indent -kr -ut

1 files changed, 1028 insertions, 847 deletions

diff --git a/main.c b/main.c
index 43f0425..e7292cc 100644
--- a/main.c
+++ b/main.c
@@ -59,29 +59,29 @@ static int foreground = 0;
 static int exit_on_no_devices = 0;
 
 struct device_info {
-    uint32_t device_id;
-    usbmux_device_t phone;
-    int use_count;
-    pthread_t bulk_reader;
-    pthread_mutex_t mutex;
-    /* mutex for mutual exclusion of calling the usbmux_send function
-     * TODO: I don't know if we need really need this? */
-    pthread_mutex_t writer_mutex;
+	uint32_t device_id;
+	usbmux_device_t phone;
+	int use_count;
+	pthread_t bulk_reader;
+	pthread_mutex_t mutex;
+	/* mutex for mutual exclusion of calling the usbmux_send function
+	 * TODO: I don't know if we need really need this? */
+	pthread_mutex_t writer_mutex;
 };
 
 struct client_data {
-    volatile int dead;
-    int socket;
-    int tag;
-    pthread_t thread;
-    pthread_t handler;
-    pthread_t reader;
-    int reader_quit;
-    int reader_dead;
-    int handler_dead;
-    int connected;
-    usbmux_client_t muxclient;
-    struct device_info *dev;
+	volatile int dead;
+	int socket;
+	int tag;
+	pthread_t thread;
+	pthread_t handler;
+	pthread_t reader;
+	int reader_quit;
+	int reader_dead;
+	int handler_dead;
+	int connected;
+	usbmux_client_t muxclient;
+	struct device_info *dev;
 };
 
 static struct device_info **devices = NULL;
@@ -97,69 +97,77 @@ static pthread_mutex_t usb_mutex = PTHREAD_MUTEX_INITIALIZER;
  */
 static void logmsg(int prio, const char *format, ...)
 {
-    va_list args;
-    va_start(args, format);
-
-    if (!foreground) {
-	// daemon. log using syslog.
-	vsyslog(prio, format, args);
-    } else {
-	// running in foreground. log to stdout/stderr.
-	char msgbuf[256];
-	FILE *lfp = stdout;
-	switch(prio) {
-	    case LOG_EMERG:
-	    case LOG_ALERT:
-	    case LOG_CRIT:
-	    case LOG_ERR:
-	    case LOG_WARNING:
-		lfp = stderr;
-		break;
-	    default:
-		lfp = stdout;
+	va_list args;
+	va_start(args, format);
+
+	if (!foreground) {
+		// daemon. log using syslog.
+		vsyslog(prio, format, args);
+	} else {
+		// running in foreground. log to stdout/stderr.
+		char msgbuf[256];
+		FILE *lfp = stdout;
+		switch (prio) {
+		case LOG_EMERG:
+		case LOG_ALERT:
+		case LOG_CRIT:
+		case LOG_ERR:
+		case LOG_WARNING:
+			lfp = stderr;
+			break;
+		default:
+			lfp = stdout;
+		}
+		strcpy(msgbuf, "usbmuxd: ");
+		vsnprintf(msgbuf + 9, 244, format, args);
+		strcat(msgbuf, "\n");
+		fputs(msgbuf, lfp);
 	}
-	strcpy(msgbuf, "usbmuxd: ");
-	vsnprintf(msgbuf+9, 244, format, args);
-	strcat(msgbuf, "\n");
-	fputs(msgbuf, lfp);
-    }
 
-    va_end(args);
+	va_end(args);
 }
 
 #ifdef DEBUG
 /**
  * for debugging purposes.
  */
-static void print_buffer(FILE *fp, const char *data, const int length)
+static void print_buffer(FILE * fp, const char *data, const int length)
 {
-    	int i;
+	int i;
 	int j;
 	unsigned char c;
 
-	for(i=0; i<length; i+=16) {
-		if (verbose >= 4) fprintf(fp, "%04x: ", i);
-		for (j=0;j<16;j++) {
-			if (i+j >= length) {
-				if (verbose >= 4) fprintf(fp, "   ");
+	for (i = 0; i < length; i += 16) {
+		if (verbose >= 4)
+			fprintf(fp, "%04x: ", i);
+		for (j = 0; j < 16; j++) {
+			if (i + j >= length) {
+				if (verbose >= 4)
+					fprintf(fp, "   ");
 				continue;
 			}
-			if (verbose >= 4) fprintf(fp, "%02hhx ", *(data+i+j));
+			if (verbose >= 4)
+				fprintf(fp, "%02hhx ", *(data + i + j));
 		}
-		if (verbose >= 4) fprintf(fp, "  | ");
-		for(j=0;j<16;j++) {
-			if (i+j >= length)
+		if (verbose >= 4)
+			fprintf(fp, "  | ");
+		for (j = 0; j < 16; j++) {
+			if (i + j >= length)
 				break;
-			c = *(data+i+j);
+			c = *(data + i + j);
 			if ((c < 32) || (c > 127)) {
-				if (verbose >= 4) fprintf(fp, ".");
+				if (verbose >= 4)
+					fprintf(fp, ".");
 				continue;
 			}
-			if (verbose >= 4) fprintf(fp, "%c", c);
+			if (verbose >= 4)
+				fprintf(fp, "%c", c);
 		}
-		if (verbose >= 4) fprintf(fp, "\n");
+		if (verbose >= 4)
+			fprintf(fp, "\n");
 	}
-	if (verbose >= 4) fprintf(fp, "\n");
+	if (verbose >= 4)
+		fprintf(fp, "\n");
 }
 #endif
 
@@ -176,35 +184,40 @@ static void print_buffer(FILE *fp, const char *data, const int length)
  */
 static int usbmuxd_get_request(int fd, void **data, size_t len)
 {
-    uint32_t pktlen;
-    int recv_len;
-
-    if (peek_buf(fd, &pktlen, sizeof(pktlen)) < (int)sizeof(pktlen)) {
-	return -errno;
-    }
-
-    if (len == 0) {
-	// allocate buffer space
-	*data = malloc(pktlen);
-    } else if (len < pktlen) {
-	// target buffer is to small to hold this packet! fix it!
-	if (verbose >= 2) logmsg(LOG_WARNING, "%s: WARNING -- packet (%d) is larger than target buffer (%d)! Truncating.", __func__, pktlen, len);
-	pktlen = len;
-    }
-
-    recv_len = recv_buf(fd, *data, pktlen);
-    if ((recv_len > 0) && ((uint32_t)recv_len < pktlen)) {
-	if (verbose >= 2) logmsg(LOG_WARNING, "%s: Uh-oh, we got less than the packet's size, %d instead of %d...", __func__, recv_len, pktlen);
-    }
+	uint32_t pktlen;
+	int recv_len;
+
+	if (peek_buf(fd, &pktlen, sizeof(pktlen)) < (int) sizeof(pktlen)) {
+		return -errno;
+	}
 
+	if (len == 0) {
+		// allocate buffer space
+		*data = malloc(pktlen);
+	} else if (len < pktlen) {
+		// target buffer is to small to hold this packet! fix it!
+		if (verbose >= 2)
+			logmsg(LOG_WARNING,
+				   "%s: WARNING -- packet (%d) is larger than target buffer (%d)! Truncating.",
+				   __func__, pktlen, len);
+		pktlen = len;
+	}
+
+	recv_len = recv_buf(fd, *data, pktlen);
+	if ((recv_len > 0) && ((uint32_t) recv_len < pktlen)) {
+		if (verbose >= 2)
+			logmsg(LOG_WARNING,
+				   "%s: Uh-oh, we got less than the packet's size, %d instead of %d...",
+				   __func__, recv_len, pktlen);
+	}
 #ifdef DEBUG
-    if (*data && (recv_len > 0) && verbose >= 4) {
-	fprintf(stderr, "%s: received:\n", __func__);
-	print_buffer(stderr, *data, recv_len);
-    }
+	if (*data && (recv_len > 0) && verbose >= 4) {
+		fprintf(stderr, "%s: received:\n", __func__);
+		print_buffer(stderr, *data, recv_len);
+	}
 #endif
 
-    return recv_len;
+	return recv_len;
 }
 
 /**
@@ -218,20 +231,22 @@ static int usbmuxd_get_request(int fd, void **data, size_t len)
  */
 static int usbmuxd_send_result(int fd, uint32_t tag, uint32_t result_code)
 {
-    struct usbmuxd_result res;
-    int ret;
-
-    res.header.length = sizeof(res);
-    res.header.reserved = 0;
-    res.header.type = USBMUXD_RESULT;
-    res.header.tag = tag;
-    res.result = result_code;
-
-    if (verbose >= 4) logmsg(LOG_NOTICE, "%s: tag=%d result=%d", __func__, res.header.tag, res.result);
-
-    ret = send_buf(fd, &res, sizeof(res));
-    fsync(fd); // let's get it sent
-    return ret;
+	struct usbmuxd_result res;
+	int ret;
+
+	res.header.length = sizeof(res);
+	res.header.reserved = 0;
+	res.header.type = USBMUXD_RESULT;
+	res.header.tag = tag;
+	res.result = result_code;
+
+	if (verbose >= 4)
+		logmsg(LOG_NOTICE, "%s: tag=%d result=%d", __func__,
+			   res.header.tag, res.result);
+
+	ret = send_buf(fd, &res, sizeof(res));
+	fsync(fd);					// let's get it sent
+	return ret;
 }
 
