2 * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
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36 RCSID("$Id: write_pid.c,v 1.6 2001/09/02 23:58:15 assar Exp $");
40 #include <sys/types.h>
47 pid_file_write (const char *progname)
52 asprintf (&ret, "%s%s.pid", _PATH_VARRUN, progname);
55 fp = fopen (ret, "w");
60 fprintf (fp, "%u", (unsigned)getpid());
66 pid_file_delete (char **filename)
68 if (*filename != NULL) {
76 static char *pidfile_path;
81 if(pidfile_path != NULL)
82 pid_file_delete(&pidfile_path);
86 pidfile(const char *basename)
88 if(pidfile_path != NULL)
91 basename = getprogname();
92 pidfile_path = pid_file_write(basename);
93 #if defined(HAVE_ATEXIT)
94 atexit(pidfile_cleanup);
95 #elif defined(HAVE_ON_EXIT)
96 on_exit(pidfile_cleanup);