diff options
Diffstat (limited to 'src/pkg/runtime/openbsd/thread.c')
| -rw-r--r-- | src/pkg/runtime/openbsd/thread.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/pkg/runtime/openbsd/thread.c b/src/pkg/runtime/openbsd/thread.c index 7e9ba5d67..909db8cdc 100644 --- a/src/pkg/runtime/openbsd/thread.c +++ b/src/pkg/runtime/openbsd/thread.c @@ -9,19 +9,20 @@ extern SigTab runtime·sigtab[]; extern int64 runtime·rfork_thread(int32 flags, void *stack, M *m, G *g, void (*fn)(void)); -extern void runtime·sys_sched_yield(void); + +enum +{ + ENOTSUP = 91, +}; // Basic spinlocks using CAS. We can improve on these later. static void lock(Lock *l) { - uint32 v; - int32 ret; - for(;;) { if(runtime·cas(&l->key, 0, 1)) return; - runtime·sys_sched_yield(); + runtime·osyield(); } } @@ -29,7 +30,6 @@ static void unlock(Lock *l) { uint32 v; - int32 ret; for (;;) { v = l->key; @@ -103,8 +103,8 @@ runtime·newosproc(M *m, G *g, void *stk, void (*fn)(void)) if((ret = runtime·rfork_thread(flags, stk, m, g, fn)) < 0) { runtime·printf("runtime: failed to create new OS thread (have %d already; errno=%d)\n", runtime·mcount() - 1, -ret); - runtime·printf("runtime: is kern.rthreads disabled?\n"); - + if (ret == -ENOTSUP) + runtime·printf("runtime: is kern.rthreads disabled?\n"); runtime·throw("runtime.newosproc"); } } |