fluencelabs/musl
1
0
Fork 0
mirror of https://github.com/fluencelabs/musl synced 2025-06-30 15:11:55 +00:00
Code Issues Projects Releases Wiki Activity

cheap trick to further optimize locking normal mutexes

Browse Source
This commit is contained in:
Rich Felker
2011-04-14 14:39:57 -04:00
parent 016a5dc192
commit ec2e50d0d7
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/thread/pthread_mutex_trylock.c
View File

@ -7,7 +7,7 @@ int pthread_mutex_trylock(pthread_mutex_t *m)
pthread_t self;
if (m->_m_type == PTHREAD_MUTEX_NORMAL)
return -a_swap(&m->_m_lock, 1) & EBUSY;
return a_swap(&m->_m_lock, EBUSY);
self = pthread_self();
tid = self->tid | 0x80000000;