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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <unistd.h>
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#include <sysdep.h>
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#include <alloca.h>
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#include <sys/syscall.h>
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#include <bp-checks.h>
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extern int __syscall_execve (const char *__unbounded file,
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char *__unbounded const *__unbounded argv,
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char *__unbounded const *__unbounded envp);
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extern void __pthread_kill_other_threads_np (void);
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weak_extern (__pthread_kill_other_threads_np)
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int
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__execve (file, argv, envp)
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const char *file;
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char *const argv[];
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char *const envp[];
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{
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/* If this is a threaded application kill all other threads. */
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if (__pthread_kill_other_threads_np)
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__pthread_kill_other_threads_np ();
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#if __BOUNDED_POINTERS__
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{
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char *const *v;
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int i;
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char *__unbounded *__unbounded ubp_argv;
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char *__unbounded *__unbounded ubp_envp;
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char *__unbounded *__unbounded ubp_v;
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for (v = argv; *v; v++)
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;
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i = v - argv + 1;
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ubp_argv = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_argv) * i);
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for (v = argv, ubp_v = ubp_argv; --i; v++, ubp_v++)
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*ubp_v = CHECK_STRING (*v);
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*ubp_v = 0;
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for (v = envp; *v; v++)
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;
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i = v - envp + 1;
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ubp_envp = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_envp) * i);
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for (v = envp, ubp_v = ubp_envp; --i; v++, ubp_v++)
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*ubp_v = CHECK_STRING (*v);
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*ubp_v = 0;
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return INLINE_SYSCALL (execve, 3, CHECK_STRING (file), ubp_argv, ubp_envp);
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}
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#else
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return INLINE_SYSCALL (execve, 3, file, argv, envp);
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#endif
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}
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weak_alias (__execve, execve)
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