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Streamline time/times functionality. Remove last remains of former

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Windows 9x compatibility.
	* fhandler_disk_file.cc (fhandler_base::fstat_helper): Drop now unneeded
	casts in calls to_timestruc_t.
	(fhandler_base::utimens_fs): Ditto for timespec_to_filetime.
	* fhandler_proc.cc (format_proc_stat): Ditto for to_time_t.
	* hires.h (class hires_ms): Remove unused member initime_ns.
	Remove declarations for timeGetTime_ns and prime.
	(hires_ms::uptime): Remove.
	* posix_ipc.cc (ipc_cond_timedwait): Ditto for timespec_to_filetime.
	* fhandler_registry.cc (fhandler_registry::fstat): Add cast.
	* resource.cc (fill_rusage): Call NtQueryInformationProcess rather than
	GetProcessTimes to deal with LARGE_INTEGER rather than FILETIME.
	* times.cc: Simplify time handling.  Throughout, use LARGE_INTEGER
	rather than FILETIME to simplify computations.  Throughout use
	{u}int64_t rather than {unsigned} long long.  Drop unneeded casts since
	NSPERSEC is 64 bit anyway.
	(systime_ns): Remove.
	(times): Call NtQuerySystemInformation to fetch boot time.  Call
	NtQueryInformationProcess rather than GetProcessTimes to deal with
	LARGE_INTEGER rather than FILETIME.  Call GetSystemTimeAsFileTime.
	(totimeval): Use constant 1000000 as in other functions.
	(time_t_to_filetime): Remove.
	(to_time_t): Change return type to time_t.
	(time_as_timestruc_t): Rename filetime to systime.
	(time): Ditto. Add cast.
	(hires_ns::nsecs): Fix return type cast.
	(hires_ms::timeGetTime_ns): Remove.
	(hires_ns::prime): Remove.
	(hires_ms::nsecs): Drop call to prime.  Call GetSystemTimeAsFileTime
	directly.  Subtract FACTOR here since it's the only function needing
	to do so.
	(minperiod): Cosmetically change to ULONG.
	(hires_ns::resolution): Fix return type cast.
	(hires_ms::resolution): Simplify, rely on NtQueryTimerResolution.
	* winsup.h: Align time related prototypes to above changes.
This commit is contained in:
Corinna Vinschen
2013-06-14 09:09:41 +00:00
parent ba763af559
commit 0ff057d5a5
9 changed files with 141 additions and 214 deletions
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14
winsup/cygwin/fhandler_disk_file.cc
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@@ -518,14 +518,14 @@ fhandler_base::fstat_helper (struct stat *buf,
PFILE_NETWORK_OPEN_INFORMATION pfnoi = pc.fnoi ();
ULONG attributes = pc.file_attributes ();
to_timestruc_t ((PFILETIME) &pfnoi->LastAccessTime, &buf->st_atim);
to_timestruc_t ((PFILETIME) &pfnoi->LastWriteTime, &buf->st_mtim);
to_timestruc_t (&pfnoi->LastAccessTime, &buf->st_atim);
to_timestruc_t (&pfnoi->LastWriteTime, &buf->st_mtim);
/* If the ChangeTime is 0, the underlying FS doesn't support this timestamp
(FAT for instance). If so, it's faked using LastWriteTime. */
to_timestruc_t (pfnoi->ChangeTime.QuadPart ? (PFILETIME) &pfnoi->ChangeTime
: (PFILETIME) &pfnoi->LastWriteTime,
to_timestruc_t (pfnoi->ChangeTime.QuadPart ? &pfnoi->ChangeTime
: &pfnoi->LastWriteTime,
&buf->st_ctim);
to_timestruc_t ((PFILETIME) &pfnoi->CreationTime, &buf->st_birthtim);
to_timestruc_t (&pfnoi->CreationTime, &buf->st_birthtim);
buf->st_dev = get_dev ();
/* CV 2011-01-13: Observations on the Cygwin mailing list point to an
interesting behaviour in some Windows versions. Apparently the size of
@@ -1343,8 +1343,8 @@ fhandler_base::utimens_fs (const struct timespec *tvp)
fbi.CreationTime.QuadPart = 0LL;
/* UTIME_OMIT is handled in timespec_to_filetime by setting FILETIME to 0. */
timespec_to_filetime (&tmp[0], (LPFILETIME) &fbi.LastAccessTime);
timespec_to_filetime (&tmp[1], (LPFILETIME) &fbi.LastWriteTime);
timespec_to_filetime (&tmp[0], &fbi.LastAccessTime);
timespec_to_filetime (&tmp[1], &fbi.LastWriteTime);
fbi.ChangeTime.QuadPart = 0LL;
fbi.FileAttributes = 0;
NTSTATUS status = NtSetInformationFile (get_handle (), &io, &fbi, sizeof fbi,