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Internal time differences now use monotonic time source if available.

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This also implies the removal of the winmm.lib dependency for WIN32.
This commit is contained in:
Yang Tse
2008-05-09 16:31:51 +00:00
parent d708ef6731
commit 19479ea021
17 changed files with 191 additions and 223 deletions
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2
lib/Makefile.Watcom
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@@ -10,7 +10,7 @@ CC = wcc386
CFLAGS = -3r -mf -d3 -hc -zff -zgf -zq -zm -zc -s -fr=con -w2 -fpi -oilrtfm -bt=nt &
-bd -d+ -dWIN32 -dCURL_CA_BUNDLE=getenv("CURL_CA_BUNDLE") &
-dBUILDING_LIBCURL -dWITHOUT_MM_LIB -dHAVE_SPNEGO=1 -dENABLE_IPV6 &
-dBUILDING_LIBCURL -dHAVE_SPNEGO=1 -dENABLE_IPV6 &
-dDEBUG_THREADING_GETADDRINFO -dDEBUG=1 -dCURLDEBUG -d_WIN32_WINNT=0x0501 &
-dWINBERAPI=__declspec(cdecl) -dWINLDAPAPI=__declspec(cdecl) &
-I. -I..\include

2
lib/Makefile.m32
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@@ -96,7 +96,7 @@ ifndef USE_LDAP_OPENLDAP
DLL_LIBS += -lwldap32
endif
endif
DLL_LIBS += -lws2_32 -lwinmm
DLL_LIBS += -lws2_32
COMPILE = $(CC) $(INCLUDES) $(CFLAGS)
# Makefile.inc provides the CSOURCES and HHEADERS defines

12
lib/Makefile.vc6
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@@ -66,10 +66,6 @@ WINDOWS_SDK_PATH = "C:\Program Files\Microsoft SDK"
!ENDIF
!ENDIF
# Use the high resolution time by default. Comment this out to use low
# resolution time and not require winmm.lib
USEMM_LIBS = YES
#############################################################
## Nothing more to do below this line!
@@ -85,13 +81,9 @@ LFLAGS = /nologo /machine:$(MACHINE)
SSLLIBS = libeay32.lib ssleay32.lib
ZLIBLIBSDLL= zdll.lib
ZLIBLIBS = zlib.lib
!IFDEF USEMM_LIBS
WINLIBS = wsock32.lib wldap32.lib winmm.lib
!ELSE
WINLIBS = wsock32.lib wldap32.lib
CFLAGS = $(CFLAGS) /DWITHOUT_MM_LIB
!ENDIF
# RSAglue.lib was formerly needed in the SSLLIBS
CFLAGS = $(CFLAGS)
CFGSET = FALSE
!IFDEF WINDOWS_SSPI

1
lib/config-win32ce.h
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@@ -350,7 +350,6 @@
#define CURL_DISABLE_FILE 1
#define CURL_DISABLE_TELNET 1
#define CURL_DISABLE_LDAP 1
#define WITHOUT_MM_LIB 1
#ifdef HAVE_WINDOWS_H
# ifndef WIN32_LEAN_AND_MEAN

4
lib/msvcproj.head
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@@ -54,7 +54,7 @@ BSC32=bscmake.exe
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
# ADD LINK32 kernel32.lib ws2_32.lib wldap32.lib winmm.lib /nologo /dll /map /debug /machine:I386 /out:"Release/libcurl.dll"
# ADD LINK32 kernel32.lib ws2_32.lib wldap32.lib /nologo /dll /map /debug /machine:I386 /out:"Release/libcurl.dll"
!ELSEIF "$(CFG)" == "curllib - Win32 Debug"
@@ -81,7 +81,7 @@ BSC32=bscmake.exe
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
# ADD LINK32 kernel32.lib ws2_32.lib wldap32.lib winmm.lib /nologo /dll /incremental:no /map /debug /machine:I386 /out:"Debug/libcurl.dll" /pdbtype:sept
# ADD LINK32 kernel32.lib ws2_32.lib wldap32.lib /nologo /dll /incremental:no /map /debug /machine:I386 /out:"Debug/libcurl.dll" /pdbtype:sept
# SUBTRACT LINK32 /nodefaultlib
!ENDIF

