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