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/* Reentrant versions of times and gettimeofday system calls for the
clock and time ANSI C routines.
This implementation just calls the times/gettimeofday system calls.
Gettimeofday may not be available on all targets. It's presence
here is dubious. Consider it for internal use only. */
#include <reent.h>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
#include <_syslist.h>
/* Some targets provides their own versions of these functions. Those
targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */
#ifdef _REENT_ONLY
#ifndef REENTRANT_SYSCALLS_PROVIDED
#define REENTRANT_SYSCALLS_PROVIDED
#endif
#endif
#ifdef REENTRANT_SYSCALLS_PROVIDED
int _dummy_time_syscalls = 1;
#else
/* We use the errno variable used by the system dependent layer. */
#undef errno
extern int errno;
/*
FUNCTION
<<_times_r>>---Reentrant version of times
INDEX
_times_r
ANSI_SYNOPSIS
#include <reent.h>
#include <sys/times.h>
clock_t _times_r(struct _reent *<[ptr]>, struct tms *<[ptms]>);
TRAD_SYNOPSIS
#include <reent.h>
#include <sys/times.h>
clock_t _times_r(<[ptr]>, <[ptms]>)
struct _reent *<[ptr]>;
struct tms *<[ptms]>;
DESCRIPTION
This is a reentrant version of <<times>>. It
takes a pointer to the global data block, which holds
<<errno>>.
*/
clock_t
_times_r (ptr, ptms)
struct _reent *ptr;
struct tms *ptms;
{
clock_t ret;
ret = _times (ptms);
return ret;
}
/*
FUNCTION
<<_gettimeofday_r>>---Reentrant version of gettimeofday
INDEX
_gettimeofday_r
ANSI_SYNOPSIS
#include <reent.h>
#include <time.h>
int _gettimeofday_r(struct _reent *<[ptr]>,
struct timeval *<[ptimeval]>,
struct timezone *<[ptimezone]>);
TRAD_SYNOPSIS
#include <reent.h>
#include <time.h>
int _gettimeofday_r(<[ptr]>, <[ptimeval]>, <[ptimezone]>)
struct _reent *<[ptr]>;
struct timeval *<[ptimeval]>;
struct timezone *<[ptimezone]>;
DESCRIPTION
This is a reentrant version of <<gettimeofday>>. It
takes a pointer to the global data block, which holds
<<errno>>.
This function is only available for a few targets.
Check libc.a to see if its available on yours.
*/
int
_gettimeofday_r (ptr, ptimeval, ptimezone)
struct _reent *ptr;
struct timeval *ptimeval;
struct timezone *ptimezone;
{
int ret;
errno = 0;
if ((ret = _gettimeofday (ptimeval, ptimezone)) == -1 && errno != 0)
ptr->_errno = errno;
return ret;
}
#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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