mirror of https://github.com/BOINC/boinc.git
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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using namespace std;
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#include <stdlib.h>
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#include <csignal>
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#include <unistd.h>
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#include "sched_msgs.h"
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#include "sched_util.h"
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const char* STOP_TRIGGER_FILENAME = "../stop_servers";
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// NOTE: this be the same name as used by the "start" script
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const int STOP_SIGNAL = SIGHUP;
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// NOTE: this be the same signal as used by the "start" script
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void write_pid_file(const char* filename) {
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FILE* fpid = fopen(filename, "w");
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if (!fpid) {
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log_messages.printf(SCHED_MSG_LOG::NORMAL, "Couldn't write pid\n");
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return;
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}
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fprintf(fpid, "%d\n", (int)getpid());
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fclose(fpid);
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}
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// caught_sig_int will be set to true if SIGINT is caught.
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bool caught_stop_signal = false;
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static void stop_signal_handler(int) {
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fprintf(stderr, "GOT STOP SIGNAL\n");
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caught_stop_signal = true;
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}
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void install_stop_signal_handler() {
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signal(STOP_SIGNAL, stop_signal_handler);
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// handler is now default again so hitting ^C again will kill the program.
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}
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void check_stop_trigger() {
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if (caught_stop_signal) {
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log_messages.printf(SCHED_MSG_LOG::CRITICAL, "Quitting due to SIGINT\n");
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exit(0);
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}
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FILE* f = fopen(STOP_TRIGGER_FILENAME, "r");
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if (f) {
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log_messages.printf(SCHED_MSG_LOG::NORMAL, "Quitting due to stop trigger\n");
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exit(0);
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}
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}
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bool is_stopfile_present() {
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FILE* f = fopen(STOP_TRIGGER_FILENAME, "r");
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if (f) {
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fclose(f);
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return true;
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}
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return false;
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}
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