diff options
| -rw-r--r-- | accel/dummy-cpus.c | 14 | ||||
| -rw-r--r-- | accel/meson.build | 2 | ||||
| -rw-r--r-- | accel/qtest/meson.build | 3 | ||||
| -rw-r--r-- | include/hw/core/cpu.h | 1 | ||||
| -rw-r--r-- | softmmu/cpus.c | 9 |
5 files changed, 20 insertions, 9 deletions
diff --git a/accel/dummy-cpus.c b/accel/dummy-cpus.c index 10429fdfb2..d6a1b8d0a2 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 b9a963cf80..259c35c4c8 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 4c65600293..176d990ae1 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 f9b58773f7..8830546121 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 61b27ff59d..9dd1a4dc17 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 } |