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erlang
0501-fix-Handle-SIGUSR1-even-under-B-i-B-d.patch
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File 0501-fix-Handle-SIGUSR1-even-under-B-i-B-d.patch of Package erlang
From 4a67224b9396a5aacb9c90d52e4ec769cd92a629 Mon Sep 17 00:00:00 2001 From: Jonathan Klabunde Tomer <jkt@fb.com> Date: Thu, 25 Feb 2021 14:44:59 -0800 Subject: [PATCH 1/2] fix: Handle SIGUSR1 even under +B i / +B d The OTP documentation states that SIGUSR1 causes a crash dump unconditionally. However, under +B i or +B d, the call to install the SIGUSR1 handler was not made before this change, causing SIGUSR1 to kill process immediately instead. --- erts/emulator/sys/unix/sys.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 7ddfed7d25..be98b244e5 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -677,9 +677,6 @@ void erts_replace_intr(void) { void init_break_handler(void) { sys_signal(SIGINT, request_break); -#ifndef ETHR_UNUSABLE_SIGUSRX - sys_signal(SIGUSR1, generic_signal_handler); -#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ sys_signal(SIGQUIT, generic_signal_handler); } @@ -694,6 +691,9 @@ void erts_sys_unix_later_init(void) { sys_signal(SIGTERM, generic_signal_handler); +#ifndef ETHR_UNUSABLE_SIGUSRX + sys_signal(SIGUSR1, generic_signal_handler); +#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ /* Ignore SIGCHLD to ensure orphaned processes don't turn into zombies on * death when we're pid 1. */ -- 2.26.2
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