xemu/qemu-thread-posix.h
Paolo Bonzini c166cb72f1 semaphore: implement fallback counting semaphores with mutex+condvar
OpenBSD and Darwin do not have sem_timedwait.  Implement a fallback
for them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-11-02 13:07:54 -05:00

29 lines
447 B
C

#ifndef __QEMU_THREAD_POSIX_H
#define __QEMU_THREAD_POSIX_H 1
#include "pthread.h"
#include <semaphore.h>
struct QemuMutex {
pthread_mutex_t lock;
};
struct QemuCond {
pthread_cond_t cond;
};
struct QemuSemaphore {
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__NetBSD__)
pthread_mutex_t lock;
pthread_cond_t cond;
int count;
#else
sem_t sem;
#endif
};
struct QemuThread {
pthread_t thread;
};
#endif