qemu-e2k/include/qemu/thread-posix.h
Paolo Bonzini feadec6384 qemu-thread: introduce QemuRecMutex
GRecMutex is new in glib 2.32, so we cannot use it.  Introduce
a recursive mutex in qemu-thread instead, which will be used
instead of RFifoLock.

Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1477565348-5458-20-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2016-10-28 21:50:18 +08:00

44 lines
773 B
C

#ifndef QEMU_THREAD_POSIX_H
#define QEMU_THREAD_POSIX_H
#include <pthread.h>
#include <semaphore.h>
typedef QemuMutex QemuRecMutex;
#define qemu_rec_mutex_destroy qemu_mutex_destroy
#define qemu_rec_mutex_lock qemu_mutex_lock
#define qemu_rec_mutex_try_lock qemu_mutex_try_lock
#define qemu_rec_mutex_unlock qemu_mutex_unlock
struct QemuMutex {
pthread_mutex_t lock;
};
struct QemuCond {
pthread_cond_t cond;
};
struct QemuSemaphore {
#if defined(__APPLE__) || defined(__NetBSD__)
pthread_mutex_t lock;
pthread_cond_t cond;
unsigned int count;
#else
sem_t sem;
#endif
};
struct QemuEvent {
#ifndef __linux__
pthread_mutex_t lock;
pthread_cond_t cond;
#endif
unsigned value;
};
struct QemuThread {
pthread_t thread;
};
#endif