xemu/include/qemu/thread-win32.h
Fam Zheng c096358e74 qemu-thread: Assert locks are initialized before using
Not all platforms check whether a lock is initialized before used.  In
particular Linux seems to be more permissive than OSX.

Check initialization state explicitly in our code to catch such bugs
earlier.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170704122325.25634-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-07-04 14:39:28 +02:00

48 lines
884 B
C

#ifndef QEMU_THREAD_WIN32_H
#define QEMU_THREAD_WIN32_H
#include <windows.h>
struct QemuMutex {
SRWLOCK lock;
bool initialized;
};
typedef struct QemuRecMutex QemuRecMutex;
struct QemuRecMutex {
CRITICAL_SECTION lock;
bool initialized;
};
void qemu_rec_mutex_destroy(QemuRecMutex *mutex);
void qemu_rec_mutex_lock(QemuRecMutex *mutex);
int qemu_rec_mutex_trylock(QemuRecMutex *mutex);
void qemu_rec_mutex_unlock(QemuRecMutex *mutex);
struct QemuCond {
CONDITION_VARIABLE var;
bool initialized;
};
struct QemuSemaphore {
HANDLE sema;
bool initialized;
};
struct QemuEvent {
int value;
HANDLE event;
bool initialized;
};
typedef struct QemuThreadData QemuThreadData;
struct QemuThread {
QemuThreadData *data;
unsigned tid;
};
/* Only valid for joinable threads. */
HANDLE qemu_thread_get_handle(QemuThread *thread);
#endif