diff options
Diffstat (limited to 'source4/lib')
| -rw-r--r-- | source4/lib/util/config.mk | 6 | ||||
| -rw-r--r-- | source4/lib/util/pidfile.c | 125 |
2 files changed, 1 insertions, 130 deletions
diff --git a/source4/lib/util/config.mk b/source4/lib/util/config.mk index 5e49eb839a..5d3e2cc4ca 100644 --- a/source4/lib/util/config.mk +++ b/source4/lib/util/config.mk @@ -28,13 +28,9 @@ OBJ_FILES = xfile.o \ idtree.o \ module.o PUBLIC_DEPENDENCIES = \ - LIBCRYPTO LIBTALLOC \ + LIBTALLOC LIBCRYPTO \ SOCKET_WRAPPER EXT_NSL -[SUBSYSTEM::PIDFILE] -PRIVATE_PROTO_HEADER = pidfile.h -OBJ_FILES = pidfile.o - [SUBSYSTEM::UNIX_PRIVS] PRIVATE_PROTO_HEADER = unix_privs.h OBJ_FILES = unix_privs.o diff --git a/source4/lib/util/pidfile.c b/source4/lib/util/pidfile.c deleted file mode 100644 index dc9ecafae9..0000000000 --- a/source4/lib/util/pidfile.c +++ /dev/null @@ -1,125 +0,0 @@ -/* this code is broken - there is a race condition with the unlink (tridge) */ - -/* - Unix SMB/CIFS implementation. - pidfile handling - Copyright (C) Andrew Tridgell 1998 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -#include "system/filesys.h" - -#ifndef O_NONBLOCK -#define O_NONBLOCK -#endif - -/** - * @file - * @brief Pid file handling - */ - -/** - * return the pid in a pidfile. return 0 if the process (or pidfile) - * does not exist - */ -_PUBLIC_ pid_t pidfile_pid(const char *name) -{ - int fd; - char pidstr[20]; - pid_t ret; - char *pidFile; - - asprintf(&pidFile, "%s/%s.pid", lp_piddir(), name); - - fd = open(pidFile, O_NONBLOCK | O_RDONLY, 0644); - - if (fd == -1) { - SAFE_FREE(pidFile); - return 0; - } - - ZERO_STRUCT(pidstr); - - if (read(fd, pidstr, sizeof(pidstr)-1) <= 0) { - goto noproc; - } - - ret = (pid_t)atoi(pidstr); - - if (!process_exists(ret)) { - goto noproc; - } - - if (fcntl_lock(fd,F_SETLK,0,1,F_RDLCK)) { - /* we could get the lock - it can't be a Samba process */ - goto noproc; - } - - close(fd); - SAFE_FREE(pidFile); - return ret; - - noproc: - close(fd); - unlink(pidFile); - SAFE_FREE(pidFile); - return 0; -} - -/** - * create a pid file in the pid directory. open it and leave it locked - */ -void pidfile_create(const char *name) -{ - int fd; - char buf[20]; - char *pidFile; - pid_t pid; - - asprintf(&pidFile, "%s/%s.pid", lp_piddir(), name); - - pid = pidfile_pid(name); - if (pid != 0) { - DEBUG(0,("ERROR: %s is already running. File %s exists and process id %d is running.\n", - name, pidFile, (int)pid)); - exit(1); - } - - fd = open(pidFile, O_NONBLOCK | O_CREAT | O_WRONLY | O_EXCL, 0644); - if (fd == -1) { - DEBUG(0,("ERROR: can't open %s: Error was %s\n", pidFile, - strerror(errno))); - exit(1); - } - - if (fcntl_lock(fd,F_SETLK,0,1,F_WRLCK)==False) { - DEBUG(0,("ERROR: %s : fcntl lock of file %s failed. Error was %s\n", - name, pidFile, strerror(errno))); - exit(1); - } - - memset(buf, 0, sizeof(buf)); - slprintf(buf, sizeof(buf) - 1, "%u\n", (unsigned int) getpid()); - if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf)) { - DEBUG(0,("ERROR: can't write to file %s: %s\n", - pidFile, strerror(errno))); - exit(1); - } - - /* Leave pid file open & locked for the duration... */ - SAFE_FREE(pidFile); -} |