mirror of
https://github.com/qemu/qemu.git
synced 2024-11-27 13:53:45 +08:00
38b14db34e
The new thread pool will use semaphores instead of condition variables, because QemuCond does not have qemu_cond_timedwait. (I also like it more this way). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#ifndef __QEMU_THREAD_H
|
|
#define __QEMU_THREAD_H 1
|
|
|
|
#include <inttypes.h>
|
|
#include <stdbool.h>
|
|
|
|
typedef struct QemuMutex QemuMutex;
|
|
typedef struct QemuCond QemuCond;
|
|
typedef struct QemuSemaphore QemuSemaphore;
|
|
typedef struct QemuThread QemuThread;
|
|
|
|
#ifdef _WIN32
|
|
#include "qemu-thread-win32.h"
|
|
#else
|
|
#include "qemu-thread-posix.h"
|
|
#endif
|
|
|
|
#define QEMU_THREAD_JOINABLE 0
|
|
#define QEMU_THREAD_DETACHED 1
|
|
|
|
void qemu_mutex_init(QemuMutex *mutex);
|
|
void qemu_mutex_destroy(QemuMutex *mutex);
|
|
void qemu_mutex_lock(QemuMutex *mutex);
|
|
int qemu_mutex_trylock(QemuMutex *mutex);
|
|
void qemu_mutex_unlock(QemuMutex *mutex);
|
|
|
|
#define rcu_read_lock() do { } while (0)
|
|
#define rcu_read_unlock() do { } while (0)
|
|
|
|
void qemu_cond_init(QemuCond *cond);
|
|
void qemu_cond_destroy(QemuCond *cond);
|
|
|
|
/*
|
|
* IMPORTANT: The implementation does not guarantee that pthread_cond_signal
|
|
* and pthread_cond_broadcast can be called except while the same mutex is
|
|
* held as in the corresponding pthread_cond_wait calls!
|
|
*/
|
|
void qemu_cond_signal(QemuCond *cond);
|
|
void qemu_cond_broadcast(QemuCond *cond);
|
|
void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
|
|
|
|
void qemu_sem_init(QemuSemaphore *sem, int init);
|
|
void qemu_sem_post(QemuSemaphore *sem);
|
|
void qemu_sem_wait(QemuSemaphore *sem);
|
|
int qemu_sem_timedwait(QemuSemaphore *sem, int ms);
|
|
void qemu_sem_destroy(QemuSemaphore *sem);
|
|
|
|
void qemu_thread_create(QemuThread *thread,
|
|
void *(*start_routine)(void *),
|
|
void *arg, int mode);
|
|
void *qemu_thread_join(QemuThread *thread);
|
|
void qemu_thread_get_self(QemuThread *thread);
|
|
bool qemu_thread_is_self(QemuThread *thread);
|
|
void qemu_thread_exit(void *retval);
|
|
|
|
#endif
|