[FFmpeg-cvslog] avutil/log: use thread wrappers for the locking functionality

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Thu Jan  4 01:11:43 2018 -0300| [8d9c9775b248b0a0f43bd96a242b5311fcc28b72] | committer: James Almer

avutil/log: use thread wrappers for the locking functionality

w32threads and os2threads both support static mutex initialization now,
so don't limit it to pthreads only.

Reviewed-by: wm4 <nfxjfg at googlemail.com>
Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d9c9775b248b0a0f43bd96a242b5311fcc28b72
---

 libavutil/log.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/libavutil/log.c b/libavutil/log.c
index 7a6dd936e5..bd47f2a25f 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -39,11 +39,9 @@
 #include "common.h"
 #include "internal.h"
 #include "log.h"
+#include "thread.h"
 
-#if HAVE_PTHREADS
-#include <pthread.h>
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-#endif
+static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
 #define LINE_SZ 1024
 
@@ -317,9 +315,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
 
     if (level > av_log_level)
         return;
-#if HAVE_PTHREADS
-    pthread_mutex_lock(&mutex);
-#endif
+    ff_mutex_lock(&mutex);
 
     format_line(ptr, level, fmt, vl, part, &print_prefix, type);
     snprintf(line, sizeof(line), "%s%s%s%s", part[0].str, part[1].str, part[2].str, part[3].str);
@@ -356,9 +352,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
 #endif
 end:
     av_bprint_finalize(part+3, NULL);
-#if HAVE_PTHREADS
-    pthread_mutex_unlock(&mutex);
-#endif
+    ff_mutex_unlock(&mutex);
 }
 
 static void (*av_log_callback)(void*, int, const char*, va_list) =