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liblzma: Fix mythread_sync for nested locking.

This commit is contained in:
Lasse Collin 2012-12-14 11:01:41 +02:00
parent 4c7e28705f
commit 2ebbb994e3
1 changed files with 3 additions and 2 deletions
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5
src/common/mythread.h
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@ -70,8 +70,9 @@ do { \
/// things down at all compared to plain pthread_mutex_lock(&mutex)
/// and pthread_mutex_unlock(&mutex) calls.
///
#define mythread_sync(mutex) mythread_sync_helper(mutex, __LINE__)
#define mythread_sync_helper(mutex, line) \
#define mythread_sync(mutex) mythread_sync_helper1(mutex, __LINE__)
#define mythread_sync_helper1(mutex, line) mythread_sync_helper2(mutex, line)
#define mythread_sync_helper2(mutex, line) \
for (unsigned int mythread_i_ ## line = 0; \
mythread_i_ ## line \
? (pthread_mutex_unlock(&(mutex)), 0) \