cover openbsd too

This commit is contained in:
Colin Davidson
2022-12-29 11:46:43 -08:00
parent 223b66f422
commit 98e5523f2f

View File

@@ -504,6 +504,40 @@ gb_internal void tpool_wait_on_addr(Futex *addr, Footex val) {
}
}
#elif defined(GB_SYSTEM_OPENBSD)
#include <sys/futex.h>
typedef std::atomic<int32_t> Futex;
typedef volatile int32_t Footex;
gb_internal void tpool_wake_addr(Futex *addr) {
int ret = futex((volatile uint32_t *)addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1, NULL, NULL);
if (ret == -1) {
perror("Futex wake");
GB_PANIC("futex wake fail");
}
}
gb_internal void tpool_wait_on_addr(Futex *addr, Footex val) {
for (;;) {
int ret = futex((volatile uint32_t *)addr, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, val, NULL, NULL);
if (ret != -1) {
if (*addr != val) {
return;
}
} else {
if (errno == ETIMEDOUT || errno == EINTR) {
continue;
}
perror("Futex wait");
GB_PANIC("Failed in futex wait!\n");
}
}
}
#elif defined(GB_SYSTEM_OSX)
typedef std::atomic<int64_t> Futex;