3345     sigaddset(&check_signal_done, sig);
3346     // Running under non-interactive shell, SHUTDOWN2_SIGNAL will be reassigned SIG_IGN
3347     if (sig == SHUTDOWN2_SIGNAL && !isatty(fileno(stdin))) {
3348       tty->print_cr("Running in non-interactive shell, %s handler is replaced by shell",
3349                     exception_name(sig, buf, O_BUFLEN));
3350     }
3351   } else if (os::Aix::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Aix::get_our_sigflags(sig)) {
3352     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
3353     tty->print("expected:" PTR32_FORMAT, os::Aix::get_our_sigflags(sig));
3354     tty->print_cr("  found:" PTR32_FORMAT, act.sa_flags);
3355     // No need to check this sig any longer
3356     sigaddset(&check_signal_done, sig);
3357   }
3358 
3359   // Dump all the signal
3360   if (sigismember(&check_signal_done, sig)) {
3361     print_signal_handlers(tty, buf, O_BUFLEN);
3362   }
3363 }
3364 
3365 extern bool signal_name(int signo, char* buf, size_t len);
3366 
3367 const char* os::exception_name(int exception_code, char* buf, size_t size) {
3368   if (0 < exception_code && exception_code <= SIGRTMAX) {
3369     // signal
3370     if (!signal_name(exception_code, buf, size)) {
3371       jio_snprintf(buf, size, "SIG%d", exception_code);
3372     }
3373     return buf;
3374   } else {
3375     return NULL;
3376   }
3377 }
3378 
3379 // To install functions for atexit system call
3380 extern "C" {
3381   static void perfMemory_exit_helper() {
3382     perfMemory_exit();
3383   }
3384 }
3385 
3386 // This is called _before_ the most of global arguments have been parsed.
3387 void os::init(void) {
3388   // This is basic, we want to know if that ever changes.
3389   // (Shared memory boundary is supposed to be a 256M aligned.)
3390   assert(SHMLBA == ((uint64_t)0x10000000ULL)/*256M*/, "unexpected");
3391 
3392   // First off, we need to know whether we run on AIX or PASE, and
3393   // the OS level we run on.
3394   os::Aix::initialize_os_info();
3395 
3396   // Scan environment (SPEC1170 behaviour, etc).
3397   os::Aix::scan_environment();
3398 

3345     sigaddset(&check_signal_done, sig);
3346     // Running under non-interactive shell, SHUTDOWN2_SIGNAL will be reassigned SIG_IGN
3347     if (sig == SHUTDOWN2_SIGNAL && !isatty(fileno(stdin))) {
3348       tty->print_cr("Running in non-interactive shell, %s handler is replaced by shell",
3349                     exception_name(sig, buf, O_BUFLEN));
3350     }
3351   } else if (os::Aix::get_our_sigflags(sig) != 0 && (int)act.sa_flags != os::Aix::get_our_sigflags(sig)) {
3352     tty->print("Warning: %s handler flags ", exception_name(sig, buf, O_BUFLEN));
3353     tty->print("expected:" PTR32_FORMAT, os::Aix::get_our_sigflags(sig));
3354     tty->print_cr("  found:" PTR32_FORMAT, act.sa_flags);
3355     // No need to check this sig any longer
3356     sigaddset(&check_signal_done, sig);
3357   }
3358 
3359   // Dump all the signal
3360   if (sigismember(&check_signal_done, sig)) {
3361     print_signal_handlers(tty, buf, O_BUFLEN);
3362   }
3363 }
3364 














3365 // To install functions for atexit system call
3366 extern "C" {
3367   static void perfMemory_exit_helper() {
3368     perfMemory_exit();
3369   }
3370 }
3371 
3372 // This is called _before_ the most of global arguments have been parsed.
3373 void os::init(void) {
3374   // This is basic, we want to know if that ever changes.
3375   // (Shared memory boundary is supposed to be a 256M aligned.)
3376   assert(SHMLBA == ((uint64_t)0x10000000ULL)/*256M*/, "unexpected");
3377 
3378   // First off, we need to know whether we run on AIX or PASE, and
3379   // the OS level we run on.
3380   os::Aix::initialize_os_info();
3381 
3382   // Scan environment (SPEC1170 behaviour, etc).
3383   os::Aix::scan_environment();
3384