 /**
@@ -244,69 +259,84 @@ static int usbmuxd_send_result(int fd, uint32_t tag, uint32_t result_code)
  */
 static void *usbmuxd_client_reader_thread(void *arg)
 {
-    struct client_data *cdata;
-
-    char rbuffer[512];
-    uint32_t rbuffersize = 512;
-    uint32_t rlen;
-    int err;
-    char *cursor;
-    ssize_t len;
-    int result;
-
-    if (!arg) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s: invalid client_data supplied!", __func__);
-	cdata->reader_dead = 1;
-	return NULL;
-    }
+	struct client_data *cdata;
+
+	char rbuffer[512];
+	uint32_t rbuffersize = 512;
+	uint32_t rlen;
+	int err;
+	char *cursor;
+	ssize_t len;
+	int result;
+
+	if (!arg) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s: invalid client_data supplied!", __func__);
+		cdata->reader_dead = 1;
+		return NULL;
+	}
 
-    cdata = (struct client_data*)arg;
+	cdata = (struct client_data *) arg;
 
-    cdata->reader_dead = 0;
+	cdata->reader_dead = 0;
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%d:%d]: started", __func__, cdata->dev->device_id, cdata->dev->use_count);
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%d:%d]: started", __func__,
+			   cdata->dev->device_id, cdata->dev->use_count);
 
-    while (!quit_flag && !cdata->reader_quit) {
-	result = check_fd(cdata->socket, FD_WRITE, DEFAULT_TIMEOUT);
-	if (result <= 0) {
-	    if (result < 0) {
-		if (verbose >= 2) logmsg(LOG_ERR, "%s: select error: %s", __func__, strerror(errno));
-	    }
-	    continue;
-	}
+	while (!quit_flag && !cdata->reader_quit) {
+		result = check_fd(cdata->socket, FD_WRITE, DEFAULT_TIMEOUT);
+		if (result <= 0) {
+			if (result < 0) {
+				if (verbose >= 2)
+					logmsg(LOG_ERR, "%s: select error: %s", __func__,
+						   strerror(errno));
+			}
+			continue;
+		}
 
-	rlen = 0;
-	err = usbmux_recv_timeout(cdata->muxclient, rbuffer, rbuffersize, &rlen, DEFAULT_TIMEOUT);
-	if (err != 0) {
-	    if (verbose >= 2) logmsg(LOG_ERR, "%s[%d:%d]: encountered USB read error: %d", __func__, cdata->dev->device_id, cdata->dev->use_count, err);
-	    break;
-	}
+		rlen = 0;
+		err =
+			usbmux_recv_timeout(cdata->muxclient, rbuffer, rbuffersize,
+								&rlen, DEFAULT_TIMEOUT);
+		if (err != 0) {
+			if (verbose >= 2)
+				logmsg(LOG_ERR,
+					   "%s[%d:%d]: encountered USB read error: %d",
+					   __func__, cdata->dev->device_id,
+					   cdata->dev->use_count, err);
+			break;
+		}
 
-	cursor = rbuffer;
-	while (rlen > 0) {
-    	    len = send_buf(cdata->socket, cursor, rlen);
-	    if (len <= 0) {
-		logmsg(LOG_ERR, "%s: Error: send returned %d", __func__, len);
-		err = 1;
-		break;
-	    }
-	    // calculate remainder
-	    rlen -= len;
-	    // advance cursor
-	    cursor += len;
-	}
-	if (err != 0) {
-	    logmsg(LOG_ERR, "%s: Error when writing to client...", __func__);
-	    break;
+		cursor = rbuffer;
+		while (rlen > 0) {
+			len = send_buf(cdata->socket, cursor, rlen);
+			if (len <= 0) {
+				logmsg(LOG_ERR, "%s: Error: send returned %d", __func__,
+					   len);
+				err = 1;
+				break;
+			}
+			// calculate remainder
+			rlen -= len;
+			// advance cursor
+			cursor += len;
+		}
+		if (err != 0) {
+			logmsg(LOG_ERR, "%s: Error when writing to client...",
+				   __func__);
+			break;
+		}
+		fsync(cdata->socket);
 	}
-	fsync(cdata->socket);
-    }
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%d:%d]: terminated", __func__, cdata->dev->device_id, cdata->dev->use_count);
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%d:%d]: terminated", __func__,
+			   cdata->dev->device_id, cdata->dev->use_count);
 
-    cdata->reader_dead = 1;
+	cdata->reader_dead = 1;
 
-    return NULL;
+	return NULL;
 }
 
 /**
@@ -321,60 +351,73 @@ static void *usbmuxd_client_reader_thread(void *arg)
  */
 static int usbmuxd_handleConnectResult(struct client_data *cdata)
 {
-    int result;
-    char buffer[512];
-    char err_type[64];
-    int err_code;
-    ssize_t maxlen = 512;
-    uint32_t rlen;
-    int err;
-
-    if (!cdata) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s: Invalid client_data provided!", __func__);
-	return -EINVAL;
-    }
-
-    result = check_fd(cdata->socket, FD_WRITE, DEFAULT_TIMEOUT);
-    if (result <= 0) {
-	if (result < 0) {
-	    if (verbose >= 2) logmsg(LOG_ERR, "%s: select error: %s", __func__, strerror(errno));
-	    return result;
+	int result;
+	char buffer[512];
+	char err_type[64];
+	int err_code;
+	ssize_t maxlen = 512;
+	uint32_t rlen;
+	int err;
+
+	if (!cdata) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s: Invalid client_data provided!", __func__);
+		return -EINVAL;
 	}
-    } else {
-	result = 0;
-	err = usbmux_recv_timeout(cdata->muxclient, buffer, maxlen, &rlen, 100);
-	if (err < 0) {
-	    if (verbose >= 2) logmsg(LOG_ERR, "%s: encountered USB read error: %d", __func__, err);
-	    usbmuxd_send_result(cdata->socket, cdata->tag, -err);
-	    return err;
+
+	result = check_fd(cdata->socket, FD_WRITE, DEFAULT_TIMEOUT);
+	if (result <= 0) {
+		if (result < 0) {
+			if (verbose >= 2)
+				logmsg(LOG_ERR, "%s: select error: %s", __func__,
+					   strerror(errno));
+			return result;
+		}
 	} else {
-	    if (rlen > 0) {
-		if ((buffer[0] == 1) && (rlen > 20) && !memcmp(buffer+1, "handleConnectResult:", 20)) {
-		    // hm... we got an error message!
-		    buffer[rlen] = 0;
-		    if (verbose >= 1) logmsg(LOG_ERR, "%s: %s\n", __func__, buffer+22);
-
-		    if (sscanf(buffer+22, "%s - %d\n", err_type, &err_code) == 2) {
-			usbmuxd_send_result(cdata->socket, cdata->tag, err_code);
-			return -err_code;
-		    } else {
-			usbmuxd_send_result(cdata->socket, cdata->tag, ENODATA);
-			return -ENODATA;
-		    }
+		result = 0;
+		err =
+			usbmux_recv_timeout(cdata->muxclient, buffer, maxlen, &rlen,
+								100);
+		if (err < 0) {
+			if (verbose >= 2)
+				logmsg(LOG_ERR, "%s: encountered USB read error: %d",
+					   __func__, err);
+			usbmuxd_send_result(cdata->socket, cdata->tag, -err);
+			return err;
 		} else {
-		    // send success result
-		    usbmuxd_send_result(cdata->socket, cdata->tag, 0);
-		    // and the server greeting message
-		    send_buf(cdata->socket, buffer, rlen);
+			if (rlen > 0) {
+				if ((buffer[0] == 1) && (rlen > 20)
+					&& !memcmp(buffer + 1, "handleConnectResult:", 20)) {
+					// hm... we got an error message!
+					buffer[rlen] = 0;
+					if (verbose >= 1)
+						logmsg(LOG_ERR, "%s: %s\n", __func__, buffer + 22);
+
+					if (sscanf
+						(buffer + 22, "%s - %d\n", err_type, &err_code)
+						== 2) {
+						usbmuxd_send_result(cdata->socket, cdata->tag,
+											err_code);
+						return -err_code;
+					} else {
+						usbmuxd_send_result(cdata->socket, cdata->tag,
+											ENODATA);
+						return -ENODATA;
+					}
+				} else {
+					// send success result
+					usbmuxd_send_result(cdata->socket, cdata->tag, 0);
+					// and the server greeting message
+					send_buf(cdata->socket, buffer, rlen);
+				}
+			} else {
+				// no server greeting? this seems to be ok. send success.
+				usbmuxd_send_result(cdata->socket, cdata->tag, 0);
+			}
 		}
-	    } else {
-		// no server greeting? this seems to be ok. send success.
-		usbmuxd_send_result(cdata->socket, cdata->tag, 0);
-	    }
+		//fsync(cdata->socket);
 	}
-	//fsync(cdata->socket);
-    }
-    return result;
+	return result;
 }
 
