forked from lix-project/lix
Merge pull request #6995 from matthewbauer/disable-sa-restart-on-macos
Disable SA_RESTART for some signals on macOS
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commit
9600109879
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@ -181,8 +181,9 @@ void initNix()
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/* Reset SIGCHLD to its default. */
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struct sigaction act;
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sigemptyset(&act.sa_mask);
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act.sa_handler = SIG_DFL;
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act.sa_flags = 0;
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act.sa_handler = SIG_DFL;
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if (sigaction(SIGCHLD, &act, 0))
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throw SysError("resetting SIGCHLD");
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@ -194,9 +195,20 @@ void initNix()
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/* HACK: on darwin, we need can’t use sigprocmask with SIGWINCH.
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* Instead, add a dummy sigaction handler, and signalHandlerThread
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* can handle the rest. */
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struct sigaction sa;
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sa.sa_handler = sigHandler;
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if (sigaction(SIGWINCH, &sa, 0)) throw SysError("handling SIGWINCH");
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act.sa_handler = sigHandler;
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if (sigaction(SIGWINCH, &act, 0)) throw SysError("handling SIGWINCH");
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/* Disable SA_RESTART for interrupts, so that system calls on this thread
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* error with EINTR like they do on Linux.
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* Most signals on BSD systems default to SA_RESTART on, but Nix
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* expects EINTR from syscalls to properly exit. */
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act.sa_handler = SIG_DFL;
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if (sigaction(SIGINT, &act, 0)) throw SysError("handling SIGINT");
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if (sigaction(SIGTERM, &act, 0)) throw SysError("handling SIGTERM");
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if (sigaction(SIGHUP, &act, 0)) throw SysError("handling SIGHUP");
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if (sigaction(SIGPIPE, &act, 0)) throw SysError("handling SIGPIPE");
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if (sigaction(SIGQUIT, &act, 0)) throw SysError("handling SIGQUIT");
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if (sigaction(SIGTRAP, &act, 0)) throw SysError("handling SIGTRAP");
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#endif
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/* Register a SIGSEGV handler to detect stack overflows. */
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