root / prex-0.9.0 / include / sys / prex.h @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 2005-2007, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | #ifndef _SYS_H
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31 | #define _SYS_H
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32 | #ifndef KERNEL
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33 | |||
34 | #include <conf/config.h> |
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35 | #include <sys/cdefs.h> |
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36 | #include <sys/types.h> |
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37 | #include <sys/param.h> |
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38 | #include <sys/sysinfo.h> |
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39 | #include <sys/capability.h> |
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40 | #include <sys/dbgctl.h> |
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41 | |||
42 | /*
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43 | * vm_option for task_crate()
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44 | */
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45 | #define VM_NEW 0 |
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46 | #define VM_SHARE 1 |
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47 | #define VM_COPY 2 |
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48 | |||
49 | /*
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50 | * protection flags for vm_attribute()
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51 | */
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52 | #define PROT_READ 0x1 /* pages can be read */ |
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53 | #define PROT_WRITE 0x2 /* pages can be written */ |
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54 | #define PROT_EXEC 0x4 /* pages can be executed */ |
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55 | |||
56 | /*
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57 | * Device open mode for device_open()
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58 | */
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59 | #define DO_RDONLY 0x0 |
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60 | #define DO_WRONLY 0x1 |
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61 | #define DO_RDWR 0x2 |
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62 | #define DO_RWMASK 0x3 |
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63 | |||
64 | /*
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65 | * Scheduling policy
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66 | */
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67 | #define SCHED_FIFO 0 /* First In First Out */ |
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68 | #define SCHED_RR 1 /* Round Robin */ |
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69 | #define SCHED_OTHER 2 /* Other */ |
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70 | |||
71 | /* Default exception handler */
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72 | #define EXC_DFL ((void (*)(int)) -1) |
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73 | |||
74 | /*
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75 | * Synch initializer
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76 | */
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77 | #define MUTEX_INITIALIZER (mutex_t)0x4d496e69 |
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78 | #define COND_INITIALIZER (cond_t)0x43496e69 |
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79 | |||
80 | |||
81 | __BEGIN_DECLS |
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82 | void exception_return(void); |
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83 | int exception_setup(void (*handler)(int)); |
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84 | int exception_raise(task_t task, int excno); |
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85 | int exception_wait(int *excno); |
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86 | |||
87 | int task_create(task_t parent, int vm_option, task_t *childp); |
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88 | int task_terminate(task_t task);
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89 | task_t task_self(void);
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90 | int task_suspend(task_t task);
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91 | int task_resume(task_t task);
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92 | int task_setname(task_t task, const char *name); |
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93 | int task_setcap(task_t task, cap_t cap);
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94 | int task_chkcap(task_t task, cap_t cap);
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95 | |||
96 | int thread_create(task_t task, thread_t *tp);
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97 | int thread_terminate(thread_t t);
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98 | int thread_load(thread_t t, void (*entry)(void), void *stack); |
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99 | thread_t thread_self(void);
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100 | void thread_yield(void); |
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101 | int thread_suspend(thread_t t);
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102 | int thread_resume(thread_t t);
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103 | int thread_getpri(thread_t t, int *pri); |
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104 | int thread_setpri(thread_t t, int pri); |
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105 | int thread_getpolicy(thread_t t, int *policy); |
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106 | int thread_setpolicy(thread_t t, int policy); |
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107 | |||
108 | int vm_allocate(task_t task, void **addr, size_t size, int anywhere); |
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109 | int vm_free(task_t task, void *addr); |
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110 | int vm_attribute(task_t task, void *addr, int prot); |
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111 | int vm_map(task_t target, void *addr, size_t size, void **alloc); |
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112 | |||
113 | int object_create(const char *name, object_t *objp); |
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114 | int object_destroy(object_t obj);
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115 | int object_lookup(const char *name, object_t *objp); |
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116 | |||
117 | int msg_send(object_t obj, void *msg, size_t size); |
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118 | int msg_receive(object_t obj, void *msg, size_t size); |
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119 | int msg_reply(object_t obj, void *msg, size_t size); |
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120 | |||
121 | int timer_sleep(u_long msec, u_long *remain);
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122 | int timer_alarm(u_long msec, u_long *remain);
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123 | int timer_periodic(thread_t t, u_long start, u_long period);
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124 | int timer_waitperiod(void); |
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125 | |||
126 | int device_open(const char *name, int mode, device_t *dev); |
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127 | int device_close(device_t dev);
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128 | int device_read(device_t dev, void *buf, size_t *nbyte, int blkno); |
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129 | int device_write(device_t dev, void *buf, size_t *nbyte, int blkno); |
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130 | int device_ioctl(device_t dev, u_long cmd, void *arg); |
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131 | |||
132 | int mutex_init(mutex_t *mp);
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133 | int mutex_destroy(mutex_t *mp);
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134 | int mutex_trylock(mutex_t *mp);
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135 | int mutex_lock(mutex_t *mp);
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136 | int mutex_unlock(mutex_t *mp);
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137 | |||
138 | int cond_init(cond_t *cp);
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139 | int cond_destroy(cond_t *cp);
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140 | int cond_wait(cond_t *cp, mutex_t *mp);
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141 | int cond_signal(cond_t *cp);
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142 | int cond_broadcast(cond_t *cp);
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143 | |||
144 | int sem_init(sem_t *sp, u_int value);
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145 | int sem_destroy(sem_t *sp);
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146 | int sem_wait(sem_t *sp, u_long timeout);
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147 | int sem_trywait(sem_t *sp);
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148 | int sem_post(sem_t *sp);
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149 | int sem_getvalue(sem_t *sp, u_int *value);
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150 | |||
151 | int sys_log(const char *msg); |
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152 | void sys_panic(const char *msg); |
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153 | int sys_info(int type, void *buf); |
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154 | int sys_time(u_long *ticks);
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155 | int sys_debug(int cmd, void *data); |
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156 | |||
157 | void panic(const char *fmt, ...); |
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158 | void dprintf(const char *fmt, ...); |
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159 | |||
160 | __END_DECLS |
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161 | |||
162 | #endif /* KERNEL */ |
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163 | #endif /* !_SYS_H */ |