 /**
@@ -383,96 +426,115 @@ static int usbmuxd_handleConnectResult(struct client_data *cdata)
  */
 static void *usbmuxd_client_handler_thread(void *arg)
 {
-    struct client_data *cdata;
-    int result;
-    char *cursor;
-    char buffer[65536];
-    ssize_t len;
-    ssize_t maxlen = sizeof(buffer);
-    uint32_t wlen;
-    int err;
-
-    if (!arg) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s: invalid client_data provided!", __func__);
-	return NULL;
-    }
-
-    cdata = (struct client_data*)arg;
-
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%d:%d]: started", __func__, cdata->dev->device_id,cdata->dev->use_count);
+	struct client_data *cdata;
+	int result;
+	char *cursor;
+	char buffer[65536];
+	ssize_t len;
+	ssize_t maxlen = sizeof(buffer);
+	uint32_t wlen;
+	int err;
+
+	if (!arg) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s: invalid client_data provided!", __func__);
+		return NULL;
+	}
 
-    if (usbmuxd_handleConnectResult(cdata)) {
-	if (verbose >= 3) logmsg(LOG_ERR, "handleConnectResult: Error");
-	goto leave;
-    } else {
-    	if (verbose >= 3) logmsg(LOG_NOTICE, "handleConnectResult: Success");
-    }
+	cdata = (struct client_data *) arg;
 
-    // starting mux reader thread
-    cdata->reader_quit = 0;
-    cdata->reader_dead = 0;
-    if (pthread_create(&cdata->reader, NULL, usbmuxd_client_reader_thread, cdata) != 0) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s: could not start client_reader thread", __func__);
-	cdata->reader = 0;
-    }
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%d:%d]: started", __func__,
+			   cdata->dev->device_id, cdata->dev->use_count);
 
-    while (!quit_flag && !cdata->reader_dead) {
-	result = check_fd(cdata->socket, FD_READ, DEFAULT_TIMEOUT);
-	if (result <= 0) {
-	    if (result < 0) {
-		if (verbose >= 3) logmsg(LOG_ERR, "%s: Error: checkfd: %s", __func__, strerror(errno));
-	    }
-	    continue;
+	if (usbmuxd_handleConnectResult(cdata)) {
+		if (verbose >= 3)
+			logmsg(LOG_ERR, "handleConnectResult: Error");
+		goto leave;
+	} else {
+		if (verbose >= 3)
+			logmsg(LOG_NOTICE, "handleConnectResult: Success");
 	}
 
-	// check_fd told us there's data available, so read from client
-	// and push to USB device.
-	len = recv(cdata->socket, buffer, maxlen, 0);
-	if (len == 0) {
-	     break;
-	}
-	if (len < 0) {
-	    if (verbose >= 2) logmsg(LOG_ERR, "%s[%d:%d]: Error: recv: %s", __func__, cdata->dev->device_id, cdata->dev->use_count, strerror(errno));
-	    break;
+	// starting mux reader thread
+	cdata->reader_quit = 0;
+	cdata->reader_dead = 0;
+	if (pthread_create
+		(&cdata->reader, NULL, usbmuxd_client_reader_thread, cdata) != 0) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s: could not start client_reader thread",
+				   __func__);
+		cdata->reader = 0;
 	}
 
-	cursor = buffer;
-
-	pthread_mutex_lock(&cdata->dev->writer_mutex);
-	do {
-	    wlen = 0;
-	    err = usbmux_send(cdata->muxclient, cursor, len, &wlen);
-	    if (err == -ETIMEDOUT) {
-		// some kind of timeout... just be patient and retry.
-	    } else if (err < 0) {
-		if (verbose >= 2) logmsg(LOG_ERR, "%s[%d:%d]: USB write error: %d", __func__, cdata->dev->device_id, cdata->dev->use_count, err);
-		len = -1;
-		break;
-	    }
-
-	    // calculate remainder.
-	    len -= wlen;
-	    // advance cursor appropiately.
-	    cursor += wlen;
-	} while ((len > 0) && !quit_flag);
-	pthread_mutex_unlock(&cdata->dev->writer_mutex);
-	if (len < 0) {
-	    break;
+	while (!quit_flag && !cdata->reader_dead) {
+		result = check_fd(cdata->socket, FD_READ, DEFAULT_TIMEOUT);
+		if (result <= 0) {
+			if (result < 0) {
+				if (verbose >= 3)
+					logmsg(LOG_ERR, "%s: Error: checkfd: %s", __func__,
+						   strerror(errno));
+			}
+			continue;
+		}
+		// check_fd told us there's data available, so read from client
+		// and push to USB device.
+		len = recv(cdata->socket, buffer, maxlen, 0);
+		if (len == 0) {
+			break;
+		}
+		if (len < 0) {
+			if (verbose >= 2)
+				logmsg(LOG_ERR, "%s[%d:%d]: Error: recv: %s", __func__,
+					   cdata->dev->device_id, cdata->dev->use_count,
+					   strerror(errno));
+			break;
+		}
+
+		cursor = buffer;
+
+		pthread_mutex_lock(&cdata->dev->writer_mutex);
+		do {
+			wlen = 0;
+			err = usbmux_send(cdata->muxclient, cursor, len, &wlen);
+			if (err == -ETIMEDOUT) {
+				// some kind of timeout... just be patient and retry.
+			} else if (err < 0) {
+				if (verbose >= 2)
+					logmsg(LOG_ERR, "%s[%d:%d]: USB write error: %d",
+						   __func__, cdata->dev->device_id,
+						   cdata->dev->use_count, err);
+				len = -1;
+				break;
+			}
+			// calculate remainder.
+			len -= wlen;
+			// advance cursor appropiately.
+			cursor += wlen;
+		}
+		while ((len > 0) && !quit_flag);
+		pthread_mutex_unlock(&cdata->dev->writer_mutex);
+		if (len < 0) {
+			break;
+		}
 	}
-    }
 
-leave:
-    // cleanup
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%d:%d]: terminating", __func__, cdata->dev->device_id, cdata->dev->use_count);
-    if (cdata->reader != 0) {
-	cdata->reader_quit = 1;
-	pthread_join(cdata->reader, NULL);
-    }
+  leave:
+	// cleanup
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%d:%d]: terminating", __func__,
+			   cdata->dev->device_id, cdata->dev->use_count);
+	if (cdata->reader != 0) {
+		cdata->reader_quit = 1;
+		pthread_join(cdata->reader, NULL);
+	}
 
-    cdata->handler_dead = 1;
+	cdata->handler_dead = 1;
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%d:%d]: terminated", __func__, cdata->dev->device_id, cdata->dev->use_count);
-    return NULL;
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%d:%d]: terminated", __func__,
+			   cdata->dev->device_id, cdata->dev->use_count);
+	return NULL;
 }
 
 /**
@@ -481,36 +543,41 @@ leave:
  */
 static void *usbmuxd_bulk_reader_thread(void *arg)
 {
-    struct device_info *cur_dev;
-    int err;
+	struct device_info *cur_dev;
+	int err;
 
-    if (!arg) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s: Invalid client_data provided", __func__);
-	return NULL;
-    }
+	if (!arg) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s: Invalid client_data provided", __func__);
+		return NULL;
+	}
 
-    cur_dev = (struct device_info*)arg;
+	cur_dev = (struct device_info *) arg;
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s: started", __func__);
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s: started", __func__);
 
-    while (!quit_flag && cur_dev) {
+	while (!quit_flag && cur_dev) {
 
-	pthread_mutex_lock(&cur_dev->mutex);
-	if (cur_dev->use_count <= 0) {
-	    pthread_mutex_unlock(&cur_dev->mutex);
-	    break;
-	}
-	pthread_mutex_unlock(&cur_dev->mutex);
+		pthread_mutex_lock(&cur_dev->mutex);
+		if (cur_dev->use_count <= 0) {
+			pthread_mutex_unlock(&cur_dev->mutex);
+			break;
+		}
+		pthread_mutex_unlock(&cur_dev->mutex);
 
-	if ((err = usbmux_pullbulk(cur_dev->phone)) < 0) {
-	    if (verbose >= 1) logmsg(LOG_ERR, "%s: error %d when reading from device", __func__, err);
-	    break;
+		if ((err = usbmux_pullbulk(cur_dev->phone)) < 0) {
+			if (verbose >= 1)
+				logmsg(LOG_ERR, "%s: error %d when reading from device",
+					   __func__, err);
+			break;
+		}
 	}
-    }
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s: terminated", __func__);
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s: terminated", __func__);
 
-    return NULL;
+	return NULL;
 }
 
 /**
@@ -520,286 +587,374 @@ static void *usbmuxd_bulk_reader_thread(void *arg)
  */
 static void *usbmuxd_client_init_thread(void *arg)
 {
-    struct client_data *cdata;
-    struct usbmuxd_scan_request *s_req = NULL;
-    struct usbmuxd_device_info_record dev_info_rec;
-    struct usbmuxd_connect_request *c_req = NULL;
+	struct client_data *cdata;
+	struct usbmuxd_scan_request *s_req = NULL;
+	struct usbmuxd_device_info_record dev_info_rec;
+	struct usbmuxd_connect_request *c_req = NULL;
+
+	struct usb_bus *bus;
+	struct usb_device *dev;
+
+	int recv_len;
+	int found = 0;
+	int res;
+	int i;
+
+	usbmux_device_t phone = NULL;
+	struct device_info *cur_dev = NULL;
+
+	if (!arg) {
+		if (verbose >= 1)
+			logmsg(LOG_ERR, "%s[%x]: invalid client_data provided!",
+				   __func__, THREAD);
+		return NULL;
+	}
 
