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authorPaolo Bonzini <pbonzini@redhat.com>2011-03-12 17:43:52 +0100
committerBlue Swirl <blauwirbel@gmail.com>2011-03-13 14:44:21 +0000
commit9257d46d55f1fe4e8209be9a6870e339ac3266fe (patch)
tree097b8459e69df0da2b17fcd67d44c84fdfc2de63 /qemu-thread.h
parentb7680cb6078bd7294a3dd86473d3f2fdee991dd0 (diff)
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.h27
1 files changed, 12 insertions, 15 deletions
diff --git a/qemu-thread.h b/qemu-thread.h
index add97bf10..acdb6b233 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);