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Feature #9345 ยป 0001-signal.c-avoid-repeatedly-disable-enable-interrupt-a.patch

normalperson (Eric Wong), 01/03/2014 07:26 AM

View differences:

signal.c
{
sighandler_t old;
/* At this time, there is no subthread. Then sigmask guarantee atomics. */
rb_disable_interrupt();
old = ruby_signal(signum, handler);
/* signal handler should be inherited during exec. */
if (old != SIG_DFL) {
ruby_signal(signum, old);
}
rb_enable_interrupt();
}
#if defined(SIGCLD) || defined(SIGCHLD)
......
{
sighandler_t oldfunc;
rb_disable_interrupt();
oldfunc = ruby_signal(sig, SIG_DFL);
if (oldfunc != SIG_DFL && oldfunc != SIG_IGN) {
ruby_signal(sig, oldfunc);
} else {
GET_VM()->trap_list[sig].cmd = 0;
}
rb_enable_interrupt();
}
#endif
......
rb_alias(rb_eSignal, rb_intern("signm"), rb_intern("message"));
rb_define_method(rb_eInterrupt, "initialize", interrupt_init, -1);
/* At this time, there is no subthread. Then sigmask guarantee atomics. */
rb_disable_interrupt();
install_sighandler(SIGINT, sighandler);
#ifdef SIGHUP
install_sighandler(SIGHUP, sighandler);
......
#elif defined(SIGCHLD)
init_sigchld(SIGCHLD);
#endif
rb_enable_interrupt();
}
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