-    struct usb_bus *bus;
-    struct usb_device *dev;
+	cdata = (struct client_data *) arg;
+	cdata->dead = 0;
 
-    int recv_len;
-    int found = 0;    
-    int res;
-    int i;
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%x]: started (fd=%d)", __func__, THREAD,
+			   cdata->socket);
 
-    usbmux_device_t phone = NULL;
-    struct device_info *cur_dev = NULL;
+	if ((recv_len =
+		 usbmuxd_get_request(cdata->socket, (void **) &s_req, 0)) <= 0) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s[%x]: No scan packet received, error %s",
+				   __func__, THREAD, strerror(errno));
+		goto leave;
+	}
 
-    if (!arg) {
-	if (verbose >= 1) logmsg(LOG_ERR, "%s[%x]: invalid client_data provided!", __func__, THREAD);
-	return NULL;
-    }
-
-    cdata = (struct client_data*)arg;
-    cdata->dead = 0;
-    
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: started (fd=%d)", __func__, THREAD, cdata->socket);
-
-    if ((recv_len = usbmuxd_get_request(cdata->socket, (void**)&s_req, 0)) <= 0) {
-        if (verbose >= 2) logmsg(LOG_ERR, "%s[%x]: No scan packet received, error %s", __func__, THREAD, strerror(errno));
-	goto leave;
-    }
-
-    if ((recv_len == sizeof(struct usbmuxd_scan_request)) && (s_req->header.length == sizeof(struct usbmuxd_scan_request))
-	&& (s_req->header.reserved == 0) && (s_req->header.type == USBMUXD_SCAN)) {
-    	// send success response
-	if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: Got scan packet!", __func__, THREAD);
-	usbmuxd_send_result(cdata->socket, s_req->header.tag, 0);
-    } else if ((recv_len == sizeof(struct usbmuxd_connect_request)) && (s_req->header.type == USBMUXD_CONNECT)) {
-	c_req = (struct usbmuxd_connect_request*)s_req;
-	s_req = NULL;
-	goto connect;
-    } else {
-	// send error response and exit
-        if (verbose >= 2) logmsg(LOG_ERR, "%s[%x]: Invalid scan packet received.", __func__, THREAD);
-	// TODO is this required?!
-	usbmuxd_send_result(cdata->socket, s_req->header.tag, EINVAL);
-	goto leave;
-    }
-
-    pthread_mutex_lock(&usb_mutex);
-    // gather data about all iPhones/iPods attached
-   
-    if (verbose >= 5) logmsg(LOG_DEBUG, "%s[%x]: usb init", __func__, THREAD);
-    usb_init();
-    if (verbose >= 5) logmsg(LOG_DEBUG, "%s[%x]: usb find busses", __func__, THREAD);
-    usb_find_busses();
-    if (verbose >= 5) logmsg(LOG_DEBUG, "%s[%x]: usb find devices", __func__, THREAD);
-    usb_find_devices();
-
-    if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: Looking for attached devices...", __func__, THREAD);
-
-    for (bus = usb_get_busses(); bus; bus = bus->next) {
-	for (dev = bus->devices; dev; dev = dev->next) {
-	    if (dev->descriptor.idVendor == 0x05ac
-		&& dev->descriptor.idProduct >= 0x1290
-		&& dev->descriptor.idProduct <= 0x1293)
-	    {
-		if (verbose >= 1) logmsg(LOG_NOTICE, "%s[%x]: Found device on bus %d, id %d", __func__, THREAD, bus->location, dev->devnum);
-		found++;
-
-		// construct packet
-		memset(&dev_info_rec, 0, sizeof(dev_info_rec));
-		dev_info_rec.header.length = sizeof(dev_info_rec);
-		dev_info_rec.header.type = USBMUXD_DEVICE_INFO;
-		dev_info_rec.device.device_id = dev->devnum;
-		dev_info_rec.device.product_id = dev->descriptor.idProduct;
-		if (dev->descriptor.iSerialNumber) {
-		    usb_dev_handle *udev;
-		    //pthread_mutex_lock(&usbmux_mutex);
-		    udev = usb_open(dev);
-		    if (udev) {
-			usb_get_string_simple(udev, dev->descriptor.iSerialNumber, dev_info_rec.device.serial_number, sizeof(dev_info_rec.device.serial_number)+1);
-			usb_close(udev);
-		    }
-		    //pthread_mutex_unlock(&usbmux_mutex);
-		}
+	if ((recv_len == sizeof(struct usbmuxd_scan_request))
+		&& (s_req->header.length == sizeof(struct usbmuxd_scan_request))
+		&& (s_req->header.reserved == 0)
+		&& (s_req->header.type == USBMUXD_SCAN)) {
+		// send success response
+		if (verbose >= 3)
+			logmsg(LOG_NOTICE, "%s[%x]: Got scan packet!", __func__,
+				   THREAD);
+		usbmuxd_send_result(cdata->socket, s_req->header.tag, 0);
+	} else if ((recv_len == sizeof(struct usbmuxd_connect_request))
+			   && (s_req->header.type == USBMUXD_CONNECT)) {
+		c_req = (struct usbmuxd_connect_request *) s_req;
+		s_req = NULL;
+		goto connect;
+	} else {
+		// send error response and exit
+		if (verbose >= 2)
+			logmsg(LOG_ERR, "%s[%x]: Invalid scan packet received.",
+				   __func__, THREAD);
+		// TODO is this required?!
+		usbmuxd_send_result(cdata->socket, s_req->header.tag, EINVAL);
+		goto leave;
+	}
 
+	pthread_mutex_lock(&usb_mutex);
+	// gather data about all iPhones/iPods attached
+
+	if (verbose >= 5)
+		logmsg(LOG_DEBUG, "%s[%x]: usb init", __func__, THREAD);
+	usb_init();
+	if (verbose >= 5)
+		logmsg(LOG_DEBUG, "%s[%x]: usb find busses", __func__, THREAD);
+	usb_find_busses();
+	if (verbose >= 5)
+		logmsg(LOG_DEBUG, "%s[%x]: usb find devices", __func__, THREAD);
+	usb_find_devices();
+
+	if (verbose >= 2)
+		logmsg(LOG_NOTICE, "%s[%x]: Looking for attached devices...",
+			   __func__, THREAD);
+
+	for (bus = usb_get_busses(); bus; bus = bus->next) {
+		for (dev = bus->devices; dev; dev = dev->next) {
+			if (dev->descriptor.idVendor == 0x05ac
+				&& dev->descriptor.idProduct >= 0x1290
+				&& dev->descriptor.idProduct <= 0x1293) {
+				if (verbose >= 1)
+					logmsg(LOG_NOTICE,
+						   "%s[%x]: Found device on bus %d, id %d",
+						   __func__, THREAD, bus->location, dev->devnum);
+				found++;
+
+				// construct packet
+				memset(&dev_info_rec, 0, sizeof(dev_info_rec));
+				dev_info_rec.header.length = sizeof(dev_info_rec);
+				dev_info_rec.header.type = USBMUXD_DEVICE_INFO;
+				dev_info_rec.device.device_id = dev->devnum;
+				dev_info_rec.device.product_id = dev->descriptor.idProduct;
+				if (dev->descriptor.iSerialNumber) {
+					usb_dev_handle *udev;
+					//pthread_mutex_lock(&usbmux_mutex);
+					udev = usb_open(dev);
+					if (udev) {
+						usb_get_string_simple(udev,
+											  dev->descriptor.
+											  iSerialNumber,
+											  dev_info_rec.device.
+											  serial_number,
+											  sizeof(dev_info_rec.device.
+													 serial_number) + 1);
+						usb_close(udev);
+					}
+					//pthread_mutex_unlock(&usbmux_mutex);
+				}
 #ifdef DEBUG
-		if (verbose >= 4) print_buffer(stderr, (char*)&dev_info_rec, sizeof(dev_info_rec));
+				if (verbose >= 4)
+					print_buffer(stderr, (char *) &dev_info_rec,
+								 sizeof(dev_info_rec));
 #endif
 
