diff options
| -rw-r--r-- | util/qemu-thread-common.h | 43 | ||||
| -rw-r--r-- | util/qemu-thread-posix.c | 19 | ||||
| -rw-r--r-- | util/qemu-thread-win32.c | 17 |
3 files changed, 59 insertions, 20 deletions
diff --git a/util/qemu-thread-common.h b/util/qemu-thread-common.h new file mode 100644 index 0000000..d329208 --- /dev/null +++ b/util/qemu-thread-common.h @@ -0,0 +1,43 @@ +/* + * Common qemu-thread implementation header file. + * + * Copyright Red Hat, Inc. 2018 + * + * Authors: + * Peter Xu <peterx@redhat.com>, + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_THREAD_COMMON_H +#define QEMU_THREAD_COMMON_H + +#include "qemu/typedefs.h" +#include "qemu/thread.h" +#include "trace.h" + +static inline void qemu_mutex_post_init(QemuMutex *mutex) +{ + mutex->initialized = true; +} + +static inline void qemu_mutex_pre_lock(QemuMutex *mutex, + const char *file, int line) +{ + trace_qemu_mutex_lock(mutex, file, line); +} + +static inline void qemu_mutex_post_lock(QemuMutex *mutex, + const char *file, int line) +{ + trace_qemu_mutex_locked(mutex, file, line); +} + +static inline void qemu_mutex_pre_unlock(QemuMutex *mutex, + const char *file, int line) +{ + trace_qemu_mutex_unlock(mutex, file, line); +} + +#endif diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c index a1c34ba..dfa66ff 100644 --- a/util/qemu-thread-posix.c +++ b/util/qemu-thread-posix.c @@ -14,7 +14,7 @@ #include "qemu/thread.h" #include "qemu/atomic.h" #include "qemu/notify.h" -#include "trace.h" +#include "qemu-thread-common.h" static bool name_threads; @@ -43,7 +43,7 @@ void qemu_mutex_init(QemuMutex *mutex) err = pthread_mutex_init(&mutex->lock, NULL); if (err) error_exit(err, __func__); - mutex->initialized = true; + qemu_mutex_post_init(mutex); } void qemu_mutex_destroy(QemuMutex *mutex) @@ -62,13 +62,11 @@ void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line) int err; assert(mutex->initialized); - trace_qemu_mutex_lock(mutex, file, line); - + qemu_mutex_pre_lock(mutex, file, line); err = pthread_mutex_lock(&mutex->lock); if (err) error_exit(err, __func__); - - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); } int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line) @@ -78,7 +76,7 @@ int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line) assert(mutex->initialized); err = pthread_mutex_trylock(&mutex->lock); if (err == 0) { - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); return 0; } if (err != EBUSY) { @@ -92,11 +90,10 @@ void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line) int err; assert(mutex->initialized); + qemu_mutex_pre_unlock(mutex, file, line); err = pthread_mutex_unlock(&mutex->lock); if (err) error_exit(err, __func__); - - trace_qemu_mutex_unlock(mutex, file, line); } void qemu_rec_mutex_init(QemuRecMutex *mutex) @@ -160,9 +157,9 @@ void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, con int err; assert(cond->initialized); - trace_qemu_mutex_unlock(mutex, file, line); + qemu_mutex_pre_unlock(mutex, file, line); err = pthread_cond_wait(&cond->cond, &mutex->lock); - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); if (err) error_exit(err, __func__); } diff --git a/util/qemu-thread-win32.c b/util/qemu-thread-win32.c index ab60c0d..b303188 100644 --- a/util/qemu-thread-win32.c +++ b/util/qemu-thread-win32.c @@ -19,7 +19,7 @@ #include "qemu-common.h" #include "qemu/thread.h" #include "qemu/notify.h" -#include "trace.h" +#include "qemu-thread-common.h" #include <process.h> static bool name_threads; @@ -46,7 +46,7 @@ static void error_exit(int err, const char *msg) void qemu_mutex_init(QemuMutex *mutex) { InitializeSRWLock(&mutex->lock); - mutex->initialized = true; + qemu_mutex_post_init(mutex); } void qemu_mutex_destroy(QemuMutex *mutex) @@ -59,10 +59,9 @@ void qemu_mutex_destroy(QemuMutex *mutex) void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line) { assert(mutex->initialized); - trace_qemu_mutex_lock(mutex, file, line); - + qemu_mutex_pre_lock(mutex, file, line); AcquireSRWLockExclusive(&mutex->lock); - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); } int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line) @@ -72,7 +71,7 @@ int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line) assert(mutex->initialized); owned = TryAcquireSRWLockExclusive(&mutex->lock); if (owned) { - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); return 0; } return -EBUSY; @@ -81,7 +80,7 @@ int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line) void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line) { assert(mutex->initialized); - trace_qemu_mutex_unlock(mutex, file, line); + qemu_mutex_pre_unlock(mutex, file, line); ReleaseSRWLockExclusive(&mutex->lock); } @@ -145,9 +144,9 @@ void qemu_cond_broadcast(QemuCond *cond) void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, const int line) { assert(cond->initialized); - trace_qemu_mutex_unlock(mutex, file, line); + qemu_mutex_pre_unlock(mutex, file, line); SleepConditionVariableSRW(&cond->var, &mutex->lock, INFINITE, 0); - trace_qemu_mutex_locked(mutex, file, line); + qemu_mutex_post_lock(mutex, file, line); } void qemu_sem_init(QemuSemaphore *sem, int init) |