#include "qemu/processor.h"
#include "qemu/atomic.h"
-typedef struct QemuMutex QemuMutex;
typedef struct QemuCond QemuCond;
typedef struct QemuSemaphore QemuSemaphore;
typedef struct QemuEvent QemuEvent;
#include "qemu/thread-posix.h"
#endif
+/* include QSP header once QemuMutex, QemuCond etc. are defined */
+#include "qemu/qsp.h"
+
#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);
+int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line);
+void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line);
+void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line);
+
+typedef void (*QemuMutexLockFunc)(QemuMutex *m, const char *f, int l);
+typedef int (*QemuMutexTrylockFunc)(QemuMutex *m, const char *f, int l);
+typedef void (*QemuRecMutexLockFunc)(QemuRecMutex *m, const char *f, int l);
+typedef int (*QemuRecMutexTrylockFunc)(QemuRecMutex *m, const char *f, int l);
+typedef void (*QemuCondWaitFunc)(QemuCond *c, QemuMutex *m, const char *f,
+ int l);
+
+extern QemuMutexLockFunc qemu_bql_mutex_lock_func;
+extern QemuMutexLockFunc qemu_mutex_lock_func;
+extern QemuMutexTrylockFunc qemu_mutex_trylock_func;
+extern QemuRecMutexLockFunc qemu_rec_mutex_lock_func;
+extern QemuRecMutexTrylockFunc qemu_rec_mutex_trylock_func;
+extern QemuCondWaitFunc qemu_cond_wait_func;
+
+/* convenience macros to bypass the profiler */
+#define qemu_mutex_lock__raw(m) \
+ qemu_mutex_lock_impl(m, __FILE__, __LINE__)
+#define qemu_mutex_trylock__raw(m) \
+ qemu_mutex_trylock_impl(m, __FILE__, __LINE__)
+
+#ifdef __COVERITY__
+/*
+ * Coverity is severely confused by the indirect function calls,
+ * hide them.
+ */
+#define qemu_mutex_lock(m) \
+ qemu_mutex_lock_impl(m, __FILE__, __LINE__);
+#define qemu_mutex_trylock(m) \
+ qemu_mutex_trylock_impl(m, __FILE__, __LINE__);
+#define qemu_rec_mutex_lock(m) \
+ qemu_rec_mutex_lock_impl(m, __FILE__, __LINE__);
+#define qemu_rec_mutex_trylock(m) \
+ qemu_rec_mutex_trylock_impl(m, __FILE__, __LINE__);
+#define qemu_cond_wait(c, m) \
+ qemu_cond_wait_impl(c, m, __FILE__, __LINE__);
+#else
+#define qemu_mutex_lock(m) ({ \
+ QemuMutexLockFunc _f = atomic_read(&qemu_mutex_lock_func); \
+ _f(m, __FILE__, __LINE__); \
+ })
+
+#define qemu_mutex_trylock(m) ({ \
+ QemuMutexTrylockFunc _f = atomic_read(&qemu_mutex_trylock_func); \
+ _f(m, __FILE__, __LINE__); \
+ })
+
+#define qemu_rec_mutex_lock(m) ({ \
+ QemuRecMutexLockFunc _f = atomic_read(&qemu_rec_mutex_lock_func); \
+ _f(m, __FILE__, __LINE__); \
+ })
+
+#define qemu_rec_mutex_trylock(m) ({ \
+ QemuRecMutexTrylockFunc _f; \
+ _f = atomic_read(&qemu_rec_mutex_trylock_func); \
+ _f(m, __FILE__, __LINE__); \
+ })
+
+#define qemu_cond_wait(c, m) ({ \
+ QemuCondWaitFunc _f = atomic_read(&qemu_cond_wait_func); \
+ _f(c, m, __FILE__, __LINE__); \
+ })
+#endif
+
+#define qemu_mutex_unlock(mutex) \
+ qemu_mutex_unlock_impl(mutex, __FILE__, __LINE__)
+
+static inline void (qemu_mutex_lock)(QemuMutex *mutex)
+{
+ qemu_mutex_lock(mutex);
+}
+
+static inline int (qemu_mutex_trylock)(QemuMutex *mutex)
+{
+ return qemu_mutex_trylock(mutex);
+}
+
+static inline void (qemu_mutex_unlock)(QemuMutex *mutex)
+{
+ qemu_mutex_unlock(mutex);
+}
+
+static inline void (qemu_rec_mutex_lock)(QemuRecMutex *mutex)
+{
+ qemu_rec_mutex_lock(mutex);
+}
+
+static inline int (qemu_rec_mutex_trylock)(QemuRecMutex *mutex)
+{
+ return qemu_rec_mutex_trylock(mutex);
+}
/* Prototypes for other functions are in thread-posix.h/thread-win32.h. */
void qemu_rec_mutex_init(QemuRecMutex *mutex);
*/
void qemu_cond_signal(QemuCond *cond);
void qemu_cond_broadcast(QemuCond *cond);
-void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex);
+void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex,
+ const char *file, const int line);
+
+static inline void (qemu_cond_wait)(QemuCond *cond, QemuMutex *mutex)
+{
+ qemu_cond_wait(cond, mutex);
+}
void qemu_sem_init(QemuSemaphore *sem, int init);
void qemu_sem_post(QemuSemaphore *sem);
void qemu_thread_naming(bool enable);
struct Notifier;
+/**
+ * qemu_thread_atexit_add:
+ * @notifier: Notifier to add
+ *
+ * Add the specified notifier to a list which will be run via
+ * notifier_list_notify() when this thread exits (either by calling
+ * qemu_thread_exit() or by returning from its start_routine).
+ * The usual usage is that the caller passes a Notifier which is
+ * a per-thread variable; it can then use the callback to free
+ * other per-thread data.
+ *
+ * If the thread exits as part of the entire process exiting,
+ * it is unspecified whether notifiers are called or not.
+ */
void qemu_thread_atexit_add(struct Notifier *notifier);
+/**
+ * qemu_thread_atexit_remove:
+ * @notifier: Notifier to remove
+ *
+ * Remove the specified notifier from the thread-exit notification
+ * list. It is not valid to try to remove a notifier which is not
+ * on the list.
+ */
void qemu_thread_atexit_remove(struct Notifier *notifier);
-typedef struct QemuSpin {
+struct QemuSpin {
int value;
-} QemuSpin;
+};
static inline void qemu_spin_init(QemuSpin *spin)
{
projects / qemu.git / blobdiff