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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-12-16 23:53:23 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-12-18 00:52:41 -0500
commitee05e7795bb9ad7d1212dd49ad362f3e9603c4fd (patch)
tree54b417af3285979aef08af98d50e81b851c9b256 /test
parent503dbda6d94c16161762b7b489677a377f235590 (diff)
core: use raw_clone instead of fork in signal handler
fork() is not async-signal-safe and calling it from the signal handler could result in a deadlock when at_fork() handlers are called. Using the raw clone() syscall sidesteps that problem. The tricky part is that raise() does not work, since getpid() does not work. Add raw_getpid() to get the real pid, and use kill() instead of raise(). https://bugs.freedesktop.org/show_bug.cgi?id=86604
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