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fix bug in synccall with no threads: lock was taken but never released

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This commit is contained in:
Rich Felker
2011-07-30 00:24:26 -04:00
parent afade2356e
commit 7dd60b80f9
1 changed files with 4 additions and 4 deletions
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8
src/thread/synccall.c
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@ -54,15 +54,15 @@ void __synccall(void (*func)(void *), void *ctx)
struct chain *cur, *next; struct chain *cur, *next;
uint64_t oldmask; uint64_t oldmask;
pthread_rwlock_wrlock(&lock);
__syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8);
if (!libc.threads_minus_1) { if (!libc.threads_minus_1) {
func(ctx); func(ctx);
return; return;
} }
pthread_rwlock_wrlock(&lock);
__syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8);
sem_init(&chaindone, 0, 0); sem_init(&chaindone, 0, 0);
sem_init(&chainlock, 0, 1); sem_init(&chainlock, 0, 1);
chainlen = 0; chainlen = 0;