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* autoload.cc (GetSystemTimePreciseAsFileTime): Define.

Browse Source 
* times.cc (GetSystemTimePreciseAsFileTime): Temporarily declare here
	to workaround missing definition in 32 bit w32api headers.
	(get_system_time): New always inline function to call either
	GetSystemTimePreciseAsFileTime or GetSystemTimeAsFileTime on a per OS
	basis.  Call throughout instead of GetSystemTimeAsFileTime.
	* wincap.h (wincaps::has_precise_system_time): New element.
	* wincap.cc: Implement above element throughout.
This commit is contained in:
Corinna Vinschen 2013-06-14 15:41:17 +00:00
parent 0ff057d5a5
commit 7584fa98d4
5 changed files with 34 additions and 5 deletions
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13
winsup/cygwin/ChangeLog
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@ -1,4 +1,15 @@
2013-06-13 Corinna Vinschen <corinna@vinschen.de> 2013-06-14 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (GetSystemTimePreciseAsFileTime): Define.
* times.cc (GetSystemTimePreciseAsFileTime): Temporarily declare here
to workaround missing definition in 32 bit w32api headers.
(get_system_time): New always inline function to call either
GetSystemTimePreciseAsFileTime or GetSystemTimeAsFileTime on a per OS
basis. Call throughout instead of GetSystemTimeAsFileTime.
* wincap.h (wincaps::has_precise_system_time): New element.
* wincap.cc: Implement above element throughout.
2013-06-14 Corinna Vinschen <corinna@vinschen.de>
Streamline time/times functionality. Remove last remains of former Streamline time/times functionality. Remove last remains of former
Windows 9x compatibility. Windows 9x compatibility.

1
winsup/cygwin/autoload.cc
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@ -577,6 +577,7 @@ LoadDLLfunc (GetUdpTable, 12, iphlpapi)
LoadDLLfuncEx (CancelSynchronousIo, 4, kernel32, 1) LoadDLLfuncEx (CancelSynchronousIo, 4, kernel32, 1)
LoadDLLfunc (CreateSymbolicLinkW, 12, kernel32) LoadDLLfunc (CreateSymbolicLinkW, 12, kernel32)
LoadDLLfuncEx (GetNamedPipeClientProcessId, 8, kernel32, 1) LoadDLLfuncEx (GetNamedPipeClientProcessId, 8, kernel32, 1)
LoadDLLfunc (GetSystemTimePreciseAsFileTime, 4, kernel32)
LoadDLLfunc (LocaleNameToLCID, 8, kernel32) LoadDLLfunc (LocaleNameToLCID, 8, kernel32)
LoadDLLfunc (WNetCloseEnum, 4, mpr) LoadDLLfunc (WNetCloseEnum, 4, mpr)

