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/* this code is broken - there is a race condition with the unlink (tridge) */
/*
Unix SMB/CIFS implementation.
pidfile handling
Copyright (C) Andrew Tridgell 1998
Copyright (C) Jeremy Allison 2012
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "system/filesys.h"
#include "../lib/util/pidfile.h"
/* Malloc a pidfile name. */
static char *get_pidfile_name(const char *program_name)
{
char *name = NULL;
/* Add a suffix to the program name if this is a process with a
* none default configuration file name. */
if (strcmp( CONFIGFILE, get_dyn_CONFIGFILE()) == 0) {
name = SMB_STRDUP(program_name);
} else {
const char *short_configfile;
short_configfile = strrchr( get_dyn_CONFIGFILE(), '/');
if (short_configfile == NULL) {
/* conf file in current directory */
short_configfile = get_dyn_CONFIGFILE();
} else {
/* full/relative path provided */
short_configfile++;
}
if (asprintf(&name, "%s-%s", program_name,
short_configfile) == -1) {
smb_panic("asprintf failed");
}
}
return name;
}
/* return the pid in a pidfile. return 0 if the process (or pidfile)
does not exist */
pid_t pidfile_pid_s3(const char *program_name)
{
pid_t pid = 0;
char *name = get_pidfile_name(program_name);
pid = pidfile_pid(lp_piddir(), name);
SAFE_FREE(name);
return pid;
}
/* create a pid file in the pid directory. open it and leave it locked */
void pidfile_create_s3(const char *program_name)
{
char *name = get_pidfile_name(program_name);
pidfile_create(lp_piddir(), name);
SAFE_FREE(name);
}
/* Remove a pidfile. */
void pidfile_unlink_s3(const char *program_name)
{
char *name = get_pidfile_name(program_name);
pidfile_unlink(lp_piddir(), name);
SAFE_FREE(name);
}
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