| 81,12 → 81,12 |
|---|
| |
| int futex_down(atomic_t *futex) |
| { |
| return futex_down_timeout(futex, SYNCH_NO_TIMEOUT, SYNCH_BLOCKING); |
| return futex_down_timeout(futex, SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE); |
| } |
| |
| int futex_trydown(atomic_t *futex) |
| { |
| return futex_down_timeout(futex, SYNCH_NO_TIMEOUT, SYNCH_NON_BLOCKING); |
| return futex_down_timeout(futex, SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NON_BLOCKING); |
| } |
| |
| /** Try to down the futex. |
| 93,7 → 93,7 |
|---|
| * |
| * @param futex Futex. |
| * @param usec Microseconds to wait. Zero value means sleep without timeout. |
| * @param trydown If usec is zero and trydown is non-zero, only conditional |
| * @param flags Select mode of operation. See comment for waitq_sleep_timeout(). |
| * |
| * @return ENOENT if there is no such virtual address. One of ESYNCH_OK_ATOMIC |
| * and ESYNCH_OK_BLOCKED on success or ESYNCH_TIMEOUT if the lock was |
| 100,12 → 100,12 |
|---|
| * not acquired because of a timeout or ESYNCH_WOULD_BLOCK if the |
| * operation could not be carried out atomically (if requested so). |
| */ |
| int futex_down_timeout(atomic_t *futex, uint32_t usec, int trydown) |
| int futex_down_timeout(atomic_t *futex, uint32_t usec, int flags) |
| { |
| int rc; |
| |
| while (atomic_predec(futex) < 0) { |
| rc = __SYSCALL3(SYS_FUTEX_SLEEP, (sysarg_t) &futex->count, (sysarg_t) usec, (sysarg_t) trydown); |
| rc = __SYSCALL3(SYS_FUTEX_SLEEP, (sysarg_t) &futex->count, (sysarg_t) usec, (sysarg_t) flags); |
| |
| switch (rc) { |
| case ESYNCH_OK_ATOMIC: |