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Annotation of prex-old/include/prex/sysinfo.h, Revision 1.1.1.1

1.1       nbrk        1: /*
                      2:  * Copyright (c) 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 _PREX_SYSINFO_H
                     31: #define _PREX_SYSINFO_H
                     32:
                     33: /*
                     34:  * Data type for sys_info()
                     35:  */
                     36: #define INFO_KERNEL    1
                     37: #define INFO_MEMORY    2
                     38: #define INFO_THREAD    3
                     39: #define INFO_DEVICE    4
                     40: #define INFO_TIMER     5
                     41:
                     42: #define _KSTRLN                12
                     43:
                     44: struct info_kernel {
                     45:        char    sysname[_KSTRLN];       /* Kernel name */
                     46:        char    version[_KSTRLN];       /* Version level */
                     47:        char    blddate[_KSTRLN];       /* Build date */
                     48:        char    machine[_KSTRLN];       /* Architecture/platform */
                     49:        char    hostname[_KSTRLN];      /* Host name */
                     50: };
                     51:
                     52: /*
                     53:  * Memory information
                     54:  */
                     55: struct info_memory {
                     56:        size_t  total;          /* total memory size in bytes */
                     57:        size_t  free;           /* current free memory size in bytes */
                     58:        size_t  kernel;         /* memory size used by kernel in bytes */
                     59: };
                     60:
                     61: /*
                     62:  * Thread information
                     63:  */
                     64: struct info_thread {
                     65:        u_long  cookie;         /* index cookie - 0 for first thread */
                     66:        int     state;          /* thread state */
                     67:        int     policy;         /* scheduling policy */
                     68:        int     prio;           /* current priority */
                     69:        int     base_prio;      /* base priority */
                     70:        int     suspend_count;  /* suspend counter */
                     71:        u_int   total_ticks;    /* total running ticks */
                     72:        thread_t id;            /* thread id */
                     73:        task_t  task;           /* task id */
                     74:        char    task_name[MAXTASKNAME]; /* task name */
                     75:        char    sleep_event[MAXEVTNAME]; /* sleep event */
                     76: };
                     77:
                     78: #ifndef KERNEL
                     79: /* Thread state */
                     80: #define TH_RUN         0x00    /* running or ready to run */
                     81: #define TH_SLEEP       0x01    /* sleep for events */
                     82: #define TH_SUSPEND     0x02    /* suspend count is not 0 */
                     83: #define TH_EXIT                0x04    /* terminated */
                     84: #endif
                     85:
                     86: /*
                     87:  * Device information
                     88:  */
                     89: struct info_device {
                     90:        u_long  cookie;         /* index cookie - 0 for first thread */
                     91:        device_t id;            /* device id */
                     92:        int     flags;          /* device characteristics flags */
                     93:        char    name[MAXDEVNAME];
                     94: };
                     95:
                     96: /*
                     97:  * Device flags
                     98:  */
                     99: #define DF_CHR         0x00000001      /* character device */
                    100: #define DF_BLK         0x00000002      /* block device */
                    101: #define DF_RDONLY      0x00000004      /* read only device */
                    102: #define DF_REM         0x00000008      /* removable device */
                    103:
                    104: /*
                    105:  * Timer informations
                    106:  */
                    107: struct info_timer {
                    108:        int     hz;             /* clock frequency */
                    109: };
                    110:
                    111: #endif /* !_PREX_SYSINFO_H */