xemu/qemu-thread.h
Jan Kiszka cf21871479 qemu-thread: add API for joinable threads
Split from Jan's original qemu-thread-posix.c patch.  No semantic change,
just introduce the new API that POSIX and Win32 implementations will
conform to.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-12 17:06:22 -06:00

49 lines
1.4 KiB
C

#ifndef __QEMU_THREAD_H
#define __QEMU_THREAD_H 1
#include <inttypes.h>
typedef struct QemuMutex QemuMutex;
typedef struct QemuCond QemuCond;
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_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);
int qemu_thread_is_self(QemuThread *thread);
void qemu_thread_exit(void *retval);
#endif