mirror of https://github.com/BOINC/boinc.git
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
static volatile const char *BOINCrcsid="$Id$";
|
|
// The contents of this file are subject to the BOINC Public License
|
|
// Version 1.0 (the "License"); you may not use this file except in
|
|
// compliance with the License. You may obtain a copy of the License at
|
|
// http://boinc.berkeley.edu/license_1.0.txt
|
|
//
|
|
// Software distributed under the License is distributed on an "AS IS"
|
|
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
|
// License for the specific language governing rights and limitations
|
|
// under the License.
|
|
//
|
|
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
|
|
//
|
|
// The Initial Developer of the Original Code is the SETI@home project.
|
|
// Portions created by the SETI@home project are Copyright (C) 2002
|
|
// University of California at Berkeley. All Rights Reserved.
|
|
//
|
|
// Contributor(s):
|
|
//
|
|
|
|
using namespace std;
|
|
|
|
#include <cstdlib>
|
|
#include <csignal>
|
|
#include <unistd.h>
|
|
|
|
#include "filesys.h"
|
|
#include "error_numbers.h"
|
|
#include "sched_msgs.h"
|
|
#include "sched_util.h"
|
|
|
|
#ifdef _USING_FCGI_
|
|
#include "fcgi_stdio.h"
|
|
#endif
|
|
|
|
const char* STOP_DAEMONS_FILENAME = "../stop_daemons";
|
|
// NOTE: this must be same as in the "start" script
|
|
const char* STOP_SCHED_FILENAME = "../stop_sched";
|
|
// NOTE: this must be same as in the "start" script
|
|
const int STOP_SIGNAL = SIGHUP;
|
|
// NOTE: this must be same as in the "start" script
|
|
|
|
void write_pid_file(const char* filename) {
|
|
FILE* fpid = fopen(filename, "w");
|
|
if (!fpid) {
|
|
log_messages.printf(SCHED_MSG_LOG::NORMAL, "Couldn't write pid\n");
|
|
return;
|
|
}
|
|
fprintf(fpid, "%d\n", (int)getpid());
|
|
fclose(fpid);
|
|
}
|
|
|
|
// caught_sig_int will be set to true if SIGINT is caught.
|
|
bool caught_stop_signal = false;
|
|
static void stop_signal_handler(int) {
|
|
fprintf(stderr, "GOT STOP SIGNAL\n");
|
|
caught_stop_signal = true;
|
|
}
|
|
|
|
void install_stop_signal_handler() {
|
|
signal(STOP_SIGNAL, stop_signal_handler);
|
|
// handler is now default again so hitting ^C again will kill the program.
|
|
}
|
|
|
|
void check_stop_daemons() {
|
|
if (caught_stop_signal) {
|
|
log_messages.printf(SCHED_MSG_LOG::CRITICAL, "Quitting due to SIGINT\n");
|
|
exit(0);
|
|
}
|
|
if (boinc_file_exists(STOP_DAEMONS_FILENAME)) {
|
|
log_messages.printf(SCHED_MSG_LOG::NORMAL, "Quitting due to stop trigger\n");
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
bool check_stop_sched() {
|
|
return boinc_file_exists(STOP_SCHED_FILENAME);
|
|
}
|
|
|
|
// try to open a file.
|
|
// On failure:
|
|
// return ERR_FOPEN if the dir is there but not file
|
|
// (this is generally a nonrecoverable failure)
|
|
// return ERR_OPENDIR if dir is not there.
|
|
// (this is generally a recoverable error,
|
|
// like NFS mount failure, that may go away later)
|
|
//
|
|
int try_fopen(char* path, FILE*& f, char* mode) {
|
|
char* p;
|
|
DIR* d;
|
|
char dirpath[256];
|
|
|
|
f = fopen(path, mode);
|
|
if (!f) {
|
|
memset(dirpath, '\0', sizeof(dirpath));
|
|
p = strrchr(path, '/');
|
|
if (p) {
|
|
strncpy(dirpath, path, (int)(p-path));
|
|
} else {
|
|
strcpy(dirpath, ".");
|
|
}
|
|
if ((d = opendir(dirpath)) == NULL) {
|
|
return ERR_OPENDIR;
|
|
} else {
|
|
closedir(d);
|
|
return ERR_FOPEN;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|