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- /* Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <errno.h>
- #include <unistd.h>
- #include <sysdep.h>
- #include <alloca.h>
- #include <sys/syscall.h>
- #include <bp-checks.h>
- extern int __syscall_execve (const char *__unbounded file,
- char *__unbounded const *__unbounded argv,
- char *__unbounded const *__unbounded envp);
- extern void __pthread_kill_other_threads_np (void);
- weak_extern (__pthread_kill_other_threads_np)
- int
- __execve (file, argv, envp)
- const char *file;
- char *const argv[];
- char *const envp[];
- {
- /* If this is a threaded application kill all other threads. */
- if (__pthread_kill_other_threads_np)
- __pthread_kill_other_threads_np ();
- #if __BOUNDED_POINTERS__
- {
- char *const *v;
- int i;
- char *__unbounded *__unbounded ubp_argv;
- char *__unbounded *__unbounded ubp_envp;
- char *__unbounded *__unbounded ubp_v;
- for (v = argv; *v; v++)
- ;
- i = v - argv + 1;
- ubp_argv = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_argv) * i);
- for (v = argv, ubp_v = ubp_argv; --i; v++, ubp_v++)
- *ubp_v = CHECK_STRING (*v);
- *ubp_v = 0;
- for (v = envp; *v; v++)
- ;
- i = v - envp + 1;
- ubp_envp = (char *__unbounded *__unbounded) alloca (sizeof (*ubp_envp) * i);
- for (v = envp, ubp_v = ubp_envp; --i; v++, ubp_v++)
- *ubp_v = CHECK_STRING (*v);
- *ubp_v = 0;
- return INLINE_SYSCALL (execve, 3, CHECK_STRING (file), ubp_argv, ubp_envp);
- }
- #else
- return INLINE_SYSCALL (execve, 3, file, argv, envp);
- #endif
- }
- weak_alias (__execve, execve)
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