18
winsup/cygwin/times.cc
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@ -31,6 +31,16 @@ hires_ms NO_COPY gtod;
hires_ns NO_COPY ntod; hires_ns NO_COPY ntod;
extern "C" { void WINAPI GetSystemTimePreciseAsFileTime (LPFILETIME); }
static inline void __attribute__ ((always_inline))
get_system_time (PLARGE_INTEGER systime)
{
wincap.has_precise_system_time ()
? GetSystemTimePreciseAsFileTime ((LPFILETIME) systime)
: GetSystemTimeAsFileTime ((LPFILETIME) systime);
}
/* Cygwin internal */ /* Cygwin internal */
static uint64_t __stdcall static uint64_t __stdcall
__to_clock_t (PLARGE_INTEGER src, int flag) __to_clock_t (PLARGE_INTEGER src, int flag)
@ -64,7 +74,7 @@ times (struct tms *buf)
NtQueryInformationProcess (NtCurrentProcess (), ProcessTimes, NtQueryInformationProcess (NtCurrentProcess (), ProcessTimes,
&kut, sizeof kut, NULL); &kut, sizeof kut, NULL);
GetSystemTimeAsFileTime ((LPFILETIME) &ticks); get_system_time (&ticks);
/* uptime */ /* uptime */
ticks.QuadPart -= stodi.BootTime.QuadPart; ticks.QuadPart -= stodi.BootTime.QuadPart;
@ -286,7 +296,7 @@ time_as_timestruc_t (timestruc_t * out)
{ {
LARGE_INTEGER systime; LARGE_INTEGER systime;
GetSystemTimeAsFileTime ((LPFILETIME) &systime); get_system_time (&systime);
to_timestruc_t (&systime, out); to_timestruc_t (&systime, out);
} }
@ -298,7 +308,7 @@ time (time_t * ptr)
time_t res; time_t res;
LARGE_INTEGER systime; LARGE_INTEGER systime;
GetSystemTimeAsFileTime ((LPFILETIME) &systime); get_system_time (&systime);
res = to_time_t (&systime); res = to_time_t (&systime);
if (ptr) if (ptr)
*ptr = res; *ptr = res;
@ -486,7 +496,7 @@ LONGLONG
hires_ms::nsecs () hires_ms::nsecs ()
{ {
LARGE_INTEGER systime; LARGE_INTEGER systime;
GetSystemTimeAsFileTime ((LPFILETIME) &systime); get_system_time (&systime);
/* Add conversion factor for UNIX vs. Windows base time */ /* Add conversion factor for UNIX vs. Windows base time */
return systime.QuadPart - FACTOR; return systime.QuadPart - FACTOR;
} }

5
winsup/cygwin/wincap.cc
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@ -48,6 +48,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_program_compatibility_assistant:false, has_program_compatibility_assistant:false,
has_pipe_reject_remote_clients:false, has_pipe_reject_remote_clients:false,
terminate_thread_frees_stack:false, terminate_thread_frees_stack:false,
has_precise_system_time:false,
}; };
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = { wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -75,6 +76,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_program_compatibility_assistant:false, has_program_compatibility_assistant:false,
has_pipe_reject_remote_clients:false, has_pipe_reject_remote_clients:false,
terminate_thread_frees_stack:false, terminate_thread_frees_stack:false,
has_precise_system_time:false,
}; };
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = { wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -102,6 +104,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_program_compatibility_assistant:true, has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true, has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true, terminate_thread_frees_stack:true,
has_precise_system_time:false,
}; };
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = { wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -129,6 +132,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_program_compatibility_assistant:true, has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true, has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true, terminate_thread_frees_stack:true,
has_precise_system_time:false,
}; };
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = { wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -156,6 +160,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_program_compatibility_assistant:true, has_program_compatibility_assistant:true,
has_pipe_reject_remote_clients:true, has_pipe_reject_remote_clients:true,
terminate_thread_frees_stack:true, terminate_thread_frees_stack:true,
has_precise_system_time:true,
}; };
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared)); wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));

2
winsup/cygwin/wincap.h
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@ -38,6 +38,7 @@ struct wincaps
unsigned has_program_compatibility_assistant : 1; unsigned has_program_compatibility_assistant : 1;
unsigned has_pipe_reject_remote_clients : 1; unsigned has_pipe_reject_remote_clients : 1;
unsigned terminate_thread_frees_stack : 1; unsigned terminate_thread_frees_stack : 1;
unsigned has_precise_system_time : 1;
}; };
class wincapc class wincapc
@ -87,6 +88,7 @@ public:
bool IMPLEMENT (has_program_compatibility_assistant) bool IMPLEMENT (has_program_compatibility_assistant)
bool IMPLEMENT (has_pipe_reject_remote_clients) bool IMPLEMENT (has_pipe_reject_remote_clients)
bool IMPLEMENT (terminate_thread_frees_stack) bool IMPLEMENT (terminate_thread_frees_stack)
bool IMPLEMENT (has_precise_system_time)
#undef IMPLEMENT #undef IMPLEMENT
}; };