-		// send it
-		if (send_buf(cdata->socket, &dev_info_rec, sizeof(dev_info_rec)) <= 0) {
-		    if (verbose >= 3) logmsg(LOG_ERR, "%s[%x]: Error: Could not send device info: %s", __func__, THREAD, strerror(errno));
-		    found--;
+				// send it
+				if (send_buf
+					(cdata->socket, &dev_info_rec,
+					 sizeof(dev_info_rec)) <= 0) {
+					if (verbose >= 3)
+						logmsg(LOG_ERR,
+							   "%s[%x]: Error: Could not send device info: %s",
+							   __func__, THREAD, strerror(errno));
+					found--;
+				}
+			}
 		}
-	    }
 	}
-    }
-    pthread_mutex_unlock(&usb_mutex);
-
-    if (found <= 0) {
-	if (verbose >= 1) logmsg(LOG_NOTICE, "%s[%x]: No attached iPhone/iPod devices found.", __func__, THREAD);
-	goto leave;
-    }
-
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: Waiting for connect request", __func__, THREAD);
-
-    // now wait for connect request
-    //memset(&c_req, 0, sizeof(c_req));
-    if ((recv_len = usbmuxd_get_request(cdata->socket, (void**)&c_req, 0)) <= 0) {
-	if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: Did not receive any connect request.", __func__, THREAD);
-	goto leave;
-    }
-
-connect:
-
-    if (c_req->header.type != USBMUXD_CONNECT) {
-	if (verbose >= 2) logmsg(LOG_ERR, "%s[%x]: Unexpected packet of type %d received.", __func__, THREAD, c_req->header.type);
-	goto leave;
-    }
-
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: Setting up connection to usb device #%d on port %d", __func__, THREAD, c_req->device_id, ntohs(c_req->tcp_dport));
-
-    // find the device, and open usb connection
-    pthread_mutex_lock(&usbmux_mutex);
-    phone = NULL;
-    cur_dev = NULL;
-    // first check if we already have an open connection
-    if (devices) {
-	for (i = 0; i < device_count; i++) {
-	    if (devices[i]) {
-		if (devices[i]->device_id == c_req->device_id) {
-		    devices[i]->use_count++;
-		    cur_dev = devices[i];
-		    phone = cur_dev->phone;
-		    break;
-		}
-	    }
+	pthread_mutex_unlock(&usb_mutex);
+
+	if (found <= 0) {
+		if (verbose >= 1)
+			logmsg(LOG_NOTICE,
+				   "%s[%x]: No attached iPhone/iPod devices found.",
+				   __func__, THREAD);
+		goto leave;
 	}
-    }
-    if (!phone) {
-	// if not found, make a new connection
-	if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: creating new usb connection, device_id=%d", __func__, THREAD, c_req->device_id);
 
-	pthread_mutex_lock(&usb_mutex);
-	if (usbmux_get_specific_device(0, c_req->device_id, &phone) < 0) {
-	    pthread_mutex_unlock(&usb_mutex);
-    	    pthread_mutex_unlock(&usbmux_mutex);
-	    if (verbose >= 1) logmsg(LOG_ERR, "%s[%x]: device_id %d could not be opened", __func__, THREAD, c_req->device_id);
-	    usbmuxd_send_result(cdata->socket, c_req->header.tag, ENODEV);
-	    goto leave;
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%x]: Waiting for connect request", __func__,
+			   THREAD);
+
+	// now wait for connect request
+	//memset(&c_req, 0, sizeof(c_req));
+	if ((recv_len =
+		 usbmuxd_get_request(cdata->socket, (void **) &c_req, 0)) <= 0) {
+		if (verbose >= 3)
+			logmsg(LOG_NOTICE,
+				   "%s[%x]: Did not receive any connect request.",
+				   __func__, THREAD);
+		goto leave;
 	}
-	pthread_mutex_unlock(&usb_mutex);
-	
-	// create device object
-	if (verbose >= 3) logmsg(LOG_DEBUG, "%s[%x]: add to device list", __func__, THREAD);
-	cur_dev = (struct device_info*)malloc(sizeof(struct device_info));
-	memset(cur_dev, 0, sizeof(struct device_info));
-	cur_dev->use_count = 1;
-	cur_dev->device_id = c_req->device_id;
-	cur_dev->phone = phone;
-	cur_dev->bulk_reader = 0;
-	pthread_mutex_init(&cur_dev->mutex, NULL);
-	pthread_mutex_init(&cur_dev->writer_mutex, NULL);
-
-	if (verbose >= 3) logmsg(LOG_DEBUG, "%s[%x]: device_count = %d", __func__, THREAD, device_count);
-
-	// add to list of devices
-	devices = (struct device_info**)realloc(devices, sizeof(struct device_info*) * (device_count+1));
+
+  connect:
+
+	if (c_req->header.type != USBMUXD_CONNECT) {
+		if (verbose >= 2)
+			logmsg(LOG_ERR,
+				   "%s[%x]: Unexpected packet of type %d received.",
+				   __func__, THREAD, c_req->header.type);
+		goto leave;
+	}
+
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE,
+			   "%s[%x]: Setting up connection to usb device #%d on port %d",
+			   __func__, THREAD, c_req->device_id,
+			   ntohs(c_req->tcp_dport));
+
+	// find the device, and open usb connection
+	pthread_mutex_lock(&usbmux_mutex);
+	phone = NULL;
+	cur_dev = NULL;
+	// first check if we already have an open connection
 	if (devices) {
-	    devices[device_count] = cur_dev;
-	    device_count++;
+		for (i = 0; i < device_count; i++) {
+			if (devices[i]) {
+				if (devices[i]->device_id == c_req->device_id) {
+					devices[i]->use_count++;
+					cur_dev = devices[i];
+					phone = cur_dev->phone;
+					break;
+				}
+			}
+		}
+	}
+	if (!phone) {
+		// if not found, make a new connection
+		if (verbose >= 2)
+			logmsg(LOG_NOTICE,
+				   "%s[%x]: creating new usb connection, device_id=%d",
+				   __func__, THREAD, c_req->device_id);
+
+		pthread_mutex_lock(&usb_mutex);
+		if (usbmux_get_specific_device(0, c_req->device_id, &phone) < 0) {
+			pthread_mutex_unlock(&usb_mutex);
+			pthread_mutex_unlock(&usbmux_mutex);
+			if (verbose >= 1)
+				logmsg(LOG_ERR, "%s[%x]: device_id %d could not be opened",
+					   __func__, THREAD, c_req->device_id);
+			usbmuxd_send_result(cdata->socket, c_req->header.tag, ENODEV);
+			goto leave;
+		}
+		pthread_mutex_unlock(&usb_mutex);
+
+		// create device object
+		if (verbose >= 3)
+			logmsg(LOG_DEBUG, "%s[%x]: add to device list", __func__,
+				   THREAD);
+		cur_dev =
+			(struct device_info *) malloc(sizeof(struct device_info));
+		memset(cur_dev, 0, sizeof(struct device_info));
+		cur_dev->use_count = 1;
+		cur_dev->device_id = c_req->device_id;
+		cur_dev->phone = phone;
+		cur_dev->bulk_reader = 0;
+		pthread_mutex_init(&cur_dev->mutex, NULL);
+		pthread_mutex_init(&cur_dev->writer_mutex, NULL);
+
+		if (verbose >= 3)
+			logmsg(LOG_DEBUG, "%s[%x]: device_count = %d", __func__,
+				   THREAD, device_count);
+
+		// add to list of devices
+		devices =
+			(struct device_info **) realloc(devices,
+											sizeof(struct device_info *) *
+											(device_count + 1));
+		if (devices) {
+			devices[device_count] = cur_dev;
+			device_count++;
+		}
+	} else {
+		if (verbose >= 2)
+			logmsg(LOG_NOTICE,
+				   "%s[%x]: reusing usb connection, device_id=%d",
+				   __func__, THREAD, c_req->device_id);
 	}
-    } else {
-	if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: reusing usb connection, device_id=%d", __func__, THREAD, c_req->device_id);
-    }
-    pthread_mutex_unlock(&usbmux_mutex);
+	pthread_mutex_unlock(&usbmux_mutex);
 
-    // setup connection to iPhone/iPod
+	// setup connection to iPhone/iPod
 //    pthread_mutex_lock(&usbmux_mutex);
-    res = usbmux_new_client(cur_dev->phone, 0, ntohs(c_req->tcp_dport), &(cdata->muxclient));
+	res =
+		usbmux_new_client(cur_dev->phone, 0, ntohs(c_req->tcp_dport),
+						  &(cdata->muxclient));
 //    pthread_mutex_unlock(&usbmux_mutex);
 
