[FFmpeg-cvslog] avutil/thread: fix strict_pthread_cond_timedwait

Marton Balint git at videolan.org
Sun Jan 26 00:28:21 EET 2020


ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Wed Jan 22 21:03:13 2020 +0100| [1812b42554639175c466d4f1e401ea913fc3cccc] | committer: Marton Balint

avutil/thread: fix strict_pthread_cond_timedwait

Timeout error was assumed to be fatal which it is not.

Signed-off-by: Marton Balint <cus at passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1812b42554639175c466d4f1e401ea913fc3cccc
---

 libavutil/thread.h | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/libavutil/thread.h b/libavutil/thread.h
index 65b97ef303..be5c4b1340 100644
--- a/libavutil/thread.h
+++ b/libavutil/thread.h
@@ -33,16 +33,19 @@
 
 #include "log.h"
 
+#define ASSERT_PTHREAD_ABORT(func, ret) do {                            \
+    char errbuf[AV_ERROR_MAX_STRING_SIZE] = "";                         \
+    av_log(NULL, AV_LOG_FATAL, AV_STRINGIFY(func)                       \
+           " failed with error: %s\n",                                  \
+           av_make_error_string(errbuf, AV_ERROR_MAX_STRING_SIZE,       \
+                                AVERROR(ret)));                         \
+    abort();                                                            \
+} while (0)
+
 #define ASSERT_PTHREAD_NORET(func, ...) do {                            \
     int ret = func(__VA_ARGS__);                                        \
-    if (ret) {                                                          \
-        char errbuf[AV_ERROR_MAX_STRING_SIZE] = "";                     \
-        av_log(NULL, AV_LOG_FATAL, AV_STRINGIFY(func)                   \
-               " failed with error: %s\n",                              \
-               av_make_error_string(errbuf, AV_ERROR_MAX_STRING_SIZE,   \
-                                    AVERROR(ret)));                     \
-        abort();                                                        \
-    }                                                                   \
+    if (ret)                                                            \
+        ASSERT_PTHREAD_ABORT(func, ret);                                \
 } while (0)
 
 #define ASSERT_PTHREAD(func, ...) do {                                  \
@@ -112,7 +115,10 @@ static inline int strict_pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t
 static inline int strict_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
                                                 const struct timespec *abstime)
 {
-    ASSERT_PTHREAD(pthread_cond_timedwait, cond, mutex, abstime);
+    int ret = pthread_cond_timedwait(cond, mutex, abstime);
+    if (ret && ret != ETIMEDOUT)
+        ASSERT_PTHREAD_ABORT(pthread_cond_timedwait, ret);
+    return ret;
 }
 
 static inline int strict_pthread_once(pthread_once_t *once_control, void (*init_routine)(void))



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