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[posix] POSIX standard implementation for PSE51 (#5384)

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* [posix] POSIX standard implementation for PSE51

- add some posix's interfaces that we haven't before.
- these PR have passed the interface definition test across gcc platfrom;
- have tested base on qemu-a9 and stm32h750-art-pi.

* [newlib] only enable POSIX.1-1990

* update projects
This commit is contained in:
Man, Jianting (Meco)
2021-12-17 02:34:17 -05:00
committed by GitHub
parent 417efc370f
commit 6369e89502
480 changed files with 25486 additions and 21117 deletions
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19
components/libc/compilers/common/delay.h
View File

@@ -1,19 +0,0 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-05-07 Meco Man first Version
*/
#ifndef __DELAY_H__
#define __DELAY_H__
void msleep(unsigned int msecs);
void ssleep(unsigned int seconds);
void mdelay(unsigned long msecs);
void udelay(unsigned long usecs);
void ndelay(unsigned long nsecs);
#endif

4
components/libc/compilers/common/sys/time.h
View File

@@ -72,6 +72,7 @@ int settimeofday(const struct timeval *tv, const struct timezone *tz);
struct tm *gmtime_r(const time_t *timep, struct tm *r);
#endif
#ifdef RT_USING_POSIX_CLOCK
/* POSIX clock and timer */
#define MILLISECOND_PER_SECOND 1000UL
#define MICROSECOND_PER_SECOND 1000000UL
@@ -101,7 +102,10 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r);
int clock_getres (clockid_t clockid, struct timespec *res);
int clock_gettime (clockid_t clockid, struct timespec *tp);
int clock_settime (clockid_t clockid, const struct timespec *tp);
int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, struct timespec *rmtp);
int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
int rt_timespec_to_tick(const struct timespec *time);
#endif /* RT_USING_POSIX_CLOCK */
/* timezone */
void tz_set(int8_t tz);

42
components/libc/compilers/common/time.c
View File

@@ -486,6 +486,8 @@ RTM_EXPORT(settimeofday);
RTM_EXPORT(difftime);
RTM_EXPORT(strftime);
#ifdef RT_USING_POSIX_CLOCK
#include <delay.h>
#ifdef RT_USING_RTC
static volatile struct timeval _timevalue;
static int _rt_clock_time_system_init()
@@ -612,6 +614,17 @@ int clock_gettime(clockid_t clockid, struct timespec *tp)
}
RTM_EXPORT(clock_gettime);
int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, struct timespec *rmtp)
{
if ((clockid != CLOCK_REALTIME) || (rqtp == RT_NULL))
{
rt_set_errno(EINVAL);
return -1;
}
return nanosleep(rqtp, rmtp);
}
int clock_settime(clockid_t clockid, const struct timespec *tp)
{
#ifndef RT_USING_RTC
@@ -655,6 +668,33 @@ int clock_settime(clockid_t clockid, const struct timespec *tp)
}
RTM_EXPORT(clock_settime);
int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
{
uint32_t time_ms = rqtp->tv_sec * 1000;
uint32_t time_us = rqtp->tv_nsec / 1000;
time_ms += time_us / 1000 ;
time_us = time_us % 1000;
if (rt_thread_self() != RT_NULL)
{
rt_thread_mdelay(time_ms);
}
else /* scheduler has not run yet */
{
while(time_ms > 0)
{
udelay(1000u);
time_ms -= 1;
}
}
udelay(time_us);
return 0;
}
RTM_EXPORT(nanosleep);
int rt_timespec_to_tick(const struct timespec *time)
{
int tick;
@@ -688,6 +728,8 @@ int rt_timespec_to_tick(const struct timespec *time)
}
RTM_EXPORT(rt_timespec_to_tick);
#endif /* RT_USING_POSIX_CLOCK */
/* timezone */
#ifndef RT_LIBC_DEFAULT_TIMEZONE
#define RT_LIBC_DEFAULT_TIMEZONE 8