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Diffstat (limited to 'cpus.c')
-rw-r--r--cpus.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/cpus.c b/cpus.c
index f27dfbdda7..d9c9111f82 100644
--- a/cpus.c
+++ b/cpus.c
@@ -644,31 +644,22 @@ static void sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo,
}
}
-static void qemu_kvm_eat_signal(CPUState *env, int timeout)
+static void qemu_kvm_eat_signals(CPUState *env)
{
- struct timespec ts;
- int r, e;
+ struct timespec ts = { 0, 0 };
siginfo_t siginfo;
sigset_t waitset;
sigset_t chkset;
-
- ts.tv_sec = timeout / 1000;
- ts.tv_nsec = (timeout % 1000) * 1000000;
+ int r;
sigemptyset(&waitset);
sigaddset(&waitset, SIG_IPI);
sigaddset(&waitset, SIGBUS);
do {
- qemu_mutex_unlock(&qemu_global_mutex);
-
r = sigtimedwait(&waitset, &siginfo, &ts);
- e = errno;
-
- qemu_mutex_lock(&qemu_global_mutex);
-
- if (r == -1 && !(e == EAGAIN || e == EINTR)) {
- fprintf(stderr, "sigtimedwait: %s\n", strerror(e));
+ if (r == -1 && !(errno == EAGAIN || errno == EINTR)) {
+ perror("sigtimedwait");
exit(1);
}
@@ -684,7 +675,7 @@ static void qemu_kvm_eat_signal(CPUState *env, int timeout)
r = sigpending(&chkset);
if (r == -1) {
- fprintf(stderr, "sigpending: %s\n", strerror(e));
+ perror("sigpending");
exit(1);
}
} while (sigismember(&chkset, SIG_IPI) || sigismember(&chkset, SIGBUS));
@@ -695,7 +686,7 @@ static void qemu_kvm_wait_io_event(CPUState *env)
while (!cpu_has_work(env))
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
- qemu_kvm_eat_signal(env, 0);
+ qemu_kvm_eat_signals(env);
qemu_wait_io_event_common(env);
}