glibc/sysdeps/mach/hurd/fexecve.c
Samuel Thibault 311ba8dc44 hurd: Use the new file_exec_paths RPC
From: Emilio Pozuelo Monfort <pochu27@gmail.com>
From: Svante Signell <svante.signell@gmail.com>

Pass the file paths of executable to the exec server, both relative and
absolute, which exec needs to properly execute and avertise #!-scripts.
Previously, the exec server tried to guess the name from argv[0] but argv[0]
only contains the executable name by convention.

	* hurd/hurdexec.c (_hurd_exec): Deprecate function.
	(_hurd_exec_paths): New function.
	* hurd/hurd.h (_hurd_exec): Deprecate function.
	(_hurd_exec_paths): Declare function.
	* hurd/Versions: Export _hurd_exec_paths.
	* sysdeps/mach/hurd/execve.c: Include <stdlib.h> and <stdio.h>
	(__execve): Use __getcwd to build absolute path, and use
	_hurd_exec_paths instead of _hurd_exec.
	* sysdeps/mach/hurd/spawni.c: Likewise.
	* sysdeps/mach/hurd/fexecve.c: Use _hurd_exec_paths instead of
	_hurd_exec.
2018-01-09 01:37:34 +01:00

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C

/* Copyright (C) 1993-2018 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, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <errno.h>
/* Execute the file FD refers to, overlaying the running program image. */
int
fexecve (int fd, char *const argv[], char *const envp[])
{
error_t err = HURD_DPORT_USE (fd, _hurd_exec_paths (__mach_task_self (),
port, NULL, NULL,
argv, envp));
if (! err)
err = EGRATUITOUS;
return __hurd_fail (err);
}