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-rw-r--r--accel/dummy-cpus.c14
-rw-r--r--accel/meson.build2
-rw-r--r--accel/qtest/meson.build3
-rw-r--r--include/hw/core/cpu.h1
-rw-r--r--softmmu/cpus.c9
5 files changed, 20 insertions, 9 deletions
diff --git a/accel/dummy-cpus.c b/accel/dummy-cpus.c
index 10429fd..d6a1b8d 100644
--- a/accel/dummy-cpus.c
+++ b/accel/dummy-cpus.c
@@ -21,8 +21,6 @@
static void *dummy_cpu_thread_fn(void *arg)
{
CPUState *cpu = arg;
- sigset_t waitset;
- int r;
rcu_register_thread();
@@ -32,8 +30,13 @@ static void *dummy_cpu_thread_fn(void *arg)
cpu->can_do_io = 1;
current_cpu = cpu;
+#ifndef _WIN32
+ sigset_t waitset;
+ int r;
+
sigemptyset(&waitset);
sigaddset(&waitset, SIG_IPI);
+#endif
/* signal CPU creation */
cpu_thread_signal_created(cpu);
@@ -41,6 +44,7 @@ static void *dummy_cpu_thread_fn(void *arg)
do {
qemu_mutex_unlock_iothread();
+#ifndef _WIN32
do {
int sig;
r = sigwait(&waitset, &sig);
@@ -49,6 +53,9 @@ static void *dummy_cpu_thread_fn(void *arg)
perror("sigwait");
exit(1);
}
+#else
+ qemu_sem_wait(&cpu->sem);
+#endif
qemu_mutex_lock_iothread();
qemu_wait_io_event(cpu);
} while (!cpu->unplug);
@@ -69,4 +76,7 @@ void dummy_start_vcpu_thread(CPUState *cpu)
cpu->cpu_index);
qemu_thread_create(cpu->thread, thread_name, dummy_cpu_thread_fn, cpu,
QEMU_THREAD_JOINABLE);
+#ifdef _WIN32
+ qemu_sem_init(&cpu->sem, 0);
+#endif
}
diff --git a/accel/meson.build b/accel/meson.build
index b9a963c..259c35c 100644
--- a/accel/meson.build
+++ b/accel/meson.build
@@ -16,5 +16,5 @@ dummy_ss.add(files(
'dummy-cpus.c',
))
-specific_ss.add_all(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'], if_true: dummy_ss)
+specific_ss.add_all(when: ['CONFIG_SOFTMMU'], if_true: dummy_ss)
specific_ss.add_all(when: ['CONFIG_XEN'], if_true: dummy_ss)
diff --git a/accel/qtest/meson.build b/accel/qtest/meson.build
index 4c65600..176d990 100644
--- a/accel/qtest/meson.build
+++ b/accel/qtest/meson.build
@@ -1,2 +1 @@
-qtest_module_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_POSIX'],
- if_true: files('qtest.c'))
+qtest_module_ss.add(when: ['CONFIG_SOFTMMU'], if_true: files('qtest.c'))
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index f9b5877..8830546 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -333,6 +333,7 @@ struct CPUState {
struct QemuThread *thread;
#ifdef _WIN32
HANDLE hThread;
+ QemuSemaphore sem;
#endif
int thread_id;
bool running, has_waiter;
diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index 61b27ff..9dd1a4d 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -437,18 +437,19 @@ void qemu_wait_io_event(CPUState *cpu)
void cpus_kick_thread(CPUState *cpu)
{
-#ifndef _WIN32
- int err;
-
if (cpu->thread_kicked) {
return;
}
cpu->thread_kicked = true;
- err = pthread_kill(cpu->thread->thread, SIG_IPI);
+
+#ifndef _WIN32
+ int err = pthread_kill(cpu->thread->thread, SIG_IPI);
if (err && err != ESRCH) {
fprintf(stderr, "qemu:%s: %s", __func__, strerror(err));
exit(1);
}
+#else
+ qemu_sem_post(&cpu->sem);
#endif
}