diff options
Diffstat (limited to 'net/pfflowd/files/pidfile.c')
-rw-r--r-- | net/pfflowd/files/pidfile.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/net/pfflowd/files/pidfile.c b/net/pfflowd/files/pidfile.c deleted file mode 100644 index 61eca26..0000000 --- a/net/pfflowd/files/pidfile.c +++ /dev/null @@ -1,121 +0,0 @@ -/* $OpenBSD: pidfile.c,v 1.5 2002/05/26 09:29:02 deraadt Exp $ */ -/* $NetBSD: pidfile.c,v 1.4 2001/02/19 22:43:42 cgd Exp $ */ - -/*- - * Copyright (c) 1999 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Jason R. Thorpe. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$OpenBSD: pidfile.c,v 1.5 2002/05/26 09:29:02 deraadt Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/param.h> -#include <errno.h> -#include <paths.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#if defined(__FreeBSD__) -#include "pidfile.h" -#else -#include <util.h> -#endif - -static char *pidfile_path; -static pid_t pidfile_pid; - -static void pidfile_cleanup(void); - -extern char *__progname; - -int -pidfile(const char *basename) -{ - FILE *f; - int save_errno; - pid_t pid; - - if (basename == NULL) - basename = __progname; - - if (pidfile_path != NULL) { - free(pidfile_path); - pidfile_path = NULL; - } - - /* _PATH_VARRUN includes trailing / */ - (void) asprintf(&pidfile_path, "%s%s.pid", _PATH_VARRUN, basename); - if (pidfile_path == NULL) - return (-1); - - if ((f = fopen(pidfile_path, "w")) == NULL) { - save_errno = errno; - free(pidfile_path); - pidfile_path = NULL; - errno = save_errno; - return (-1); - } - - pid = getpid(); - if (fprintf(f, "%ld\n", (long)pid) <= 0 || fclose(f) != 0) { - save_errno = errno; - (void) unlink(pidfile_path); - free(pidfile_path); - pidfile_path = NULL; - errno = save_errno; - return (-1); - } - - pidfile_pid = pid; - if (atexit(pidfile_cleanup) < 0) { - save_errno = errno; - (void) unlink(pidfile_path); - free(pidfile_path); - pidfile_path = NULL; - pidfile_pid = 0; - errno = save_errno; - return (-1); - } - - return (0); -} - -static void -pidfile_cleanup(void) -{ - - if (pidfile_path != NULL && pidfile_pid == getpid()) - (void) unlink(pidfile_path); -} |