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.
13 * 2. Redistributions in binary form must reproduce the above copyright
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
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 ROKEN_LIB_FUNCTION
char * ROKEN_LIB_CALL
39 pid_file_write (const char *progname
)
44 if (asprintf (&ret
, "%s%s.pid", _PATH_VARRUN
, progname
) < 0 || ret
== NULL
)
46 fp
= fopen (ret
, "w");
51 fprintf (fp
, "%u", (unsigned)getpid());
56 ROKEN_LIB_FUNCTION
void ROKEN_LIB_CALL
57 pid_file_delete (char **filename
)
59 if (*filename
!= NULL
) {
67 static char *pidfile_path
;
72 if(pidfile_path
!= NULL
)
73 pid_file_delete(&pidfile_path
);
76 ROKEN_LIB_FUNCTION
void ROKEN_LIB_CALL
77 pidfile(const char *basename
)
79 if(pidfile_path
!= NULL
)
82 basename
= getprogname();
83 pidfile_path
= pid_file_write(basename
);
84 #if defined(HAVE_ATEXIT)
85 atexit(pidfile_cleanup
);
86 #elif defined(HAVE_ON_EXIT)
87 on_exit(pidfile_cleanup
);