diff options
author | Anand Avati <avati@redhat.com> | 2013-03-06 01:11:59 -0800 |
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committer | Anand Avati <avati@redhat.com> | 2013-09-03 11:25:33 -0700 |
commit | 0d60175bd684cf6a14f750579d82dbd1ba97fcbc (patch) | |
tree | 1571f530548196006526442f3fc027cb623bb6fa /contrib/qemu/include/qemu/thread.h | |
parent | 7dbfbfd3694e02b90e8f3ce509f5279da1523a02 (diff) |
contrib/qemu: Import qemu block source code
This qemu block format source code and its minimal
dependency files will be used in the next patch to implement
a qemu-block format translator.
Change-Id: Ic87638972f7ea9b3df84d7a0539512a250c11c1c
BUG: 986775
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/5366
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'contrib/qemu/include/qemu/thread.h')
-rw-r--r-- | contrib/qemu/include/qemu/thread.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/contrib/qemu/include/qemu/thread.h b/contrib/qemu/include/qemu/thread.h new file mode 100644 index 00000000000..c02404b9fbf --- /dev/null +++ b/contrib/qemu/include/qemu/thread.h @@ -0,0 +1,56 @@ +#ifndef __QEMU_THREAD_H +#define __QEMU_THREAD_H 1 + +#include <inttypes.h> +#include <stdbool.h> + +typedef struct QemuMutex QemuMutex; +typedef struct QemuCond QemuCond; +typedef struct QemuSemaphore QemuSemaphore; +typedef struct QemuThread QemuThread; + +#ifdef _WIN32 +#include "qemu/thread-win32.h" +#else +#include "qemu/thread-posix.h" +#endif + +#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); + +#define rcu_read_lock() do { } while (0) +#define rcu_read_unlock() do { } while (0) + +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); + +void qemu_sem_init(QemuSemaphore *sem, int init); +void qemu_sem_post(QemuSemaphore *sem); +void qemu_sem_wait(QemuSemaphore *sem); +int qemu_sem_timedwait(QemuSemaphore *sem, int ms); +void qemu_sem_destroy(QemuSemaphore *sem); + +void qemu_thread_create(QemuThread *thread, + void *(*start_routine)(void *), + void *arg, int mode); +void *qemu_thread_join(QemuThread *thread); +void qemu_thread_get_self(QemuThread *thread); +bool qemu_thread_is_self(QemuThread *thread); +void qemu_thread_exit(void *retval); + +#endif |