Line data    Source code

       1           0 : /*
       2             :  * Copyright (c) 2018 Intel Corporation
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : #ifndef ZEPHYR_INCLUDE_POSIX_TIME_H_
       7             : #define ZEPHYR_INCLUDE_POSIX_TIME_H_
       8             : 
       9             : /* Read standard header.  This may find <posix/time.h> since they
      10             :  * refer to the same file when include/posix is in the search path.
      11             :  */
      12             : #include <time.h>
      13             : 
      14             : #ifdef CONFIG_NEWLIB_LIBC
      15             : /* Kludge to support outdated newlib version as used in SDK 0.10 for Xtensa */
      16             : #include <newlib.h>
      17             : 
      18             : #ifdef __NEWLIB__
      19             : /* Newever Newlib 3.x+ */
      20             : #include <sys/timespec.h>
      21             : #else /* __NEWLIB__ */
      22             : /* Workaround for older Newlib 2.x, as used by Xtensa. It lacks sys/_timeval.h,
      23             :  * so mimic it here.
      24             :  */
      25             : #include <sys/types.h>
      26             : #ifndef __timespec_defined
      27             : 
      28             : #ifdef __cplusplus
      29             : extern "C" {
      30             : #endif
      31             : 
      32             : struct timespec {
      33             :         time_t tv_sec;
      34             :         long tv_nsec;
      35             : };
      36             : 
      37             : struct itimerspec {
      38             :         struct timespec it_interval;  /* Timer interval */
      39             :         struct timespec it_value;     /* Timer expiration */
      40             : };
      41             : 
      42             : #ifdef __cplusplus
      43             : }
      44             : #endif
      45             : 
      46             : #endif /* __timespec_defined */
      47             : #endif /* __NEWLIB__ */
      48             : 
      49             : #else /* CONFIG_NEWLIB_LIBC */
      50             : /* Not Newlib */
      51             : # if defined(CONFIG_ARCH_POSIX) && defined(CONFIG_EXTERNAL_LIBC)
      52             : #  include <bits/types/struct_timespec.h>
      53             : #  include <bits/types/struct_itimerspec.h>
      54             : # else
      55             : #  include <sys/timespec.h>
      56             : # endif
      57             : #endif /* CONFIG_NEWLIB_LIBC */
      58             : 
      59             : #include <zephyr/kernel.h>
      60             : #include <errno.h>
      61             : #include <zephyr/posix/posix_types.h>
      62             : #include <zephyr/posix/signal.h>
      63             : 
      64             : #ifdef __cplusplus
      65             : extern "C" {
      66             : #endif
      67             : 
      68             : #ifndef CLOCK_REALTIME
      69           0 : #define CLOCK_REALTIME 1
      70             : #endif
      71             : 
      72             : #ifndef CLOCK_PROCESS_CPUTIME_ID
      73           0 : #define CLOCK_PROCESS_CPUTIME_ID 2
      74             : #endif
      75             : 
      76             : #ifndef CLOCK_THREAD_CPUTIME_ID
      77           0 : #define CLOCK_THREAD_CPUTIME_ID 3
      78             : #endif
      79             : 
      80             : #ifndef CLOCK_MONOTONIC
      81           0 : #define CLOCK_MONOTONIC 4
      82             : #endif
      83             : 
      84             : #ifndef TIMER_ABSTIME
      85           0 : #define TIMER_ABSTIME 4
      86             : #endif
      87             : 
      88             : static inline int32_t _ts_to_ms(const struct timespec *to)
      89             : {
      90             :         return (int32_t)(to->tv_sec * MSEC_PER_SEC) + (int32_t)(to->tv_nsec / NSEC_PER_MSEC);
      91             : }
      92             : 
      93           0 : int clock_gettime(clockid_t clock_id, struct timespec *ts);
      94           0 : int clock_getres(clockid_t clock_id, struct timespec *ts);
      95           0 : int clock_settime(clockid_t clock_id, const struct timespec *ts);
      96           0 : int clock_getcpuclockid(pid_t pid, clockid_t *clock_id);
      97             : /* Timer APIs */
      98           0 : int timer_create(clockid_t clockId, struct sigevent *evp, timer_t *timerid);
      99           0 : int timer_delete(timer_t timerid);
     100             : struct itimerspec;
     101           0 : int timer_gettime(timer_t timerid, struct itimerspec *its);
     102           0 : int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
     103             :                   struct itimerspec *ovalue);
     104           0 : int timer_getoverrun(timer_t timerid);
     105           0 : int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
     106           0 : int clock_nanosleep(clockid_t clock_id, int flags,
     107             :                     const struct timespec *rqtp, struct timespec *rmtp);
     108             : 
     109             : #ifdef __cplusplus
     110             : }
     111             : #endif
     112             : 
     113             : #else /* ZEPHYR_INCLUDE_POSIX_TIME_H_ */
     114             : /* Read the toolchain header when <posix/time.h> finds itself on the
     115             :  * first attempt.
     116             :  */
     117             : #include_next <time.h>
     118             : #endif /* ZEPHYR_INCLUDE_POSIX_TIME_H_ */