jyapayne/musl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

condition variable signal/bcast need not wake unless there are waiters

Browse source
This commit is contained in:
Rich Felker 2011-08-07 18:31:06 -04:00
commit 1407785824
2 changed files with 4 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/thread/pthread_cond_broadcast.c
View file

@ -2,7 +2,7 @@
int pthread_cond_broadcast(pthread_cond_t *c) int pthread_cond_broadcast(pthread_cond_t *c)
{ {
c->_c_block = 0; if (a_swap(&c->_c_block, 0))
__wake(&c->_c_block, -1, 0); __wake(&c->_c_block, -1, 0);
return 0; return 0;
} }

4
src/thread/pthread_cond_signal.c
View file

@ -2,7 +2,7 @@
int pthread_cond_signal(pthread_cond_t *c) int pthread_cond_signal(pthread_cond_t *c)
{ {
c->_c_block = 0; if (a_swap(&c->_c_block, 0));
__wake(&c->_c_block, 1, 0); __wake(&c->_c_block, 1, 0);
return 0; return 0;
} }