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-rw-r--r--src/libirecovery.c40
1 files changed, 37 insertions, 3 deletions
diff --git a/src/libirecovery.c b/src/libirecovery.c
index 84f0b32..39f6f88 100644
--- a/src/libirecovery.c
+++ b/src/libirecovery.c
@@ -2127,11 +2127,22 @@ static int _irecv_usb_hotplug_cb(libusb_context *ctx, libusb_device *device, lib
#endif /* !HAVE_IOKIT */
#endif /* !WIN32 */
-static void *_irecv_event_handler(void* unused)
+struct _irecv_event_handler_info {
+ cond_t startup_cond;
+ mutex_t startup_mutex;
+};
+
+static void *_irecv_event_handler(void* data)
{
+ struct _irecv_event_handler_info* info = (struct _irecv_event_handler_info*)data;
#ifdef WIN32
const GUID *guids[] = { &GUID_DEVINTERFACE_DFU, &GUID_DEVINTERFACE_IBOOT, NULL };
int running = 1;
+
+ mutex_lock(&(info->startup_mutex));
+ cond_signal(&(info->startup_cond));
+ mutex_unlock(&(info->startup_mutex));
+
do {
SP_DEVICE_INTERFACE_DATA currentInterface;
HDEVINFO usbDevices;
@@ -2246,6 +2257,10 @@ static void *_irecv_event_handler(void* unused)
i++;
}
+ mutex_lock(&(info->startup_mutex));
+ cond_signal(&(info->startup_cond));
+ mutex_unlock(&(info->startup_mutex));
+
CFRunLoopRun();
#else /* !HAVE_IOKIT */
@@ -2253,6 +2268,11 @@ static void *_irecv_event_handler(void* unused)
static libusb_hotplug_callback_handle usb_hotplug_cb_handle;
libusb_hotplug_register_callback(irecv_hotplug_ctx, LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED | LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, LIBUSB_HOTPLUG_ENUMERATE, APPLE_VENDOR_ID, LIBUSB_HOTPLUG_MATCH_ANY, 0, _irecv_usb_hotplug_cb, NULL, &usb_hotplug_cb_handle);
int running = 1;
+
+ mutex_lock(&(info->startup_mutex));
+ cond_signal(&(info->startup_cond));
+ mutex_unlock(&(info->startup_mutex));
+
do {
struct timeval tv;
tv.tv_sec = tv.tv_usec = 0;
@@ -2272,6 +2292,10 @@ static void *_irecv_event_handler(void* unused)
libusb_device **devs;
int running = 1;
+ mutex_lock(&(info->startup_mutex));
+ cond_signal(&(info->startup_cond));
+ mutex_unlock(&(info->startup_mutex));
+
do {
cnt = libusb_get_device_list(irecv_hotplug_ctx, &devs);
if (cnt < 0) {
@@ -2349,6 +2373,9 @@ IRECV_API irecv_error_t irecv_device_event_subscribe(irecv_device_event_context_
mutex_unlock(&listener_mutex);
if (th_event_handler == THREAD_T_NULL || !thread_alive(th_event_handler)) {
+ struct _irecv_event_handler_info info;
+ cond_init(&info.startup_cond);
+ mutex_init(&info.startup_mutex);
#ifndef WIN32
#ifndef HAVE_IOKIT
libusb_init(&irecv_hotplug_ctx);
@@ -2356,7 +2383,13 @@ IRECV_API irecv_error_t irecv_device_event_subscribe(irecv_device_event_context_
#endif
collection_init(&devices);
mutex_init(&device_mutex);
- thread_new(&th_event_handler, _irecv_event_handler, NULL);
+ mutex_lock(&info.startup_mutex);
+ if (thread_new(&th_event_handler, _irecv_event_handler, &info) == 0) {
+ cond_wait(&info.startup_cond, &info.startup_mutex);
+ }
+ mutex_unlock(&info.startup_mutex);
+ cond_destroy(&info.startup_cond);
+ mutex_destroy(&info.startup_mutex);
}
*context = _context;
@@ -2378,10 +2411,11 @@ IRECV_API irecv_error_t irecv_device_event_unsubscribe(irecv_device_event_contex
int num = collection_count(&listeners);
mutex_unlock(&listener_mutex);
- if (num == 0) {
+ if (num == 0 && th_event_handler != THREAD_T_NULL && thread_alive(th_event_handler)) {
#ifdef HAVE_IOKIT
if (iokit_runloop) {
CFRunLoopStop(iokit_runloop);
+ iokit_runloop = NULL;
}
#endif
thread_join(th_event_handler);