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openSUSE:Leap:42.1
systemd
0009-core-clean-up-signal-reset-logic-when-reex...
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File 0009-core-clean-up-signal-reset-logic-when-reexec.patch of Package systemd
From 9bfcda9528636914aef3e0ab91191bb81654c83d Mon Sep 17 00:00:00 2001 From: Lennart Poettering <lennart@poettering.net> Date: Fri, 20 Jun 2014 16:58:21 +0200 Subject: [PATCH] core: clean-up signal reset logic when reexec There's no need to save the old sigmask, if we are going to die. Let's simplify this. Also, reset all the signal handlers, so that we don't leave SIG_IGN set for some of them across reexec. --- src/core/main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git src/core/main.c src/core/main.c index 863ba52..6981e72 100644 --- src/core/main.c +++ src/core/main.c @@ -1824,7 +1824,7 @@ finish: if (reexecute) { const char **args; unsigned i, args_size; - sigset_t ss, o_ss; + sigset_t ss; /* Close and disarm the watchdog, so that the new * instance can reinitialize it, but doesn't get @@ -1910,8 +1910,10 @@ finish: /* reenable any blocked signals, especially important * if we switch from initial ramdisk to init=... */ - sigemptyset(&ss); - sigprocmask(SIG_SETMASK, &ss, &o_ss); + reset_all_signal_handlers(); + + assert_se(sigemptyset(&ss) == 0); + assert_se(sigprocmask(SIG_SETMASK, &ss, NULL) == 0); if (switch_root_init) { args[0] = switch_root_init; @@ -1931,8 +1933,6 @@ finish: log_error("Failed to execute /bin/sh, giving up: %m"); } else log_warning("Failed to execute /sbin/init, giving up: %m"); - - sigprocmask(SIG_SETMASK, &o_ss, NULL); } if (arg_serialization) { -- 1.7.9.2
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