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* include/sys/time.h: Add header guard. Add extern "C" bracketing

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for __cplusplus.
	(gettimeofday): Add prototype.
	* mingwex/gettimeofday.c: New file.
	* mingwex/makefile.in: Add gettimeofday source and object.
This commit is contained in:
Danny Smith 2006-06-18 08:16:55 +00:00
parent 82a044a520
commit 5ade5bb0ea
4 changed files with 83 additions and 3 deletions
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8
winsup/mingw/ChangeLog
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@ -1,3 +1,11 @@
2006-06-18 Danny Smith <dannysmith@users.sourceforge.net>
* include/sys/time.h: Add header guard. Add extern "C" bracketing
for __cplusplus.
(gettimeofday): Add prototype.
* mingwex/gettimeofday.c: New file.
* mingwex/makefile.in: Add gettimeofday source and object.
2006-06-13 Danny Smith <dannysmith@users.sourceforge.net>
* include/math.h (HUGE_VAL): Define as builtin if __GNUC__ >= 3.3,

24
winsup/mingw/include/sys/time.h
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@ -1,6 +1,11 @@
#ifndef _SYS_TIME_H_
#define _SYS_TIME_H_
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _TIMEVAL_DEFINED /* also in winsock[2].h */
#define _TIMEVAL_DEFINED
struct timeval {
@ -14,3 +19,20 @@ struct timeval {
((tvp)->tv_usec cmp (uvp)->tv_usec))
#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
#endif /* _TIMEVAL_DEFINED */
/*
Implementation as per:
The Open Group Base Specifications, Issue 6
IEEE Std 1003.1, 2004 Edition
The timezone pointer arg is ignored. Errors are ignored.
*/
int __cdecl gettimeofday(struct timeval *__restrict__,
void *__restrict__ /* tzp (unused) */);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TIME_H_ */

5
winsup/mingw/mingwex/Makefile.in
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@ -35,7 +35,8 @@ DISTFILES = Makefile.in configure configure.in \
testwmem.c tst-aligned-malloc.c ulltoa.c ulltow.c wcstof.c \
wcstoimax.c wcstold.c wcstoumax.c wctrans.c wctype.c \
wdirent.c wmemchr.c wmemcmp.c wmemcpy.c wmemmove.c wmemset.c wtoll.c \
wcrtomb.c wctob.c mbrtowc.c btowc.c mb_wc_common.h
wcrtomb.c wctob.c mbrtowc.c btowc.c mb_wc_common.h \
gettimeofday.c
MATH_DISTFILES = \
acosf.c acosl.c asinf.c asinl.c atan2f.c atan2l.c \
atanf.c atanl.c cbrt.c cbrtf.c cbrtl.c ceilf.S ceill.S \
@ -163,7 +164,7 @@ FENV_OBJS = fesetround.o fegetround.o \
feclearexcept.o feholdexcept.o fegetexceptflag.o \
feraiseexcept.o fetestexcept.o fesetexceptflag.o
POSIX_OBJS = \
dirent.o wdirent.o getopt.o ftruncate.o
dirent.o wdirent.o getopt.o ftruncate.o gettimeofday.o
REPLACE_OBJS = \
mingw-aligned-malloc.o mingw-fseek.o
COMPLEX_OBJS = \

49
winsup/mingw/mingwex/gettimeofday.c Executable file
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@ -0,0 +1,49 @@
/*
* gettimeofday
* Implementation according to:
* The Open Group Base Specifications Issue 6
* IEEE Std 1003.1, 2004 Edition
*/
/*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Contributed by:
* Danny Smith <dannysmith@users.sourceforge.net>
*/
#include <sys/time.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
#define _W32_FT_OFFSET (116444736000000000ULL)
int __cdecl gettimeofday(struct timeval *__restrict__ tp,
void *__restrict__ tzp __attribute__((unused)))
{
union {
unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
FILETIME ft;
} _now;
if(tp)
{
GetSystemTimeAsFileTime (&_now.ft);
tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
}
/* Always return 0 as per Open Group Base Specifications Issue 6.
Do not set errno on error. */
return 0;
}