*
*/
#include "qemu-common.h"
-#include "qemu-thread.h"
+#include "qemu/thread.h"
#include <process.h>
#include <assert.h>
#include <limits.h>
qemu_mutex_lock(mutex);
}
+void qemu_sem_init(QemuSemaphore *sem, int init)
+{
+ /* Manual reset. */
+ sem->sema = CreateSemaphore(NULL, init, LONG_MAX, NULL);
+}
+
+void qemu_sem_destroy(QemuSemaphore *sem)
+{
+ CloseHandle(sem->sema);
+}
+
+void qemu_sem_post(QemuSemaphore *sem)
+{
+ ReleaseSemaphore(sem->sema, 1, NULL);
+}
+
+int qemu_sem_timedwait(QemuSemaphore *sem, int ms)
+{
+ int rc = WaitForSingleObject(sem->sema, ms);
+ if (rc == WAIT_OBJECT_0) {
+ return 0;
+ }
+ if (rc != WAIT_TIMEOUT) {
+ error_exit(GetLastError(), __func__);
+ }
+ return -1;
+}
+
+void qemu_sem_wait(QemuSemaphore *sem)
+{
+ if (WaitForSingleObject(sem->sema, INFINITE) != WAIT_OBJECT_0) {
+ error_exit(GetLastError(), __func__);
+ }
+}
+
struct QemuThreadData {
/* Passed to win32_start_routine. */
void *(*start_routine)(void *);
CRITICAL_SECTION cs;
};
-static int qemu_thread_tls_index = TLS_OUT_OF_INDEXES;
+static __thread QemuThreadData *qemu_thread_data;
static unsigned __stdcall win32_start_routine(void *arg)
{
g_free(data);
data = NULL;
}
- TlsSetValue(qemu_thread_tls_index, data);
+ qemu_thread_data = data;
qemu_thread_exit(start_routine(thread_arg));
abort();
}
void qemu_thread_exit(void *arg)
{
- QemuThreadData *data = TlsGetValue(qemu_thread_tls_index);
+ QemuThreadData *data = qemu_thread_data;
+
if (data) {
assert(data->mode != QEMU_THREAD_DETACHED);
data->ret = arg;
return ret;
}
-static inline void qemu_thread_init(void)
-{
- if (qemu_thread_tls_index == TLS_OUT_OF_INDEXES) {
- qemu_thread_tls_index = TlsAlloc();
- if (qemu_thread_tls_index == TLS_OUT_OF_INDEXES) {
- error_exit(ERROR_NO_SYSTEM_RESOURCES, __func__);
- }
- }
-}
-
-
void qemu_thread_create(QemuThread *thread,
void *(*start_routine)(void *),
void *arg, int mode)
{
HANDLE hThread;
-
struct QemuThreadData *data;
- qemu_thread_init();
+
data = g_malloc(sizeof *data);
data->start_routine = start_routine;
data->arg = arg;
void qemu_thread_get_self(QemuThread *thread)
{
- qemu_thread_init();
- thread->data = TlsGetValue(qemu_thread_tls_index);
+ thread->data = qemu_thread_data;
thread->tid = GetCurrentThreadId();
}