4
lib/select.c
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@@ -184,7 +184,7 @@ int Curl_socket_ready(curl_socket_t readfd, curl_socket_t writefd,
return r;
}
/* Avoid initial timestamp, avoid gettimeofday() call, when elapsed
/* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
time in this function does not need to be measured. This happens
when function is called with a zero timeout or a negative timeout
value indicating a blocking call should be performed. */
@@ -368,7 +368,7 @@ int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
return r;
}
/* Avoid initial timestamp, avoid gettimeofday() call, when elapsed
/* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
time in this function does not need to be measured. This happens
when function is called with a zero timeout or a negative timeout
value indicating a blocking call should be performed. */

113
lib/timeval.c
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@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -23,69 +23,70 @@
#include "timeval.h"
#ifndef HAVE_GETTIMEOFDAY
#if defined(WIN32) && !defined(MSDOS)
#ifdef WIN32
#include <mmsystem.h>
static int gettimeofday(struct timeval *tp, void *nothing)
{
#ifdef WITHOUT_MM_LIB
SYSTEMTIME st;
time_t tt;
struct tm tmtm;
/* mktime converts local to UTC */
GetLocalTime (&st);
tmtm.tm_sec = st.wSecond;
tmtm.tm_min = st.wMinute;
tmtm.tm_hour = st.wHour;
tmtm.tm_mday = st.wDay;
tmtm.tm_mon = st.wMonth - 1;
tmtm.tm_year = st.wYear - 1900;
tmtm.tm_isdst = -1;
tt = mktime (&tmtm);
tp->tv_sec = tt;
tp->tv_usec = st.wMilliseconds * 1000;
#else
/**
** The earlier time calculations using GetLocalTime
** had a time resolution of 10ms.The timeGetTime, part
** of multimedia apis offer a better time resolution
** of 1ms.Need to link against winmm.lib for this
**/
unsigned long Ticks = 0;
unsigned long Sec =0;
unsigned long Usec = 0;
Ticks = timeGetTime();
Sec = Ticks/1000;
Usec = (Ticks - (Sec*1000))*1000;
tp->tv_sec = Sec;
tp->tv_usec = Usec;
#endif /* WITHOUT_MM_LIB */
(void)nothing;
return 0;
}
#else /* WIN32 */
/* non-win32 version of Curl_gettimeofday() */
static int gettimeofday(struct timeval *tp, void *nothing)
{
(void)nothing; /* we don't support specific time-zones */
tp->tv_sec = (long)time(NULL);
tp->tv_usec = 0;
return 0;
}
#endif /* WIN32 */
#endif /* HAVE_GETTIMEOFDAY */
/* Return the current time in a timeval struct */
struct timeval curlx_tvnow(void)
{
/*
** GetTickCount() is available on _all_ Windows versions from W95 up
** to nowadays. Returns milliseconds elapsed since last system boot,
** increases monotonically and wraps once 49.7 days have elapsed.
*/
struct timeval now;
DWORD milliseconds = GetTickCount();
now.tv_sec = milliseconds / 1000;
now.tv_usec = (milliseconds % 1000) * 1000;
return now;
}
#elif defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
struct timeval curlx_tvnow(void)
{
/*
** clock_gettime() is granted to be increased monotonically when the
** monotonic clock is queried. Time starting point is unspecified, it
** could be the system start-up time, the Epoch, or something else,
** in any case the time starting point does not change once that the
** system has started up.
*/
struct timeval now;
struct timespec tsnow;
(void)clock_gettime(CLOCK_MONOTONIC, &tsnow)
now.tv_sec = tsnow.tv_sec;
now.tv_usec = tsnow.tv_nsec / 1000;
return now;
}
#elif defined(HAVE_GETTIMEOFDAY)
struct timeval curlx_tvnow(void)
{
/*
** gettimeofday() is not granted to be increased monotonically, due to
** clock drifting and external source time synchronization it can jump
** forward or backward in time.
*/
struct timeval now;
(void)gettimeofday(&now, NULL);
return now;
}
#else
struct timeval curlx_tvnow(void)
{
/*
** time() returns the value of time in seconds since the Epoch.
*/
struct timeval now;
now.tv_sec = (long)time(NULL);
now.tv_usec = 0;
return now;
}
#endif
/*
* Make sure that the first argument is the more recent time, as otherwise
* we'll get a weird negative time-diff back...