newlib/libc/reent/timesr.c

   1 /* Reentrant versions of times system calls */
   2
   3 #include <reent.h>
   4 #include <time.h>
   5 #include <sys/time.h>
   6 #include <sys/times.h>
   7 #include <_syslist.h>
   8
   9 /* Some targets provides their own versions of these functions.  Those
  10    targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS.  */
  11
  12 #ifdef _REENT_ONLY
  13 #ifndef REENTRANT_SYSCALLS_PROVIDED
  14 #define REENTRANT_SYSCALLS_PROVIDED
  15 #endif
  16 #endif
  17
  18 #ifdef REENTRANT_SYSCALLS_PROVIDED
  19
  20 int _dummy_times_syscalls = 1;
  21
  22 #else
  23
  24 /* We use the errno variable used by the system dependent layer.  */
  25 #undef errno
  26 extern int errno;
  27
  28 /*
  29 FUNCTION
  30         <<_times_r>>---Reentrant version of times
  31
  32 INDEX
  33         _times_r
  34
  35 SYNOPSIS
  36         #include <reent.h>
  37         #include <sys/times.h>
  38         clock_t _times_r(struct _reent *<[ptr]>, struct tms *<[ptms]>);
  39
  40 DESCRIPTION
  41         This is a reentrant version of <<times>>.  It
  42         takes a pointer to the global data block, which holds
  43         <<errno>>.
  44 */
  45
  46 clock_t
  47 _times_r (struct _reent *ptr,
  48      struct tms *ptms)
  49 {
  50   clock_t ret;
  51
  52   ret = _times (ptms);
  53   return ret;
  54 }
  55 #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */