cfdd2c475b79ae016ff470c0bb04a4dd0b358bf2
1 /* Copyright (C) 2009 Pierre-Marc Fournier
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "share/usterr.h"
24 extern void ust_fork(void);
25 extern void ust_potential_exec(void);
29 static pid_t (*plibc_func
)(void) = NULL
;
33 if(plibc_func
== NULL
) {
34 plibc_func
= dlsym(RTLD_NEXT
, "fork");
35 if(plibc_func
== NULL
) {
36 fprintf(stderr
, "libcwrap: unable to find fork\n");
41 retval
= plibc_func();
49 int execve(const char *filename
, char *const argv
[], char *const envp
[])
51 static int (*plibc_func
)(const char *filename
, char *const argv
[], char *const envp
[]) = NULL
;
55 if(plibc_func
== NULL
) {
56 plibc_func
= dlsym(RTLD_NEXT
, "execve");
57 if(plibc_func
== NULL
) {
58 fprintf(stderr
, "libcwrap: unable to find execve\n");
65 retval
= plibc_func(filename
, argv
, envp
);
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