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Annotation of prex-old/usr/server/exec/exec.h, Revision 1.1.1.1.2.1

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
1.1.1.1.2.1! nbrk       44: #define DPRINTF(a) dprintf a
1.1       nbrk       45: #else
1.1.1.1.2.1! nbrk       46: #define DPRINTF(a)
1.1       nbrk       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 {
1.1.1.1.2.1! nbrk       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 */
1.1       nbrk       61: };
                     62:
1.1.1.1.2.1! nbrk       63: /*
        !            64:  * Global variables
        !            65:  */
1.1       nbrk       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 */