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 */
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