mirror of https://gitlab.com/QEF/q-e.git
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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#if defined(__TRAP_SIGUSR1) || defined(__TERMINATE_GRACEFULLY)
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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int init_signal(int signum, void (*new_handler)(int))
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{
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static struct sigaction action;
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action.sa_handler = new_handler;
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// Don't block anything.
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// Not sure if it's the correct behavior (or even if there is one)
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sigemptyset(&action.sa_mask);
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// This will probably make MPI happy
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action.sa_flags = SA_RESTART;
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return sigaction(signum, &action, NULL);
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}
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int init_signal_USR1(void (*new_handler)(int))
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{
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return init_signal(SIGUSR1, new_handler);
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}
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int init_TERMINATE_GRACEFULLY(void (*new_handler)(int))
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{
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int fail;
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fail = init_signal(SIGTERM, new_handler);
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if(fail) return -SIGTERM;
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fail = init_signal(SIGINT, new_handler);
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if(fail) return -SIGINT;
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fail = init_signal(SIGUSR1, new_handler);
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if(fail) return -SIGUSR1;
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fail = init_signal(SIGUSR2, new_handler);
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if(fail) return -SIGUSR2;
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fail = init_signal(SIGXCPU, new_handler);
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if(fail) return -SIGXCPU;
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return 0;
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}
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#else
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void dummy ( ) { }
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#endif
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