1/* 2 * Copyright (C) 2004 Daniel Eischen <deischen@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice(s), this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified other than the possible 11 * addition of one or more copyright notices. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice(s), this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32#include "namespace.h" 33#include <errno.h> 34#include <pthread.h> 35#include <unistd.h> 36#include "un-namespace.h" 37#include "thr_private.h" 38 39__weak_reference(_execve, execve); 40 41int 42_execve(const char *name, char *const *argv, char *const *envp) 43{ 44 struct kse_execve_args args; 45 struct pthread *curthread = _get_curthread(); 46 int ret; 47 48 if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM) 49 ret = __sys_execve(name, argv, envp); 50 else { 51 /* 52 * When exec'ing, set the kernel signal mask to the thread's 53 * signal mask to satisfy POSIX requirements. 54 */ 55 args.sigmask = curthread->sigmask; 56 args.sigpend = curthread->sigpend; 57 args.path = (char *)name; 58 args.argv = (char **)argv; 59 args.envp = (char **)envp; 60 args.reserved = NULL; 61 ret = kse_thr_interrupt(NULL, KSE_INTR_EXECVE, (long)&args); 62 } 63 64 return (ret); 65} 66