avoid function call to pthread_self in mutex unlock
authorRich Felker <dalias@aerifal.cx>
Thu, 17 Mar 2011 17:35:08 +0000 (13:35 -0400)
committerRich Felker <dalias@aerifal.cx>
Thu, 17 Mar 2011 17:35:08 +0000 (13:35 -0400)
commit18c7ea8055cf733f168d2c74d7cc8523a360f5f1
tree853806a94f1f044ba64e136b2abe2e6ff54db456
parent93cc986ab37b14f8c6b624439ce2a2beca7b3cf7
avoid function call to pthread_self in mutex unlock

if the mutex was previously locked, we can assume pthread_self was
already called at the time of locking, and thus that the thread
pointer is initialized.
src/thread/pthread_mutex_unlock.c