signal.c: prefer pthread_sigmask
* signal.c (raise_stack_overflow): prefer pthread_sigmask to sigprocmask, for multithreading. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58361 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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signal.c
14
signal.c
@ -773,18 +773,24 @@ NORETURN(void ruby_thread_stack_overflow(rb_thread_t *th));
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# define USE_UCONTEXT_REG 1
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# define USE_UCONTEXT_REG 1
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# endif
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# endif
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NORETURN(static void raise_stack_overflow(int sig, rb_thread_t *th));
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NORETURN(static void raise_stack_overflow(int sig, rb_thread_t *th));
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#if defined(HAVE_PTHREAD_SIGMASK)
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# define ruby_sigunmask pthread_sigmask
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#elif defined(HAVE_SIGPROCMASK)
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# define ruby_sigunmask sigprocmask
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#endif
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static void
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static void
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raise_stack_overflow(int sig, rb_thread_t *th)
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raise_stack_overflow(int sig, rb_thread_t *th)
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{
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{
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#ifdef HAVE_SIGPROCMASK
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#if defined(ruby_sigunmask)
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sigset_t mask;
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sigset_t mask;
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#endif
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#endif
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clear_received_signal();
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clear_received_signal();
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#ifdef HAVE_SIGPROCMASK
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#if defined(ruby_sigunmask)
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sigemptyset(&mask);
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sigemptyset(&mask);
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sigaddset(&mask, sig);
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sigaddset(&mask, sig);
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if (sigprocmask(SIG_UNBLOCK, &mask, NULL))
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if (ruby_sigunmask(SIG_UNBLOCK, &mask, NULL)) {
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rb_bug_errno("sigprocmask:set", errno);
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rb_bug_errno(STRINGIZE(ruby_sigunmask)":unblock", errno);
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}
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#endif
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#endif
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ruby_thread_stack_overflow(th);
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ruby_thread_stack_overflow(th);
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}
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}
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