qemu/include/qemu/thread-posix.h
Akihiko Odaki 69e10db83e qemu-thread: Use futex for QemuEvent on Windows
Use the futex-based implementation of QemuEvent on Windows to
remove code duplication and remove the overhead of event object
construction and destruction.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20250526-event-v4-6-5b784cc8e1de@daynix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-06-06 14:32:55 +02:00

39 lines
647 B
C

#ifndef QEMU_THREAD_POSIX_H
#define QEMU_THREAD_POSIX_H
#include <pthread.h>
#include <semaphore.h>
struct QemuMutex {
pthread_mutex_t lock;
#ifdef CONFIG_DEBUG_MUTEX
const char *file;
int line;
#endif
bool initialized;
};
/*
* QemuRecMutex cannot be a typedef of QemuMutex lest we have two
* compatible cases in _Generic. See qemu/lockable.h.
*/
typedef struct QemuRecMutex {
QemuMutex m;
} QemuRecMutex;
struct QemuCond {
pthread_cond_t cond;
bool initialized;
};
struct QemuSemaphore {
QemuMutex mutex;
QemuCond cond;
unsigned int count;
};
struct QemuThread {
pthread_t thread;
};
#endif