mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
2d14207c98
Merge the actual implementations of getexecname() and slightly clean up the FreeBSD one. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #11879
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License, Version 1.0 only
|
|
* (the "License"). You may not use this file except in compliance
|
|
* with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
|
|
#include <limits.h>
|
|
#include <pthread.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include "libspl_impl.h"
|
|
|
|
|
|
const char *
|
|
getexecname(void)
|
|
{
|
|
static char execname[PATH_MAX + 1] = "";
|
|
static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
|
|
|
|
char *ptr = execname;
|
|
ssize_t rc;
|
|
|
|
(void) pthread_mutex_lock(&mtx);
|
|
|
|
if (strlen(execname) == 0) {
|
|
rc = getexecname_impl(execname);
|
|
if (rc == -1) {
|
|
execname[0] = '\0';
|
|
ptr = NULL;
|
|
} else {
|
|
execname[rc] = '\0';
|
|
}
|
|
}
|
|
|
|
(void) pthread_mutex_unlock(&mtx);
|
|
return (ptr);
|
|
}
|