106 строки
2.4 KiB
C
106 строки
2.4 KiB
C
/* -*- C -*-
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*
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* $HEADER$
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*
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* A test to trap user signals
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*/
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#include "orte_config.h"
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#include <stdio.h>
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#include <signal.h>
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#include "orte/util/name_fns.h"
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#include "orte/util/proc_info.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/runtime/runtime.h"
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/* yeah, we know it isn't safe to call fprintf inside signal handlers,
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* but this is good enough for this test
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*/
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void sigusr_handler(int signum)
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{
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switch (signum) {
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case SIGUSR1:
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fprintf(stderr, "%s Trapped SIGUSR1\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
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break;
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case SIGUSR2:
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fprintf(stderr, "%s Trapped SIGUSR2\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
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return;
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default:
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fprintf(stderr, "%s Undefined signal %d trapped\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), signum);
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return;
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}
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}
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void exit_handler(int signum)
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{
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int rc;
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switch (signum) {
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case SIGINT:
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fprintf(stderr, "%s Trapped SIGINT\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
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break;
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case SIGHUP:
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fprintf(stderr, "%s Trapped SIGHUP\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
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break;
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case SIGTERM:
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fprintf(stderr, "%s Trapped SIGTERM\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
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break;
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default:
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fprintf(stderr, "%s Undefined signal %d trapped\n", ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), signum);
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break;
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}
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exit(1);
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}
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int main(int argc, char* argv[])
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{
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int rc;
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int i;
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double pi;
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orte_init(&argc, &argv, ORTE_PROC_TOOL);
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if (signal(SIGUSR1, sigusr_handler) == SIG_IGN) {
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fprintf(stderr, "Could not setup signal trap for SIGUSR1\n");
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exit(1);
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}
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if (signal(SIGUSR2, sigusr_handler) == SIG_IGN) {
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fprintf(stderr, "Could not setup signal trap for SIGUSR2\n");
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exit(1);
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}
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if (signal(SIGINT, exit_handler) == SIG_IGN) {
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fprintf(stderr, "Could not setup signal trap for SIGINT\n");
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exit(1);
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}
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if (signal(SIGHUP, exit_handler) == SIG_IGN) {
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fprintf(stderr, "Could not setup signal trap for SIGHUP\n");
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exit(1);
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}
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if (signal(SIGTERM, exit_handler) == SIG_IGN) {
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fprintf(stderr, "Could not setup signal trap for SIGTERM\n");
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exit(1);
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}
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i = 0;
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while (1) {
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i++;
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pi = i / 3.14159256;
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if (i > 100) i = 0;
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}
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return 0;
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}
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