diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/write_pid.c')
-rw-r--r-- | crypto/heimdal/lib/roken/write_pid.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/write_pid.c b/crypto/heimdal/lib/roken/write_pid.c new file mode 100644 index 0000000..7d4fa24 --- /dev/null +++ b/crypto/heimdal/lib/roken/write_pid.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: write_pid.c,v 1.4 2000/08/04 11:19:41 joda Exp $"); +#endif + +#include <stdio.h> +#include <sys/types.h> +#include <unistd.h> +#include <roken.h> + +#include "roken.h" + +char * +pid_file_write (const char *progname) +{ + FILE *fp; + char *ret; + + asprintf (&ret, "%s%s.pid", _PATH_VARRUN, progname); + if (ret == NULL) + return NULL; + fp = fopen (ret, "w"); + if (fp == NULL) { + free (ret); + return NULL; + } + fprintf (fp, "%u", (unsigned)getpid()); + fclose (fp); + return ret; +} + +void +pid_file_delete (char **filename) +{ + if (*filename != NULL) { + unlink (*filename); + free (*filename); + *filename = NULL; + } +} + +#ifndef HAVE_PIDFILE +static char *pidfile_path; + +static void +pidfile_cleanup(void) +{ + if(pidfile_path != NULL) + pid_file_delete(&pidfile_path); +} + +void +pidfile(const char *basename) +{ + if(pidfile_path != NULL) + return; + if(basename == NULL) + basename = __progname; + pidfile_path = pid_file_write(basename); + atexit(pidfile_cleanup); +} +#endif |