Jacek Caban : winepulse: Use event handle to signal main loop readiness.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b4c7823bbb6a792098131f5572506784c8ed0f35
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b4c7823bbb6a792098131f5572506784c8ed0f35

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Wed May 26 16:18:36 2021 +0200

winepulse: Use event handle to signal main loop readiness.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winepulse.drv/mmdevdrv.c | 12 ++++++++----
 dlls/winepulse.drv/pulse.c    |  7 +++----
 dlls/winepulse.drv/unixlib.h  |  3 +--
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
index bc28bce137e..1a39db0f72b 100644
--- a/dlls/winepulse.drv/mmdevdrv.c
+++ b/dlls/winepulse.drv/mmdevdrv.c
@@ -193,8 +193,9 @@ static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 }
 
-static DWORD CALLBACK pulse_mainloop_thread(void *tmp) {
-    pulse->main_loop();
+static DWORD CALLBACK pulse_mainloop_thread(void *event)
+{
+    pulse->main_loop(event);
     return 0;
 }
 
@@ -557,14 +558,17 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient3 *iface,
 
     if (!pulse_thread)
     {
-        if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, NULL, 0, NULL)))
+        HANDLE event = CreateEventW(NULL, TRUE, FALSE, NULL);
+        if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, event, 0, NULL)))
         {
             ERR("Failed to create mainloop thread.\n");
             pulse->unlock();
+            CloseHandle(event);
             return E_FAIL;
         }
         SetThreadPriority(pulse_thread, THREAD_PRIORITY_TIME_CRITICAL);
-        pulse->cond_wait();
+        WaitForSingleObject(event, INFINITE);
+        CloseHandle(event);
     }
 
     name = get_application_name();
diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 05e1dacd68e..143406988d4 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -109,7 +109,7 @@ static void WINAPI pulse_unlock(void)
     pthread_mutex_unlock(&pulse_mutex);
 }
 
-static int WINAPI pulse_cond_wait(void)
+static int pulse_cond_wait(void)
 {
     return pthread_cond_wait(&pulse_cond, &pulse_mutex);
 }
@@ -175,13 +175,13 @@ static int pulse_poll_func(struct pollfd *ufds, unsigned long nfds, int timeout,
     return r;
 }
 
-static void WINAPI pulse_main_loop(void)
+static void WINAPI pulse_main_loop(HANDLE event)
 {
     int ret;
     pulse_ml = pa_mainloop_new();
     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
+    NtSetEvent(event, NULL);
     pulse_lock();
-    pulse_broadcast();
     pa_mainloop_run(pulse_ml, &ret);
     pulse_unlock();
     pa_mainloop_free(pulse_ml);
@@ -1809,7 +1809,6 @@ static const struct unix_funcs unix_funcs =
 {
     pulse_lock,
     pulse_unlock,
-    pulse_cond_wait,
     pulse_main_loop,
     pulse_create_stream,
     pulse_release_stream,
diff --git a/dlls/winepulse.drv/unixlib.h b/dlls/winepulse.drv/unixlib.h
index 13793c734cd..797ed3bdaa5 100644
--- a/dlls/winepulse.drv/unixlib.h
+++ b/dlls/winepulse.drv/unixlib.h
@@ -35,8 +35,7 @@ struct unix_funcs
 {
     void (WINAPI *lock)(void);
     void (WINAPI *unlock)(void);
-    int (WINAPI *cond_wait)(void);
-    void (WINAPI *main_loop)(void);
+    void (WINAPI *main_loop)(HANDLE event);
     HRESULT (WINAPI *create_stream)(const char *name, EDataFlow dataflow, AUDCLNT_SHAREMODE mode,
                                     DWORD flags, REFERENCE_TIME duration, REFERENCE_TIME period,
                                     const WAVEFORMATEX *fmt, UINT32 *channel_count,