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provide dummy signal init functions for win32 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Paolo Bonzini 2011-03-12 17:44:06 +01:00 committed by Blue Swirl
parent 712ae48084
commit 714bd04090
1 changed files with 75 additions and 72 deletions
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147
cpus.c
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@ -196,6 +196,16 @@ static void cpu_handle_debug_exception(CPUState *env)
#endif
}
#ifdef CONFIG_IOTHREAD
static void cpu_signal(int sig)
{
if (cpu_single_env) {
cpu_exit(cpu_single_env);
}
exit_request = 1;
}
#endif
#ifdef CONFIG_LINUX
static void sigbus_reraise(void)
{
@ -390,6 +400,61 @@ static int qemu_signal_init(void)
return 0;
}
static void qemu_kvm_init_cpu_signals(CPUState *env)
{
int r;
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = dummy_signal;
sigaction(SIG_IPI, &sigact, NULL);
#ifdef CONFIG_IOTHREAD
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
#else
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_BLOCK, &set, NULL);
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIGIO);
sigdelset(&set, SIGALRM);
#endif
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
}
static void qemu_tcg_init_cpu_signals(void)
{
#ifdef CONFIG_IOTHREAD
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = cpu_signal;
sigaction(SIG_IPI, &sigact, NULL);
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
#endif
}
static void qemu_kvm_eat_signals(CPUState *env)
{
struct timespec ts = { 0, 0 };
@ -470,39 +535,17 @@ static int qemu_signal_init(void)
return 0;
}
static void qemu_kvm_init_cpu_signals(CPUState *env)
{
abort();
}
static void qemu_tcg_init_cpu_signals(void)
{
}
#endif /* _WIN32 */
#ifndef CONFIG_IOTHREAD
static void qemu_kvm_init_cpu_signals(CPUState *env)
{
#ifndef _WIN32
int r;
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = dummy_signal;
sigaction(SIG_IPI, &sigact, NULL);
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_BLOCK, &set, NULL);
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
sigdelset(&set, SIGIO);
sigdelset(&set, SIGALRM);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
#endif
}
int qemu_init_main_loop(void)
{
int ret;
@ -536,6 +579,8 @@ void qemu_init_vcpu(void *_env)
exit(1);
}
qemu_kvm_init_cpu_signals(env);
} else {
qemu_tcg_init_cpu_signals();
}
}
@ -616,48 +661,6 @@ static QemuCond qemu_system_cond;
static QemuCond qemu_pause_cond;
static QemuCond qemu_work_cond;
static void cpu_signal(int sig)
{
if (cpu_single_env) {
cpu_exit(cpu_single_env);
}
exit_request = 1;
}
static void qemu_kvm_init_cpu_signals(CPUState *env)
{
int r;
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = dummy_signal;
sigaction(SIG_IPI, &sigact, NULL);
pthread_sigmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
sigdelset(&set, SIGBUS);
r = kvm_set_signal_mask(env, &set);
if (r) {
fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(-r));
exit(1);
}
}
static void qemu_tcg_init_cpu_signals(void)
{
sigset_t set;
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = cpu_signal;
sigaction(SIG_IPI, &sigact, NULL);
sigemptyset(&set);
sigaddset(&set, SIG_IPI);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
}
int qemu_init_main_loop(void)
{
int ret;