12#ifndef __METAL_CONDITION__H__
13#error "Include metal/condition.h instead of metal/linux/condition.h"
16#ifndef __METAL_LINUX_CONDITION__H__
17#define __METAL_LINUX_CONDITION__H__
20#include <sys/syscall.h>
21#include <linux/futex.h>
22#include <metal/atomic.h>
23#include <metal/errno.h>
43#define METAL_CONDITION_INIT { ATOMIC_VAR_INIT(0), ATOMIC_VAR_INIT(0), \
60 syscall(SYS_futex, &cv->
wakeups, FUTEX_WAKE, 1, NULL, NULL, 0);
71 syscall(SYS_futex, &cv->
wakeups, FUTEX_WAKE, INT_MAX, NULL, NULL, 0);
#define atomic_fetch_add(OBJ, VAL)
Definition atomic.h:95
#define atomic_load(OBJ)
Definition atomic.h:60
int atomic_int
Definition atomic.h:24
#define atomic_init(OBJ, VAL)
Definition atomic.h:52
atomic_uint atomic_uintptr_t
Definition atomic.h:26
#define EINVAL
Definition errno.h:43
static int metal_condition_signal(struct metal_condition *cv)
Notify one waiter. Before calling this function, the caller should have acquired the mutex.
static int metal_condition_broadcast(struct metal_condition *cv)
Notify all waiters. Before calling this function, the caller should have acquired the mutex.
static void metal_condition_init(struct metal_condition *cv)
Initialize a libmetal condition variable.