Cross Reference: /openjdk7/hotspot/src/os/linux/vm/os

Lines Matching defs:sig
527 bool os::Linux::is_sig_ignored(int sig) {
529       sigaction(sig, (struct sigaction*)NULL, &oact);
2306 static void print_signal_handler(outputStream* st, int sig,
2421 UserHandler(int sig, void *siginfo, void *context) {
2425   if (sig == SIGINT && Atomic::add(1, &sigint_count) > 1)
2430   if (sig == SIGINT && is_error_reported()) {
2434   os::signal_notify(sig);
2541 void os::signal_notify(int sig) {
2542   Atomic::inc(&pending_signals[sig]);
3755 static void SR_handler(int sig, siginfo_t* siginfo, ucontext_t* context) {
3813     int sig = ::strtol(s, 0, 10);
3814     if (sig > 0 || sig < _NSIG) {
3815         SR_signum = sig;
4003 void signalHandler(int sig, siginfo_t* info, void* uc) {
4005   JVM_handle_linux_signal(sig, info, uc, true);
4020 struct sigaction* os::Linux::get_chained_signal_action(int sig) {
4025     actp = (*get_signal_action)(sig);
4029     actp = get_preinstalled_handler(sig);
4035 static bool call_chained_handler(struct sigaction *actp, int sig,
4045       sigaddset(&(actp->sa_mask), sig);
4068       (*sa)(sig, siginfo, context);
4070       (*hand)(sig);
4080 bool os::Linux::chained_handler(int sig, siginfo_t* siginfo, void* context) {
4084     struct sigaction *actp = get_chained_signal_action(sig);
4086       chained = call_chained_handler(actp, sig, siginfo, context);
4092 struct sigaction* os::Linux::get_preinstalled_handler(int sig) {
4093   if ((( (unsigned int)1 << sig ) & sigs) != 0) {
4094     return &sigact[sig];
4099 void os::Linux::save_preinstalled_handler(int sig, struct sigaction& oldAct) {
4100   assert(sig > 0 && sig < MAXSIGNUM, "vm signal out of expected range");
4101   sigact[sig] = oldAct;
4102   sigs |= (unsigned int)1 << sig;
4108 int os::Linux::get_our_sigflags(int sig) {
4109   assert(sig > 0 && sig < MAXSIGNUM, "vm signal out of expected range");
4110   return sigflags[sig];
4113 void os::Linux::set_our_sigflags(int sig, int flags) {
4114   assert(sig > 0 && sig < MAXSIGNUM, "vm signal out of expected range");
4115   sigflags[sig] = flags;
4118 void os::Linux::set_signal_handler(int sig, bool set_installed) {
4121   sigaction(sig, (struct sigaction*)NULL, &oldAct);
4134       save_preinstalled_handler(sig, oldAct);
4139                     "%#lx for signal %d.", (long)oldhand, sig));
4153   assert(sig > 0 && sig < MAXSIGNUM, "vm signal out of expected range");
4154   sigflags[sig] = sigAct.sa_flags;
4156   int ret = sigaction(sig, &sigAct, &oldAct);
4266 static void print_signal_handler(outputStream* st, int sig,
4270   sigaction(sig, NULL, &sa);
4275   st->print("%s: ", os::exception_name(sig, buf, buflen));
4291   address rh = VMError::get_resetted_sighandler(sig);
4295     sa.sa_flags = VMError::get_resetted_sigflags(sig) & SIGNIFICANT_SIGNAL_MASK;
4305     if((int)sa.sa_flags != os::Linux::get_our_sigflags(sig)) {
4308                 os::Linux::get_our_sigflags(sig));
4315 #define DO_SIGNAL_CHECK(sig) \
4316   if (!sigismember(&check_signal_done, sig)) \
4317     os::Linux::check_signal_handler(sig)
4355 void os::Linux::check_signal_handler(int sig) {
4367   os_sigaction(sig, (struct sigaction*)NULL, &act);
4377   switch(sig) {
4399     if (sig == SR_signum) {
4408     tty->print("Warning: %s handler ", exception_name(sig, buf, O_BUFLEN));
4411     // No need to check this sig any longer
4412     sigaddset(&check_signal_done, sig);
4413   } else if(os::Linux::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Linux::get_our_sigflags(sig)) {
4414     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
4415     tty->print("expected:" PTR32_FORMAT, os::Linux::get_our_sigflags(sig));
4417     // No need to check this sig any longer
4418     sigaddset(&check_signal_done, sig);
4422   if (sigismember(&check_signal_done, sig)) {