File: [local] / prex-old / usr / server / exec / exec.h (download)
Revision 1.1.1.1.2.1, Wed Aug 13 16:12:43 2008 UTC (16 years ago) by nbrk
Branch: PREX_0_8_BASE
Changes since 1.1.1.1: +9 -9 lines
Prex 0.8.0 has been released. Branch off from vanilla PREX_0_7_BASE preparing
the tree for backporting my changes.
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/*
* Copyright (c) 2005-2007, Kohsuke Ohtani
* 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, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.
*/
#ifndef _EXEC_H
#define _EXEC_H
#include <prex/prex.h>
#include <prex/elf.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <server/exec.h>
#include <unistd.h>
/* #define DEBUG_EXEC 1 */
#ifdef DEBUG_EXEC
#define DPRINTF(a) dprintf a
#else
#define DPRINTF(a)
#endif
#define PRIO_EXEC 127
#define HEADER_SIZE 512
/*
* Definition for exec loader
*/
struct exec_loader {
const char *el_name; /* name of loader */
void (*el_init)(void); /* initialize routine */
int (*el_probe)(void *); /* probe routine */
int (*el_load)(void *, task_t, int, void **entry); /* load routine */
};
/*
* Global variables
*/
extern object_t proc_obj;
extern object_t fs_obj;
extern struct exec_loader loader_table[];
extern int build_args(task_t, void *, struct exec_msg *, void **);
extern int file_open(char *path, int flags);
extern int file_close(int fd);
extern int file_read(int fd, void *buf, size_t len);
extern int file_lseek(int fd, off_t offset, int whence);
extern int file_fstat(int fd, struct stat *st);
#endif /* !_EXEC_H */