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https://github.com/RT-Thread/rt-thread.git
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the support for PSE51 (#5534)
* [add] the function realization of signal for posix. * [update] the posix support for armclang. * [add] the new macro "RT_USING_POSIX_TIMER". * [modify] select "RT_USING_SOFT_TIMER" when use posix'timer. * [bug] optimize the logic for the "time_xxx" functions. * [modify] use "RT_USING_POSIX_TIMER" to protect the macro definition. * [modify] error code when except happened. * [delete] the "environ" is useless at this time.
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@@ -17,6 +17,19 @@ extern "C" {
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#endif
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#include <stdint.h>
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#include <sys/types.h>
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/* sigev_notify values
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NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD. */
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#define SIGEV_NONE 1 /* No asynchronous notification shall be delivered */
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/* when the event of interest occurs. */
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#define SIGEV_SIGNAL 2 /* A queued signal, with an application defined */
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/* value, shall be delivered when the event of */
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/* interest occurs. */
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#define SIGEV_THREAD 3 /* A notification function shall be called to */
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/* perform notification. */
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/* Signal Generation and Delivery, P1003.1b-1993, p. 63
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NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
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@@ -62,6 +75,16 @@ struct sigaction
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int sa_flags;
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};
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/*
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* Structure used in sigaltstack call.
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*/
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typedef struct sigaltstack
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{
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void *ss_sp; /* Stack base or pointer. */
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int ss_flags; /* Flags. */
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size_t ss_size; /* Stack size. */
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} stack_t;
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#define SIG_SETMASK 0 /* set mask with sigprocmask() */
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#define SIG_BLOCK 1 /* set of signals to block */
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#define SIG_UNBLOCK 2 /* set of signals to, well, unblock */
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@@ -73,6 +96,15 @@ struct sigaction
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#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
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int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
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int sigpending (sigset_t *set);
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int sigsuspend (const sigset_t *set);
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#include "time.h"
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int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec *timeout);
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int sigwait(const sigset_t *set, int *sig);
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int sigwaitinfo(const sigset_t *set, siginfo_t *info);
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int raise(int sig);
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int sigqueue(pid_t pid, int signo, const union sigval value);
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int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
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#ifdef __ARMCC_VERSION
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@@ -100,6 +132,9 @@ int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
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#define SIGTTOU 22
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#define SIGPOLL 23
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#define SIGWINCH 24
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#define SIGXCPU 24 /* exceeded CPU time limit */
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#define SIGXFSZ 25 /* exceeded file size limit */
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#define SIGVTALRM 26 /* virtual time alarm */
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/* #define SIGUSR1 25 */
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/* #define SIGUSR2 26 */
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#define SIGRTMIN 27
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@@ -133,6 +168,9 @@ int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
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#define SIGTTOU 22
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#define SIGPOLL 23
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#define SIGWINCH 24
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#define SIGXCPU 24 /* exceeded CPU time limit */
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#define SIGXFSZ 25 /* exceeded file size limit */
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#define SIGVTALRM 26 /* virtual time alarm */
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#define SIGUSR1 25
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#define SIGUSR2 26
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#define SIGRTMIN 27
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@@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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@@ -60,6 +60,16 @@ struct timespec
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time_t tv_sec; /* seconds */
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long tv_nsec; /* and nanoseconds */
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};
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/*
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* Structure defined by POSIX.1b to be like a itimerval, but with
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* timespecs. Used in the timer_*() system calls.
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*/
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struct itimerspec
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{
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struct timespec it_interval;
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struct timespec it_value;
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};
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#endif
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int stime(const time_t *t);
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@@ -68,6 +78,9 @@ int gettimeofday(struct timeval *tv, struct timezone *tz);
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int settimeofday(const struct timeval *tv, const struct timezone *tz);
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#if defined(__ARMCC_VERSION) || defined (__ICCARM__)
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struct tm *gmtime_r(const time_t *timep, struct tm *r);
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struct tm* localtime_r(const time_t* t, struct tm* r);
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char* asctime_r(const struct tm *t, char *buf);
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char *ctime_r(const time_t * tim_p, char * result);
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#elif defined(_WIN32)
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struct tm* gmtime_r(const time_t* timep, struct tm* r);
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struct tm* gmtime(const time_t* t);
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@@ -84,7 +97,7 @@ time_t time(time_t* t);
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int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
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#endif /* RT_USING_POSIX_DELAY */
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#ifdef RT_USING_POSIX_CLOCK
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#if defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER)
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/* POSIX clock and timer */
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#define MILLISECOND_PER_SECOND 1000UL
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#define MICROSECOND_PER_SECOND 1000000UL
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@@ -110,7 +123,9 @@ int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC 4
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#endif
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#endif /* defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER) */
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#ifdef RT_USING_POSIX_CLOCK
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int clock_getres (clockid_t clockid, struct timespec *res);
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int clock_gettime (clockid_t clockid, struct timespec *tp);
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int clock_settime (clockid_t clockid, const struct timespec *tp);
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@@ -118,6 +133,16 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, s
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int rt_timespec_to_tick(const struct timespec *time);
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#endif /* RT_USING_POSIX_CLOCK */
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#ifdef RT_USING_POSIX_TIMER
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#include "signal.h"
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int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid);
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int timer_delete(timer_t timerid);
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int timer_getoverrun(timer_t timerid);
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int timer_gettime(timer_t timerid, struct itimerspec *its);
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int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
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struct itimerspec *ovalue);
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#endif /* RT_USING_POSIX_TIMER */
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/* timezone */
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void tz_set(int8_t tz);
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int8_t tz_get(void);
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