-    if (res != 0) {
-	usbmuxd_send_result(cdata->socket, c_req->header.tag, res);
-	if (verbose >= 1) logmsg(LOG_ERR, "%s[%x]: mux_new_client returned %d, aborting.", __func__, THREAD, res);
-	goto leave;
-    }
-
-    // start bulk reader thread (once per device)
-    pthread_mutex_lock(&cur_dev->mutex);
-    if (cur_dev->bulk_reader == 0) {
-	pthread_create(&cur_dev->bulk_reader, NULL, usbmuxd_bulk_reader_thread, cur_dev);
-    }
-    pthread_mutex_unlock(&cur_dev->mutex);
-
-    // start connection handler thread
-    cdata->handler_dead = 0;
-    cdata->tag = c_req->header.tag;
-    cdata->dev = cur_dev;
-    if (pthread_create(&cdata->handler, NULL, usbmuxd_client_handler_thread, cdata) != 0) {
-	if (verbose >= 1) logmsg(LOG_ERR, "%s[%x]: could not create usbmuxd_client_handler_thread!", __func__, THREAD);
-	cdata->handler = 0;
-	goto leave;
-    }
-
-    // wait for handler thread to finish its work
-    if (cdata->handler != 0) {
-    	pthread_join(cdata->handler, NULL);
-    }
-    
-    if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: closing connection", __func__, THREAD);
-
-    // time to clean up
-    if (cdata && cdata->muxclient) { // should be non-NULL
-	usbmux_free_client(cdata->muxclient);
-    }
-
-leave:
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: terminating", __func__, THREAD);
-
-    if (s_req) {
-	free(s_req);
-    }
-    if (c_req) {
-	free(c_req);
-    }
-
-    // this has to be freed only if it's not in use anymore as it closes
-    // the USB connection
-    pthread_mutex_lock(&usbmux_mutex);
-    if (cur_dev) {
+	if (res != 0) {
+		usbmuxd_send_result(cdata->socket, c_req->header.tag, res);
+		if (verbose >= 1)
+			logmsg(LOG_ERR,
+				   "%s[%x]: mux_new_client returned %d, aborting.",
+				   __func__, THREAD, res);
+		goto leave;
+	}
+	// start bulk reader thread (once per device)
 	pthread_mutex_lock(&cur_dev->mutex);
-	if (cur_dev->use_count > 1) {
-	    if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: decreasing device use count (from %d to %d)", __func__, THREAD, cur_dev->use_count, cur_dev->use_count-1);
-	    cur_dev->use_count--;
-	    pthread_mutex_unlock(&cur_dev->mutex);
-	} else {
-	    if (verbose >= 2) logmsg(LOG_NOTICE, "%s[%x]: last client disconnected, cleaning up", __func__, THREAD);
-	    cur_dev->use_count = 0;
-	    pthread_mutex_unlock(&cur_dev->mutex);
-	    if (cur_dev->bulk_reader != 0) {
-		if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: joining bulk_reader...", __func__, THREAD);
-		pthread_join(cur_dev->bulk_reader, NULL);
-	    }
-	    pthread_mutex_lock(&usb_mutex);
-	    usbmux_free_device(cur_dev->phone);
-	    pthread_mutex_unlock(&usb_mutex);
-	    pthread_mutex_destroy(&cur_dev->writer_mutex);
-	    pthread_mutex_destroy(&cur_dev->mutex);
-	    free(cur_dev);
-	    cur_dev = NULL;
-	    if (device_count > 1) {
-		struct device_info **newlist;
-		int j;
-
-		newlist = (struct device_info**)malloc(sizeof(struct device_info*) * device_count-1);
-		for (i = 0; i < device_count; i++) {
-		    if (devices[i] != NULL) {
-			newlist[j++] = devices[i];
-		    }
+	if (cur_dev->bulk_reader == 0) {
+		pthread_create(&cur_dev->bulk_reader, NULL,
+					   usbmuxd_bulk_reader_thread, cur_dev);
+	}
+	pthread_mutex_unlock(&cur_dev->mutex);
+
+	// start connection handler thread
+	cdata->handler_dead = 0;
+	cdata->tag = c_req->header.tag;
+	cdata->dev = cur_dev;
+	if (pthread_create
+		(&cdata->handler, NULL, usbmuxd_client_handler_thread, cdata) != 0)
+	{
+		if (verbose >= 1)
+			logmsg(LOG_ERR,
+				   "%s[%x]: could not create usbmuxd_client_handler_thread!",
+				   __func__, THREAD);
+		cdata->handler = 0;
+		goto leave;
+	}
+	// wait for handler thread to finish its work
+	if (cdata->handler != 0) {
+		pthread_join(cdata->handler, NULL);
+	}
+
+	if (verbose >= 2)
+		logmsg(LOG_NOTICE, "%s[%x]: closing connection", __func__, THREAD);
+
+	// time to clean up
+	if (cdata && cdata->muxclient) {	// should be non-NULL
+		usbmux_free_client(cdata->muxclient);
+	}
+
+  leave:
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%x]: terminating", __func__, THREAD);
+
+	if (s_req) {
+		free(s_req);
+	}
+	if (c_req) {
+		free(c_req);
+	}
+	// this has to be freed only if it's not in use anymore as it closes
+	// the USB connection
+	pthread_mutex_lock(&usbmux_mutex);
+	if (cur_dev) {
+		pthread_mutex_lock(&cur_dev->mutex);
+		if (cur_dev->use_count > 1) {
+			if (verbose >= 2)
+				logmsg(LOG_NOTICE,
+					   "%s[%x]: decreasing device use count (from %d to %d)",
+					   __func__, THREAD, cur_dev->use_count,
+					   cur_dev->use_count - 1);
+			cur_dev->use_count--;
+			pthread_mutex_unlock(&cur_dev->mutex);
+		} else {
+			if (verbose >= 2)
+				logmsg(LOG_NOTICE,
+					   "%s[%x]: last client disconnected, cleaning up",
+					   __func__, THREAD);
+			cur_dev->use_count = 0;
+			pthread_mutex_unlock(&cur_dev->mutex);
+			if (cur_dev->bulk_reader != 0) {
+				if (verbose >= 3)
+					logmsg(LOG_NOTICE, "%s[%x]: joining bulk_reader...",
+						   __func__, THREAD);
+				pthread_join(cur_dev->bulk_reader, NULL);
+			}
+			pthread_mutex_lock(&usb_mutex);
+			usbmux_free_device(cur_dev->phone);
+			pthread_mutex_unlock(&usb_mutex);
+			pthread_mutex_destroy(&cur_dev->writer_mutex);
+			pthread_mutex_destroy(&cur_dev->mutex);
+			free(cur_dev);
+			cur_dev = NULL;
+			if (device_count > 1) {
+				struct device_info **newlist;
+				int j;
+
+				newlist =
+					(struct device_info **)
+					malloc(sizeof(struct device_info *)
+						   * device_count - 1);
+				for (i = 0; i < device_count; i++) {
+					if (devices[i] != NULL) {
+						newlist[j++] = devices[i];
+					}
+				}
+				free(devices);
+				devices = newlist;
+				device_count--;
+			} else {
+				free(devices);
+				devices = NULL;
+				device_count = 0;
+			}
 		}
-		free(devices);
-		devices = newlist;
-		device_count--;
-	    } else {
-		free(devices);
-		devices = NULL;
-		device_count = 0;
-	    }
 	}
-    }
-    pthread_mutex_unlock(&usbmux_mutex);
+	pthread_mutex_unlock(&usbmux_mutex);
+
+	cdata->dead = 1;
+	close(cdata->socket);
 
-    cdata->dead = 1;
-    close(cdata->socket);
-    
-    if (verbose >= 3) logmsg(LOG_NOTICE, "%s[%x]: terminated", __func__, THREAD);
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "%s[%x]: terminated", __func__, THREAD);
 
-    return NULL;
+	return NULL;
 }
 
 /**
@@ -807,44 +962,42 @@ leave:
  */
 static int daemonize()
 {
-    pid_t pid;
-    pid_t sid;
+	pid_t pid;
+	pid_t sid;
 
-    // already a daemon
-    if (getppid() == 1) return 0;
+	// already a daemon
+	if (getppid() == 1)
+		return 0;
 
-    pid = fork();
-    if (pid < 0) {
-	exit(EXIT_FAILURE);
-    }
-
-    if (pid > 0) {
-	// exit parent process
-	exit(EXIT_SUCCESS);
-    }
-
-    // At this point we are executing as the child process
-
-    // Change the file mode mask
-    umask(0);
+	pid = fork();
+	if (pid < 0) {
+		exit(EXIT_FAILURE);
+	}
 
-    // Create a new SID for the child process
-    sid = setsid();
-    if (sid < 0) {
-	return -1;
-    }
+	if (pid > 0) {
+		// exit parent process
+		exit(EXIT_SUCCESS);
+	}
+	// At this point we are executing as the child process
 
-    // Change the current working directory.
-    if ((chdir("/")) < 0) {
-	return -2;
-    }
+	// Change the file mode mask
+	umask(0);
 
-    // Redirect standard files to /dev/null
-    freopen("/dev/null", "r", stdin);
-    freopen("/dev/null", "w", stdout);
-    freopen("/dev/null", "w", stderr);
+	// Create a new SID for the child process
+	sid = setsid();
+	if (sid < 0) {
+		return -1;
+	}
+	// Change the current working directory.
+	if ((chdir("/")) < 0) {
+		return -2;
+	}
+	// Redirect standard files to /dev/null
+	freopen("/dev/null", "r", stdin);
+	freopen("/dev/null", "w", stdout);
+	freopen("/dev/null", "w", stderr);
 
-    return 0;
+	return 0;
 }
 
 /**
@@ -852,56 +1005,57 @@ static int daemonize()
  */
 static void clean_exit(int sig)
 {
-    if (sig == SIGINT) {
-	if (verbose >= 1) fprintf(stderr, "CTRL+C pressed\n");
-    }
-    quit_flag = 1;
+	if (sig == SIGINT) {
+		if (verbose >= 1)
+			fprintf(stderr, "CTRL+C pressed\n");
+	}
+	quit_flag = 1;
 }
 
 static void usage()
 {
-    printf("usage: usbmuxd [options]\n");
-    printf("\t-h|--help        print this message.\n");
-    printf("\t-v|--verbose     be verbose\n");
-    printf("\t-f|--foreground  do not daemonize\n");
-    printf("\n");
+	printf("usage: usbmuxd [options]\n");
+	printf("\t-h|--help        print this message.\n");
+	printf("\t-v|--verbose     be verbose\n");
+	printf("\t-f|--foreground  do not daemonize\n");
+	printf("\n");
 }
 
 static void parse_opts(int argc, char **argv)
 {
-    static struct option longopts[] = {
-	{ "help",       0, NULL, 'h' },
-	{ "foreground", 0, NULL, 'f' },
-	{ "verbose",    0, NULL, 'v' },
-	{ "exit-on-no-devices", 0, NULL, 'e' },
-	{ NULL,         0, NULL, 0}
-    };
-    int c;
-
-    while (1) {
-	c = getopt_long(argc, argv, "hfve", longopts, (int *) 0);
-	if (c == -1) {
-	    break;
-	}
+	static struct option longopts[] = {
+		{"help", 0, NULL, 'h'},
+		{"foreground", 0, NULL, 'f'},
+		{"verbose", 0, NULL, 'v'},
+		{"exit-on-no-devices", 0, NULL, 'e'},
+		{NULL, 0, NULL, 0}
+	};
+	int c;
+
+	while (1) {
+		c = getopt_long(argc, argv, "hfve", longopts, (int *) 0);
+		if (c == -1) {
+			break;
+		}
 
