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Fix semaphore behavior in WaitForSingleObject. 

Two simple bugfixes for semaphores in WaitForSingleObject:

First, semaphore count should be decreased on loading the semaphore, not
increased. The case for duration=0 had this wrong (duration=-1 was fine).

Second, the code for duration=-1 forgot to set the return value, so it
would always return WAIT_FAILED.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30852 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
sesse 2010-03-06 10:07:39 +00:00
parent 474c365479
commit 8e19e87761
1 changed files with 2 additions and 1 deletions
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3
loader/win32.c
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@ -890,7 +890,7 @@ static void* WINAPI expWaitForSingleObject(void* object, int duration)
if (duration == 0) {
if(ml->semaphore==0) ret = WAIT_FAILED;
else {
ml->semaphore++;
ml->semaphore--;
ret = WAIT_OBJECT_0;
}
}
@ -898,6 +898,7 @@ static void* WINAPI expWaitForSingleObject(void* object, int duration)
if (ml->semaphore==0)
pthread_cond_wait(ml->pc,ml->pm);
ml->semaphore--;
ret = WAIT_OBJECT_0;
}
break;
}