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freebsd/lib/libkse/thread/thr_execve.c

64 lines
2.2 KiB
C

/*
* Copyright (C) 2004 Daniel Eischen <deischen@freebsd.org>
* All rights reserved.
*
* 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(s), this list of conditions and the following disclaimer as
* the first lines of this file unmodified other than the possible
* addition of one or more copyright notices.
* 2. Redistributions in binary form must reproduce the above copyright
* notice(s), this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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.
*
* $FreeBSD$
*/
#include <errno.h>
#include <pthread.h>
#include <unistd.h>
#include "thr_private.h"
__weak_reference(_execve, execve);
int
_execve(const char *name, char *const *argv, char *const *envp)
{
struct kse_execve_args args;
struct pthread *curthread = _get_curthread();
int ret;
if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM)
ret = __sys_execve(name, argv, envp);
else {
/*
* When exec'ing, set the kernel signal mask to the thread's
* signal mask to satisfy POSIX requirements.
*/
args.sigmask = curthread->sigmask;
args.sigpend = curthread->sigpend;
args.path = (char *)name;
args.argv = (char **)argv;
args.envp = (char **)envp;
args.reserved = NULL;
ret = kse_thr_interrupt(NULL, KSE_INTR_EXECVE, (long)&args);
}
return (ret);
}