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-rw-r--r--cpu-defs.h9
-rw-r--r--cpus.c11
-rw-r--r--qemu-thread-win32.c29
-rw-r--r--qemu-thread-win32.h3
4 files changed, 42 insertions, 10 deletions
diff --git a/cpu-defs.h b/cpu-defs.h
index db48a7afef..57a709b679 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -153,6 +153,14 @@ typedef struct CPUWatchpoint {
QTAILQ_ENTRY(CPUWatchpoint) entry;
} CPUWatchpoint;
+#ifdef _WIN32
+#define CPU_COMMON_THREAD \
+ void *hThread;
+
+#else
+#define CPU_COMMON_THREAD
+#endif
+
#define CPU_TEMP_BUF_NLONGS 128
#define CPU_COMMON \
struct TranslationBlock *current_tb; /* currently executing TB */ \
@@ -211,6 +219,7 @@ typedef struct CPUWatchpoint {
uint32_t stop; /* Stop request */ \
uint32_t stopped; /* Artificially stopped */ \
struct QemuThread *thread; \
+ CPU_COMMON_THREAD \
struct QemuCond *halt_cond; \
int thread_kicked; \
struct qemu_work_item *queued_work_first, *queued_work_last; \
diff --git a/cpus.c b/cpus.c
index a060c6056e..b421a7140e 100644
--- a/cpus.c
+++ b/cpus.c
@@ -793,9 +793,9 @@ static void qemu_cpu_kick_thread(CPUState *env)
}
#else /* _WIN32 */
if (!qemu_cpu_is_self(env)) {
- SuspendThread(env->thread->thread);
+ SuspendThread(env->hThread);
cpu_signal(0);
- ResumeThread(env->thread->thread);
+ ResumeThread(env->hThread);
}
#endif
}
@@ -911,7 +911,10 @@ static void qemu_tcg_init_vcpu(void *_env)
qemu_cond_init(env->halt_cond);
tcg_halt_cond = env->halt_cond;
qemu_thread_create(env->thread, qemu_tcg_cpu_thread_fn, env,
- QEMU_THREAD_DETACHED);
+ QEMU_THREAD_JOINABLE);
+#ifdef _WIN32
+ env->hThread = qemu_thread_get_handle(env->thread);
+#endif
while (env->created == 0) {
qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
}
@@ -928,7 +931,7 @@ static void qemu_kvm_start_vcpu(CPUState *env)
env->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(env->halt_cond);
qemu_thread_create(env->thread, qemu_kvm_cpu_thread_fn, env,
- QEMU_THREAD_DETACHED);
+ QEMU_THREAD_JOINABLE);
while (env->created == 0) {
qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
}
diff --git a/qemu-thread-win32.c b/qemu-thread-win32.c
index a13ffcca69..fe9b931863 100644
--- a/qemu-thread-win32.c
+++ b/qemu-thread-win32.c
@@ -252,14 +252,10 @@ void *qemu_thread_join(QemuThread *thread)
* discard the handle that _beginthreadex gives back, and
* get another copy of the handle here.
*/
- EnterCriticalSection(&data->cs);
- if (!data->exited) {
- handle = OpenThread(SYNCHRONIZE, FALSE, thread->tid);
- LeaveCriticalSection(&data->cs);
+ handle = qemu_thread_get_handle(thread);
+ if (handle) {
WaitForSingleObject(handle, INFINITE);
CloseHandle(handle);
- } else {
- LeaveCriticalSection(&data->cs);
}
ret = data->ret;
DeleteCriticalSection(&data->cs);
@@ -308,6 +304,27 @@ void qemu_thread_get_self(QemuThread *thread)
thread->tid = GetCurrentThreadId();
}
+HANDLE qemu_thread_get_handle(QemuThread *thread)
+{
+ QemuThreadData *data;
+ HANDLE handle;
+
+ data = thread->data;
+ if (!data) {
+ return NULL;
+ }
+
+ EnterCriticalSection(&data->cs);
+ if (!data->exited) {
+ handle = OpenThread(SYNCHRONIZE | THREAD_SUSPEND_RESUME, FALSE,
+ thread->tid);
+ } else {
+ handle = NULL;
+ }
+ LeaveCriticalSection(&data->cs);
+ return handle;
+}
+
int qemu_thread_is_self(QemuThread *thread)
{
return GetCurrentThreadId() == thread->tid;
diff --git a/qemu-thread-win32.h b/qemu-thread-win32.h
index 2983490a58..b9d1be8478 100644
--- a/qemu-thread-win32.h
+++ b/qemu-thread-win32.h
@@ -19,4 +19,7 @@ struct QemuThread {
unsigned tid;
};
+/* Only valid for joinable threads. */
+HANDLE qemu_thread_get_handle(QemuThread *thread);
+
#endif