diff options
Diffstat (limited to 'cpus.c')
-rw-r--r-- | cpus.c | 94 |
1 files changed, 47 insertions, 47 deletions
@@ -245,11 +245,58 @@ static void qemu_init_sigbus(void) prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_EARLY, 0, 0); } +static void qemu_kvm_eat_signals(CPUState *env) +{ + struct timespec ts = { 0, 0 }; + siginfo_t siginfo; + sigset_t waitset; + sigset_t chkset; + int r; + + sigemptyset(&waitset); + sigaddset(&waitset, SIG_IPI); + sigaddset(&waitset, SIGBUS); + + do { + r = sigtimedwait(&waitset, &siginfo, &ts); + if (r == -1 && !(errno == EAGAIN || errno == EINTR)) { + perror("sigtimedwait"); + exit(1); + } + + switch (r) { + case SIGBUS: + if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr)) { + sigbus_reraise(); + } + break; + default: + break; + } + + r = sigpending(&chkset); + if (r == -1) { + perror("sigpending"); + exit(1); + } + } while (sigismember(&chkset, SIG_IPI) || sigismember(&chkset, SIGBUS)); + +#ifndef CONFIG_IOTHREAD + if (sigismember(&chkset, SIGIO) || sigismember(&chkset, SIGALRM)) { + qemu_notify_event(); + } +#endif +} + #else /* !CONFIG_LINUX */ static void qemu_init_sigbus(void) { } + +static void qemu_kvm_eat_signals(CPUState *env) +{ +} #endif /* !CONFIG_LINUX */ #ifndef _WIN32 @@ -455,49 +502,6 @@ static void qemu_tcg_init_cpu_signals(void) #endif } -static void qemu_kvm_eat_signals(CPUState *env) -{ - struct timespec ts = { 0, 0 }; - siginfo_t siginfo; - sigset_t waitset; - sigset_t chkset; - int r; - - sigemptyset(&waitset); - sigaddset(&waitset, SIG_IPI); - sigaddset(&waitset, SIGBUS); - - do { - r = sigtimedwait(&waitset, &siginfo, &ts); - if (r == -1 && !(errno == EAGAIN || errno == EINTR)) { - perror("sigtimedwait"); - exit(1); - } - - switch (r) { - case SIGBUS: - if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr)) { - sigbus_reraise(); - } - break; - default: - break; - } - - r = sigpending(&chkset); - if (r == -1) { - perror("sigpending"); - exit(1); - } - } while (sigismember(&chkset, SIG_IPI) || sigismember(&chkset, SIGBUS)); - -#ifndef CONFIG_IOTHREAD - if (sigismember(&chkset, SIGIO) || sigismember(&chkset, SIGALRM)) { - qemu_notify_event(); - } -#endif -} - #else /* _WIN32 */ HANDLE qemu_event_handle; @@ -526,10 +530,6 @@ static void qemu_event_increment(void) } } -static void qemu_kvm_eat_signals(CPUState *env) -{ -} - static int qemu_signal_init(void) { return 0; |