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Annotation of prex/usr/server/exec/exec.h, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 2005-2007, Kohsuke Ohtani
        !             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, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the author nor the names of any co-contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: #ifndef _EXEC_H
        !            31: #define _EXEC_H
        !            32:
        !            33: #include <prex/prex.h>
        !            34: #include <prex/elf.h>
        !            35: #include <sys/param.h>
        !            36: #include <sys/stat.h>
        !            37: #include <server/exec.h>
        !            38:
        !            39: #include <unistd.h>
        !            40:
        !            41: /* #define DEBUG_EXEC 1 */
        !            42:
        !            43: #ifdef DEBUG_EXEC
        !            44: #define DPRINTF(a) dprintf a
        !            45: #else
        !            46: #define DPRINTF(a)
        !            47: #endif
        !            48:
        !            49: #define PRIO_EXEC       127
        !            50:
        !            51: #define HEADER_SIZE    512
        !            52:
        !            53: /*
        !            54:  * Definition for exec loader
        !            55:  */
        !            56: struct exec_loader {
        !            57:        const char *el_name;            /* name of loader */
        !            58:        void    (*el_init)(void);       /* initialize routine */
        !            59:        int     (*el_probe)(void *);    /* probe routine */
        !            60:        int     (*el_load)(void *, task_t, int, void **entry);  /* load routine */
        !            61: };
        !            62:
        !            63: /*
        !            64:  * Global variables
        !            65:  */
        !            66: extern object_t proc_obj;
        !            67: extern object_t fs_obj;
        !            68: extern struct exec_loader loader_table[];
        !            69:
        !            70: extern int build_args(task_t, void *, struct exec_msg *, void **);
        !            71:
        !            72: extern int file_open(char *path, int flags);
        !            73: extern int file_close(int fd);
        !            74: extern int file_read(int fd, void *buf, size_t len);
        !            75: extern int file_lseek(int fd, off_t offset, int whence);
        !            76: extern int file_fstat(int fd, struct stat *st);
        !            77:
        !            78: #endif /* !_EXEC_H */