-	switch (c) {
-	    case 'h':
-		usage();
-		exit(0);
-	    case 'f':
-		foreground = 1;
-		break;
-	    case 'v':
-		sock_stuff_set_verbose(++verbose);
-		break;
-	    case 'e':
-		exit_on_no_devices = 1;
-		break;
-	    default:
-		usage();
-		exit(2);
+		switch (c) {
+		case 'h':
+			usage();
+			exit(0);
+		case 'f':
+			foreground = 1;
+			break;
+		case 'v':
+			sock_stuff_set_verbose(++verbose);
+			break;
+		case 'e':
+			exit_on_no_devices = 1;
+			break;
+		default:
+			usage();
+			exit(2);
+		}
 	}
-    }
 }
 
 /**
@@ -911,26 +1065,25 @@ static void parse_opts(int argc, char **argv)
  */
 static int devices_attached()
 {
-    struct usb_bus *bus;
-    struct usb_device *dev;
-    int res = 0;
-
-    usb_init();
-    usb_find_busses();
-    usb_find_devices();
-
-    for (bus = usb_get_busses(); bus; bus = bus->next) {
-	for (dev = bus->devices; dev; dev = dev->next) {
-	    if (dev->descriptor.idVendor == 0x05ac
-		&& dev->descriptor.idProduct >= 0x1290
-		&& dev->descriptor.idProduct <= 0x1293)
-	    {
-		res++;
-	    }
+	struct usb_bus *bus;
+	struct usb_device *dev;
+	int res = 0;
+
+	usb_init();
+	usb_find_busses();
+	usb_find_devices();
+
+	for (bus = usb_get_busses(); bus; bus = bus->next) {
+		for (dev = bus->devices; dev; dev = dev->next) {
+			if (dev->descriptor.idVendor == 0x05ac
+				&& dev->descriptor.idProduct >= 0x1290
+				&& dev->descriptor.idProduct <= 0x1293) {
+				res++;
+			}
+		}
 	}
-    }
 
-    return res;
+	return res;
 }
 
 /**
@@ -938,233 +1091,261 @@ static int devices_attached()
  */
 int main(int argc, char **argv)
 {
-    struct sockaddr_un c_addr;
-    socklen_t len = sizeof(struct sockaddr_un);
-    struct client_data *cdata = NULL;
-    struct client_data **children = NULL;
-    int children_capacity = DEFAULT_CHILDREN_CAPACITY;
-    int i;
-    int result = 0;
-    int cnt = 0;
-    FILE *lfd = NULL;
-    struct flock lock;
-
-    parse_opts(argc, argv);
-
-    argc -= optind;
-    argv += optind;
-
-    if (!foreground) {
-	openlog("usbmuxd", LOG_PID, 0);
-    }
-
-    if (verbose >= 2) logmsg(LOG_NOTICE, "starting");
-
-    // signal(SIGHUP, reload_conf); // none yet
-    signal(SIGINT, clean_exit);
-    signal(SIGQUIT, clean_exit);
-    signal(SIGTERM, clean_exit);
-    signal(SIGPIPE, SIG_IGN); 
-
-    // check for other running instance
-    lfd = fopen(LOCKFILE, "r");
-    if (lfd) {
-	lock.l_type = 0;
-	lock.l_whence = SEEK_SET;
-	lock.l_start = 0;
-	lock.l_len = 0;
-	fcntl(fileno(lfd), F_GETLK, &lock);
-	fclose(lfd);
-	if (lock.l_type != F_UNLCK) {
-	    logmsg(LOG_NOTICE, "another instance is already running. exiting.");
-	    return -1;
+	struct sockaddr_un c_addr;
+	socklen_t len = sizeof(struct sockaddr_un);
+	struct client_data *cdata = NULL;
+	struct client_data **children = NULL;
+	int children_capacity = DEFAULT_CHILDREN_CAPACITY;
+	int i;
+	int result = 0;
+	int cnt = 0;
+	FILE *lfd = NULL;
+	struct flock lock;
+
+	parse_opts(argc, argv);
+
+	argc -= optind;
+	argv += optind;
+
+	if (!foreground) {
+		openlog("usbmuxd", LOG_PID, 0);
 	}
-    }
 
-    if (exit_on_no_devices) {
-	if (devices_attached() <= 0) {
-	    logmsg(LOG_NOTICE, "no devices attached. exiting.");
-	    return 0;
+	if (verbose >= 2)
+		logmsg(LOG_NOTICE, "starting");
+
+	// signal(SIGHUP, reload_conf); // none yet
+	signal(SIGINT, clean_exit);
+	signal(SIGQUIT, clean_exit);
+	signal(SIGTERM, clean_exit);
+	signal(SIGPIPE, SIG_IGN);
+
+	// check for other running instance
+	lfd = fopen(LOCKFILE, "r");
+	if (lfd) {
+		lock.l_type = 0;
+		lock.l_whence = SEEK_SET;
+		lock.l_start = 0;
+		lock.l_len = 0;
+		fcntl(fileno(lfd), F_GETLK, &lock);
+		fclose(lfd);
+		if (lock.l_type != F_UNLCK) {
+			logmsg(LOG_NOTICE,
+				   "another instance is already running. exiting.");
+			return -1;
+		}
 	}
-    }
 
-    fsock = create_unix_socket(USBMUXD_SOCKET_FILE);
-    if (fsock < 0) {
-	logmsg(LOG_ERR, "Could not create socket, exiting");
-	if (!foreground) {
-	    closelog();
+	if (exit_on_no_devices) {
+		if (devices_attached() <= 0) {
+			logmsg(LOG_NOTICE, "no devices attached. exiting.");
+			return 0;
+		}
 	}
-	return -1;
-    }
 
-    chmod(USBMUXD_SOCKET_FILE, 0666);
+	fsock = create_unix_socket(USBMUXD_SOCKET_FILE);
+	if (fsock < 0) {
+		logmsg(LOG_ERR, "Could not create socket, exiting");
+		if (!foreground) {
+			closelog();
+		}
+		return -1;
+	}
 
-    if (verbose >= 3) usbmux_set_debug(1);
+	chmod(USBMUXD_SOCKET_FILE, 0666);
 
-    if (!foreground) {
-	if (daemonize() < 0) {
-	    fprintf(stderr, "usbmuxd: FATAL: Could not daemonize!\n");
-	    syslog(LOG_ERR, "FATAL: Could not daemonize!");
-	    closelog();
-	    exit(EXIT_FAILURE);
-	}
-    }
-
-    // now open the lockfile and place the lock
-    lfd = fopen(LOCKFILE, "w");
-    if (lfd) {
-	lock.l_type = F_WRLCK;
-	lock.l_whence = SEEK_SET;
-	lock.l_start = 0;
-	lock.l_len = 0;
-	if (fcntl(fileno(lfd), F_SETLK, &lock) == -1) {
-	    logmsg(LOG_ERR, "ERROR: lockfile locking failed!");
-	}
-    }
+	if (verbose >= 3)
+		usbmux_set_debug(1);
 
-    // drop elevated privileges
-    if (getuid() == 0 || geteuid() == 0) {
-	struct passwd *pw = getpwnam("nobody");
-	if (pw) {
-	    setuid(pw->pw_uid);
-	} else {
-	    logmsg(LOG_ERR, "ERROR: Dropping privileges failed, check if user 'nobody' exists! Will now terminate.");
-	    exit(EXIT_FAILURE);
+	if (!foreground) {
+		if (daemonize() < 0) {
+			fprintf(stderr, "usbmuxd: FATAL: Could not daemonize!\n");
+			syslog(LOG_ERR, "FATAL: Could not daemonize!");
+			closelog();
+			exit(EXIT_FAILURE);
+		}
 	}
+	// now open the lockfile and place the lock
+	lfd = fopen(LOCKFILE, "w");
+	if (lfd) {
+		lock.l_type = F_WRLCK;
+		lock.l_whence = SEEK_SET;
+		lock.l_start = 0;
+		lock.l_len = 0;
+		if (fcntl(fileno(lfd), F_SETLK, &lock) == -1) {
+			logmsg(LOG_ERR, "ERROR: lockfile locking failed!");
+		}
+	}
+	// drop elevated privileges
+	if (getuid() == 0 || geteuid() == 0) {
+		struct passwd *pw = getpwnam("nobody");
+		if (pw) {
+			setuid(pw->pw_uid);
+		} else {
+			logmsg(LOG_ERR,
+				   "ERROR: Dropping privileges failed, check if user 'nobody' exists! Will now terminate.");
+			exit(EXIT_FAILURE);
+		}
 
