diff options
Diffstat (limited to 'src/libthread/pthread.c')
| -rw-r--r-- | src/libthread/pthread.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/libthread/pthread.c b/src/libthread/pthread.c index 46bb396a..35f6ffe3 100644 --- a/src/libthread/pthread.c +++ b/src/libthread/pthread.c @@ -50,13 +50,15 @@ _threadunlock(Lock *lk, ulong pc) abort(); } +/* note: _procsleep can have spurious wakeups, like pthread_cond_wait */ void _procsleep(_Procrendez *r) { /* r is protected by r->l, which we hold */ pthread_cond_init(&r->cond, 0); r->asleep = 1; - pthread_cond_wait(&r->cond, &r->l->mutex); + if(pthread_cond_wait(&r->cond, &r->l->mutex) != 0) + sysfatal("pthread_cond_wait: %r"); pthread_cond_destroy(&r->cond); r->asleep = 0; } @@ -99,6 +101,23 @@ startprocfn(void *v) pthread_exit(0); } +static void +startpthreadfn(void *v) +{ + void **a; + Proc *p; + _Thread *t; + + a = (void**)v; + p = a[0]; + t = a[1]; + free(a); + t->osprocid = pthread_self(); + pthread_detach(t->osprocid); + _threadpthreadmain(p, t); + pthread_exit(0); +} + void _procstart(Proc *p, void (*fn)(Proc*)) { @@ -116,6 +135,22 @@ _procstart(Proc *p, void (*fn)(Proc*)) } } +void +_threadpthreadstart(Proc *p, _Thread *t) +{ + void **a; + + a = malloc(3*sizeof a[0]); + if(a == nil) + sysfatal("_pthreadstart malloc: %r"); + a[0] = p; + a[1] = t; + if(pthread_create(&t->osprocid, nil, (void*(*)(void*))startpthreadfn, (void*)a) < 0){ + fprint(2, "pthread_create: %r\n"); + abort(); + } +} + static pthread_key_t prockey; Proc* |