diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2011-03-12 17:43:52 +0100 |
---|---|---|
committer | Blue Swirl <blauwirbel@gmail.com> | 2011-03-13 14:44:21 +0000 |
commit | 9257d46d55f1fe4e8209be9a6870e339ac3266fe (patch) | |
tree | 097b8459e69df0da2b17fcd67d44c84fdfc2de63 /qemu-thread.h | |
parent | b7680cb6078bd7294a3dd86473d3f2fdee991dd0 (diff) | |
download | hqemu-9257d46d55f1fe4e8209be9a6870e339ac3266fe.zip hqemu-9257d46d55f1fe4e8209be9a6870e339ac3266fe.tar.gz |
add win32 qemu-thread implementation
For now, qemu_cond_timedwait and qemu_mutex_timedlock are left as
POSIX-only functions. They can be removed later, once the patches
that remove their uses are in.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'qemu-thread.h')
-rw-r--r-- | qemu-thread.h | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/qemu-thread.h b/qemu-thread.h index add97bf..acdb6b2 100644 --- a/qemu-thread.h +++ b/qemu-thread.h @@ -1,24 +1,16 @@ #ifndef __QEMU_THREAD_H #define __QEMU_THREAD_H 1 -#include "semaphore.h" -#include "pthread.h" - -struct QemuMutex { - pthread_mutex_t lock; -}; - -struct QemuCond { - pthread_cond_t cond; -}; - -struct QemuThread { - pthread_t thread; -}; typedef struct QemuMutex QemuMutex; typedef struct QemuCond QemuCond; typedef struct QemuThread QemuThread; +#ifdef _WIN32 +#include "qemu-thread-win32.h" +#else +#include "qemu-thread-posix.h" +#endif + void qemu_mutex_init(QemuMutex *mutex); void qemu_mutex_destroy(QemuMutex *mutex); void qemu_mutex_lock(QemuMutex *mutex); @@ -28,6 +20,12 @@ void qemu_mutex_unlock(QemuMutex *mutex); void qemu_cond_init(QemuCond *cond); void qemu_cond_destroy(QemuCond *cond); + +/* + * IMPORTANT: The implementation does not guarantee that pthread_cond_signal + * and pthread_cond_broadcast can be called except while the same mutex is + * held as in the corresponding pthread_cond_wait calls! + */ void qemu_cond_signal(QemuCond *cond); void qemu_cond_broadcast(QemuCond *cond); void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex); @@ -36,7 +34,6 @@ int qemu_cond_timedwait(QemuCond *cond, QemuMutex *mutex, uint64_t msecs); void qemu_thread_create(QemuThread *thread, void *(*start_routine)(void*), void *arg); -void qemu_thread_signal(QemuThread *thread, int sig); void qemu_thread_get_self(QemuThread *thread); int qemu_thread_is_self(QemuThread *thread); void qemu_thread_exit(void *retval); |