-	// security check
-	if (setuid(0) != -1) {
-	    logmsg(LOG_ERR, "ERROR: Failed to drop privileges properly!");
-	    exit(EXIT_FAILURE);
+		// security check
+		if (setuid(0) != -1) {
+			logmsg(LOG_ERR, "ERROR: Failed to drop privileges properly!");
+			exit(EXIT_FAILURE);
+		}
+		if (verbose >= 2)
+			logmsg(LOG_NOTICE, "Successfully dropped privileges");
 	}
-	if (verbose >= 2) logmsg(LOG_NOTICE, "Successfully dropped privileges");
-    }
-
-    // Reserve space for 10 clients which should be enough. If not, the
-    // buffer gets enlarged later.
-    children = (struct client_data**)malloc(sizeof(struct client_data*) * children_capacity);
-    if (!children) {
-	logmsg(LOG_ERR, "Out of memory when allocating memory for child threads. Terminating.");
-	if (!foreground) {
-	    closelog();
+	// Reserve space for 10 clients which should be enough. If not, the
+	// buffer gets enlarged later.
+	children =
+		(struct client_data **) malloc(sizeof(struct client_data *) *
+									   children_capacity);
+	if (!children) {
+		logmsg(LOG_ERR,
+			   "Out of memory when allocating memory for child threads. Terminating.");
+		if (!foreground) {
+			closelog();
+		}
+		exit(EXIT_FAILURE);
 	}
-	exit(EXIT_FAILURE);
-    }
-    memset(children, 0, sizeof(struct client_data*) * children_capacity);
-
-    if (verbose >= 2) logmsg(LOG_NOTICE, "waiting for connection");
-    while (!quit_flag) {
-	// Check the file descriptor before accepting a connection.
-	// If no connection attempt is made, just repeat...
-	result = check_fd(fsock, FD_READ, 1000);
-	if (result <= 0) {
-	    if (result == 0) {
-		// cleanup
-		for (i = 0; i < children_capacity; i++) {
-		    if (children[i]) {
-		        if (children[i]->dead != 0) {
-			    pthread_join(children[i]->thread, NULL);
-			    if (verbose >= 3) logmsg(LOG_NOTICE, "reclaimed client thread (fd=%d)", children[i]->socket);
-			    free(children[i]);
-			    children[i] = NULL;
-			    cnt++;
+	memset(children, 0, sizeof(struct client_data *) * children_capacity);
+
+	if (verbose >= 2)
+		logmsg(LOG_NOTICE, "waiting for connection");
+	while (!quit_flag) {
+		// Check the file descriptor before accepting a connection.
+		// If no connection attempt is made, just repeat...
+		result = check_fd(fsock, FD_READ, 1000);
+		if (result <= 0) {
+			if (result == 0) {
+				// cleanup
+				for (i = 0; i < children_capacity; i++) {
+					if (children[i]) {
+						if (children[i]->dead != 0) {
+							pthread_join(children[i]->thread, NULL);
+							if (verbose >= 3)
+								logmsg(LOG_NOTICE,
+									   "reclaimed client thread (fd=%d)",
+									   children[i]->socket);
+							free(children[i]);
+							children[i] = NULL;
+							cnt++;
+						} else {
+							cnt = 0;
+						}
+					} else {
+						cnt++;
+					}
+				}
+
+				if ((children_capacity > DEFAULT_CHILDREN_CAPACITY)
+					&& ((children_capacity - cnt) <=
+						DEFAULT_CHILDREN_CAPACITY)) {
+					children_capacity = DEFAULT_CHILDREN_CAPACITY;
+					children =
+						realloc(children,
+								sizeof(struct client_data *) *
+								children_capacity);
+				}
+				continue;
 			} else {
-    			    cnt = 0;
+				if (verbose >= 3)
+					logmsg(LOG_ERR, "usbmuxd: select error: %s",
+						   strerror(errno));
+				continue;
 			}
-		    } else {
-			cnt++;
-		    }
 		}
 
-		if ((children_capacity > DEFAULT_CHILDREN_CAPACITY)
-			&& ((children_capacity - cnt) <= DEFAULT_CHILDREN_CAPACITY)) {
-		    children_capacity = DEFAULT_CHILDREN_CAPACITY;
-		    children = realloc(children, sizeof(struct client_data*) * children_capacity);
+		cdata = (struct client_data *) malloc(sizeof(struct client_data));
+		memset(cdata, 0, sizeof(struct client_data));
+		if (!cdata) {
+			quit_flag = 1;
+			logmsg(LOG_ERR, "Error: Out of memory! Terminating.");
+			break;
 		}
-		continue;
-	    } else {
-		if (verbose >= 3) logmsg(LOG_ERR, "usbmuxd: select error: %s", strerror(errno));
-		continue;
-	    }
-	}
 
-	cdata = (struct client_data*)malloc(sizeof(struct client_data));
-	memset(cdata, 0, sizeof(struct client_data));
-	if (!cdata) {
-	    quit_flag = 1;
-	    logmsg(LOG_ERR, "Error: Out of memory! Terminating.");
-	    break;
-	}
-
-	cdata->socket = accept(fsock, (struct sockaddr*)&c_addr, &len);
-       	if (cdata->socket < 0) {
-	    free(cdata);
-	    if (errno == EINTR) {
-		continue;
-	    } else {
-		if (verbose >= 3) logmsg(LOG_ERR, "Error in accept: %s", strerror(errno));
-		continue;
-	    }
-	}
+		cdata->socket = accept(fsock, (struct sockaddr *) &c_addr, &len);
+		if (cdata->socket < 0) {
+			free(cdata);
+			if (errno == EINTR) {
+				continue;
+			} else {
+				if (verbose >= 3)
+					logmsg(LOG_ERR, "Error in accept: %s",
+						   strerror(errno));
+				continue;
+			}
+		}
 
-	if (verbose >= 1) logmsg(LOG_NOTICE, "new client connected (fd=%d)", cdata->socket);
-
-	// create client thread:
-	if (pthread_create(&cdata->thread, NULL, usbmuxd_client_init_thread, cdata) == 0) {
-	    for (i = 0; i < children_capacity; i++) {
-		if (children[i] == NULL) break;
-	    }
-	    if (i == children_capacity) {
-		// enlarge buffer
-		children_capacity++;
-		children = realloc(children, sizeof(struct client_data*) * children_capacity);
-		if (!children) {
-		    logmsg(LOG_ERR, "Out of memory when enlarging child thread buffer");
+		if (verbose >= 1)
+			logmsg(LOG_NOTICE, "new client connected (fd=%d)",
+				   cdata->socket);
+
+		// create client thread:
+		if (pthread_create
+			(&cdata->thread, NULL, usbmuxd_client_init_thread, cdata) == 0)
+		{
+			for (i = 0; i < children_capacity; i++) {
+				if (children[i] == NULL)
+					break;
+			}
+			if (i == children_capacity) {
+				// enlarge buffer
+				children_capacity++;
+				children =
+					realloc(children,
+							sizeof(struct client_data *) *
+							children_capacity);
+				if (!children) {
+					logmsg(LOG_ERR,
+						   "Out of memory when enlarging child thread buffer");
+				}
+			}
+			children[i] = cdata;
+		} else {
+			logmsg(LOG_ERR, "Failed to create client_init_thread.");
+			close(cdata->socket);
+			free(cdata);
+			cdata = NULL;
 		}
-	    }
-	    children[i] = cdata;
-	} else {
-	    logmsg(LOG_ERR, "Failed to create client_init_thread.");
-	    close(cdata->socket);
-	    free(cdata);
-	    cdata = NULL;
 	}
-    }
 
-    if (verbose >= 3) logmsg(LOG_NOTICE, "terminating");
+	if (verbose >= 3)
+		logmsg(LOG_NOTICE, "terminating");
 
-    // preparing for shutdown: wait for child threads to terminate (if any)
-    if (verbose >= 2) logmsg(LOG_NOTICE, "waiting for child threads to terminate...");
-    for (i = 0; i < children_capacity; i++) {
-        if (children[i] != NULL) {
-	    pthread_join(children[i]->thread, NULL);
-	    free(children[i]);
-        }
-    }
+	// preparing for shutdown: wait for child threads to terminate (if any)
+	if (verbose >= 2)
+		logmsg(LOG_NOTICE, "waiting for child threads to terminate...");
+	for (i = 0; i < children_capacity; i++) {
+		if (children[i] != NULL) {
+			pthread_join(children[i]->thread, NULL);
+			free(children[i]);
+		}
+	}
 
-    // delete the children set.
-    free(children);
-    children = NULL;
+	// delete the children set.
+	free(children);
+	children = NULL;
 
 
-    if (fsock >= 0) {
-    	close(fsock);
-    }
+	if (fsock >= 0) {
+		close(fsock);
+	}
 
-    unlink(USBMUXD_SOCKET_FILE);
+	unlink(USBMUXD_SOCKET_FILE);
 
-    // unlock lock file and close it.
-    if (lfd) {
-	lock.l_type = F_UNLCK;
-	fcntl(fileno(lfd), F_SETLK, &lock);
-	fclose(lfd);
-    }
+	// unlock lock file and close it.
+	if (lfd) {
+		lock.l_type = F_UNLCK;
+		fcntl(fileno(lfd), F_SETLK, &lock);
+		fclose(lfd);
+	}
 
-    if (verbose >= 1) logmsg(LOG_NOTICE, "usbmuxd: terminated");
-    if (!foreground) {
-	closelog();
-    }
+	if (verbose >= 1)
+		logmsg(LOG_NOTICE, "usbmuxd: terminated");
+	if (!foreground) {
+		closelog();
+	}
 
-    return 0;
+	return 0;
 }
-