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locking tweak

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@31210 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2010-08-30 19:16:30 +00:00
parent 3b4e148c19
commit e8ed721622
1 changed files with 10 additions and 4 deletions
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14
Source/NSThread.m
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@ -919,11 +919,17 @@ static void *nsthreadLauncher(void* thread)
NSLog(@"Set event failed - %@", [NSError _last]);
}
#else
/* The write could concievably fail if the pipe is full, but in that
* case we don't care since the other thread should be woken to handle
* reading anyway.
/* The write could concievably fail if the pipe is full.
* In that case we need to release the lock teporarily to allow the other
* thread to consume data from the pipe. It's possible that the thread
* and its runloop might stop during that ... so we need to check that
* outputFd is still valid.
*/
write(outputFd, "0", 1);
while (outputFd >= 0 && write(outputFd, "0", 1) != 1)
{
[lock unlock];
[lock lock];
}
#endif
[lock unlock];
}