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-rw-r--r--cpus.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/cpus.c b/cpus.c
index e919dd7fb6..97e9ab4c07 100644
--- a/cpus.c
+++ b/cpus.c
@@ -862,9 +862,29 @@ static void qemu_cpu_kick_thread(CPUState *cpu)
}
#else /* _WIN32 */
if (!qemu_cpu_is_self(cpu)) {
- SuspendThread(cpu->hThread);
+ CONTEXT tcgContext;
+
+ if (SuspendThread(cpu->hThread) == (DWORD)-1) {
+ fprintf(stderr, "qemu:%s: GetLastError:%d\n", __func__,
+ GetLastError());
+ exit(1);
+ }
+
+ /* On multi-core systems, we are not sure that the thread is actually
+ * suspended until we can get the context.
+ */
+ tcgContext.ContextFlags = CONTEXT_CONTROL;
+ while (GetThreadContext(cpu->hThread, &tcgContext) != 0) {
+ continue;
+ }
+
cpu_signal(0);
- ResumeThread(cpu->hThread);
+
+ if (ResumeThread(cpu->hThread) == (DWORD)-1) {
+ fprintf(stderr, "qemu:%s: GetLastError:%d\n", __func__,
+ GetLastError());
+ exit(1);
+ }
}
#endif
}