79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
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/*
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* File : lwp_syscall.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2006-03-18 Bernard the first version
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* 2006-04-25 Bernard add rt_hw_context_switch_interrupt declaration
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* 2006-09-24 Bernard add rt_hw_context_switch_to declaration
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* 2012-12-29 Bernard add rt_hw_exception_install declaration
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* 2017-10-17 Hichard add some micros
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*/
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#ifndef __LWP_SYSCALL_H__
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#define __LWP_SYSCALL_H__
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#include <stdint.h>
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#include <rtthread.h>
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#include <dfs_posix.h>
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#include <sys/time.h>
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#include <sys/types.h>
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typedef long suseconds_t; /* microseconds (signed) */
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typedef long key_t; /* IPC key (for Sys V IPC) */
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typedef uint32_t id_t; /* may contain pid, uid or gid */
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/*
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* Process priority specifications to get/setpriority.
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*/
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#define PRIO_MIN (-20)
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#define PRIO_MAX 20
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#define PRIO_PROCESS 0 /* only support lwp process */
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#define PRIO_PGRP 1
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#define PRIO_USER 2
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#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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}
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#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
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(tv)->tv_sec = (ts)->tv_sec; \
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(tv)->tv_usec = (ts)->tv_nsec / 1000; \
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}
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void sys_exit(int value);
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ssize_t sys_read(int fd, void *buf, size_t nbyte);
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ssize_t sys_write(int fd, const void *buf, size_t nbyte);
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off_t sys_lseek(int fd, off_t offset, int whence);
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int sys_open(const char *name, int mode, ...);
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int sys_close(int fd);
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int sys_nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
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int sys_getpriority(int which, id_t who);
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int sys_setpriority(int which, id_t who, int prio);
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int sys_gettimeofday(struct timeval *tp, struct timezone *tzp);
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int sys_settimeofday(const struct timeval *tv, const struct timezone *tzp);
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int sys_msgget(key_t key, int msgflg);
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int sys_msgsend(int msqid, const void *msgp, size_t msgsz, int msgflg);
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int sys_msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg);
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int sys_log(const char* log, int size);
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#endif
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