Annotation of prex-old/include/prex/prex.h, Revision 1.1.1.1
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 _PREX_H
31: #define _PREX_H
32: #ifndef KERNEL
33:
34: #include <conf/config.h>
35:
36: #include <sys/cdefs.h>
37: #include <sys/types.h>
38: #include <sys/param.h>
39: #include <prex/sysinfo.h>
40:
41: /*
42: * vm_option for task_crate()
43: */
44: #define VM_NEW 0
45: #define VM_SHARE 1
46: #define VM_COPY 2
47:
48: /*
49: * attr flags for vm_attribute()
50: */
51: #define VMA_READ 0x01
52: #define VMA_WRITE 0x02
53: #define VMA_EXEC 0x04
54:
55: /*
56: * Device open mode for device_open()
57: */
58: #define DO_RDONLY 0x0
59: #define DO_WRONLY 0x1
60: #define DO_RDWR 0x2
61: #define DO_RWMASK 0x3
62:
63: /*
64: * Scheduling policy
65: */
66: #define SCHED_FIFO 0 /* First In First Out */
67: #define SCHED_RR 1 /* Round Robin */
68: #define SCHED_OTHER 2 /* Other */
69:
70: /*
71: * Synch initializer
72: */
73: #define MUTEX_INITIALIZER (mutex_t)0x4d496e69
74: #define COND_INITIALIZER (cond_t)0x43496e69
75:
76: /*
77: * System debug service
78: */
79: #define DCMD_DUMP 0 /* kernel dump */
80: #define DCMD_LOGSIZE 1 /* return log size */
81: #define DCMD_GETLOG 2 /* return message log */
82:
83: /*
84: * Parameter for DCMD_DUMP
85: */
86: #define DUMP_THREAD 1
87: #define DUMP_TASK 2
88: #define DUMP_OBJECT 3
89: #define DUMP_TIMER 4
90: #define DUMP_IRQ 5
91: #define DUMP_DEVICE 6
92: #define DUMP_VM 7
93: #define DUMP_MSGLOG 8
94: #define DUMP_TRACE 9
95:
96: __BEGIN_DECLS
97: int object_create(const char *name, object_t *obj);
98: int object_destroy(object_t obj);
99: int object_lookup(const char *name, object_t *obj);
100:
101: int msg_send(object_t obj, void *msg, size_t size);
102: int msg_receive(object_t obj, void *msg, size_t size);
103: int msg_reply(object_t obj, void *msg, size_t size);
104:
105: int vm_allocate(task_t task, void **addr, size_t size, int anywhere);
106: int vm_free(task_t task, void *addr);
107: int vm_attribute(task_t task, void *addr, int attr);
108: int vm_map(task_t target, void *addr, size_t size, void **alloc);
109:
110: int task_create(task_t parent, int vm_option, task_t *child);
111: int task_terminate(task_t task);
112: task_t task_self(void);
113: int task_suspend(task_t task);
114: int task_resume(task_t task);
115: int task_name(task_t task, const char *name);
116: int task_getcap(task_t task, cap_t *cap);
117: int task_setcap(task_t task, cap_t *cap);
118:
119: int thread_create(task_t task, thread_t *th);
120: int thread_terminate(thread_t th);
121: int thread_load(thread_t th, void (*entry)(void), void *stack);
122: thread_t thread_self(void);
123: void thread_yield(void);
124: int thread_suspend(thread_t th);
125: int thread_resume(thread_t th);
126: int thread_getprio(thread_t th, int *prio);
127: int thread_setprio(thread_t th, int prio);
128: int thread_getpolicy(thread_t th, int *policy);
129: int thread_setpolicy(thread_t th, int policy);
130:
131: int timer_sleep(u_long delay, u_long *remain);
132: int timer_alarm(u_long delay, u_long *remain);
133: int timer_periodic(thread_t th, u_long start, u_long period);
134: int timer_waitperiod(void);
135:
136: int exception_setup(void (*handler)(int, void *));
137: int exception_return(void *regs);
138: int exception_raise(task_t task, int excpt);
139: int exception_wait(int *excpt);
140:
141: int device_open(const char *name, int mode, device_t *dev);
142: int device_close(device_t dev);
143: int device_read(device_t dev, void *buf, size_t *nbyte, int blkno);
144: int device_write(device_t dev, void *buf, size_t *nbyte, int blkno);
145: int device_ioctl(device_t dev, int cmd, u_long arg);
146:
147: int mutex_init(mutex_t *mu);
148: int mutex_destroy(mutex_t *mu);
149: int mutex_trylock(mutex_t *mu);
150: int mutex_lock(mutex_t *mu);
151: int mutex_unlock(mutex_t *mu);
152:
153: int cond_init(cond_t *cond);
154: int cond_destroy(cond_t *cond);
155: int cond_wait(cond_t *cond, mutex_t *mu);
156: int cond_signal(cond_t *cond);
157: int cond_broadcast(cond_t *cond);
158:
159: int sem_init(sem_t *sem, u_int value);
160: int sem_destroy(sem_t *sem);
161: int sem_wait(sem_t *sem, u_long timeout);
162: int sem_trywait(sem_t *sem);
163: int sem_post(sem_t *sem);
164: int sem_getvalue(sem_t *sem, u_int *value);
165:
166: int sys_info(int type, void *buf);
167: int sys_log(const char *);
168: void sys_panic(const char *);
169: int sys_time(u_long *ticks);
170: int sys_debug(int cmd, ...);
171:
172: /* wrapper for sys_panic */
173: #ifdef DEBUG
174: void panic(const char *, ...);
175: #else
176: #define panic(fmt...) sys_panic(NULL);
177: #endif
178: __END_DECLS
179:
180: #endif /* KERNEL */
181: #endif /* !_PREX_H */
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