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dtime_.c: Handle all variants of WIN32.

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* libU77/dtime_.c: Handle all variants of WIN32.
        * libU77/etime_.c: Likewise.

From-SVN: r26358
This commit is contained in:
Mumit Khan 1999-04-12 01:25:38 +00:00 committed by Jeff Law
parent 2206b47188
commit d2ec29fbf1
3 changed files with 146 additions and 2 deletions
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3
libf2c/ChangeLog
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@ -1,5 +1,8 @@
Sun Apr 11 23:30:42 1999 Mumit Khan <khan@xraylith.wisc.edu>
* libU77/dtime_.c: Handle all variants of WIN32.
* libU77/etime_.c: Likewise.
* libU77/aclocal.m4: New file.
* libU77/configure.in (LIBU77_HAVE_STRUCT_TIMEZONE): Add test.
* libU77/acconfig.h (HAVE_STRUCT_TIMEZONE): Add macro.

73
libf2c/libU77/dtime_.c
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@ -33,6 +33,11 @@ Boston, MA 02111-1307, USA. */
# include <sys/time.h>
# include <sys/resource.h>
#endif
#if defined (_WIN32)
# include <windows.h>
# undef min
# undef max
#endif
#include <errno.h> /* for ENOSYS */
#include "f2c.h"
@ -50,7 +55,73 @@ double G77_dtime_0 (tarray)
double G77_dtime_0 (real tarray[2])
#endif
{
#if defined (HAVE_GETRUSAGE) || defined (HAVE_TIMES)
#if defined (_WIN32)
static int win32_platform = -1;
if (win32_platform == -1)
{
OSVERSIONINFO osv;
osv.dwOSVersionInfoSize = sizeof (osv);
GetVersionEx (&osv);
win32_platform = osv.dwPlatformId;
}
/* We need to use this hack on non-NT platforms, where the first call
returns 0.0 and subsequent ones return the correct value. */
if (win32_platform != VER_PLATFORM_WIN32_NT)
{
static unsigned long long clock_freq;
static unsigned long long old_count;
unsigned long long count;
double delta;
LARGE_INTEGER counter_val;
if (clock_freq == 0)
{
LARGE_INTEGER freq;
if (! QueryPerformanceFrequency (&freq))
{
errno = ENOSYS;
return 0.0;
}
else
{
clock_freq = ((unsigned long long) freq.HighPart << 32)
+ ((unsigned) freq.LowPart);
}
}
if (! QueryPerformanceCounter (&counter_val))
return -1.0;
count = ((unsigned long long) counter_val.HighPart << 32)
+ (unsigned) counter_val.LowPart;
delta = ((double) (count - old_count)) / clock_freq;
tarray[0] = (float) delta;
tarray[1] = 0.0;
old_count = count;
}
else
{
static unsigned long long old_utime, old_stime;
unsigned long long utime, stime;
FILETIME creation_time, exit_time, kernel_time, user_time;
GetProcessTimes (GetCurrentProcess (), &creation_time, &exit_time,
&kernel_time, &user_time);
utime = ((unsigned long long) user_time.dwHighDateTime << 32)
+ (unsigned) user_time.dwLowDateTime;
stime = ((unsigned long long) kernel_time.dwHighDateTime << 32)
+ (unsigned) kernel_time.dwLowDateTime;
tarray[0] = (utime - old_utime) / 1.0e7;
tarray[1] = (stime - old_stime) / 1.0e7;
old_utime = utime;
old_stime = stime;
}
return tarray[0] + tarray[1];
#elif defined (HAVE_GETRUSAGE) || defined (HAVE_TIMES)
/* The getrusage version is only the default for convenience. */
#ifdef HAVE_GETRUSAGE
float utime, stime;

72
libf2c/libU77/etime_.c
View File

@ -33,6 +33,11 @@ Boston, MA 02111-1307, USA. */
# include <sys/time.h>
# include <sys/resource.h>
#endif
#if defined (_WIN32)
# include <windows.h>
# undef min
# undef max
#endif
#include <errno.h> /* for ENOSYS */
#include "f2c.h"
@ -50,7 +55,72 @@ double G77_etime_0 (tarray)
double G77_etime_0 (real tarray[2])
#endif
{
#if defined (HAVE_GETRUSAGE) || defined (HAVE_TIMES)
#if defined (_WIN32)
static int win32_platform = -1;
double usertime, systime;
if (win32_platform == -1)
{
OSVERSIONINFO osv;
osv.dwOSVersionInfoSize = sizeof (osv);
GetVersionEx (&osv);
win32_platform = osv.dwPlatformId;
}
/* non-NT platforms don't have a clue as to how long a process has
been running, so simply return the uptime. Bad judgement call? */
if (win32_platform != VER_PLATFORM_WIN32_NT)
{
static unsigned long long clock_freq;
static unsigned long long old_count;
unsigned long long count;
LARGE_INTEGER counter_val;
if (clock_freq == 0)
{
LARGE_INTEGER freq;
if (! QueryPerformanceFrequency (&freq))
{
errno = ENOSYS;
return 0.0;
}
else
{
clock_freq = ((unsigned long long) freq.HighPart << 32)
+ ((unsigned) freq.LowPart);
if (! QueryPerformanceCounter (&counter_val))
return -1.0;
old_count = ((unsigned long long) counter_val.HighPart << 32)
+ (unsigned) counter_val.LowPart;
}
}
if (! QueryPerformanceCounter (&counter_val))
return -1.0;
count = ((unsigned long long) counter_val.HighPart << 32)
+ (unsigned) counter_val.LowPart;
tarray[0] = usertime = (double) (count - old_count) / clock_freq;
tarray[1] = systime = 0.0;
}
else
{
FILETIME creation_time, exit_time, kernel_time, user_time;
unsigned long long utime, stime;
GetProcessTimes (GetCurrentProcess (), &creation_time, &exit_time,
&kernel_time, &user_time);
utime = ((unsigned long long) user_time.dwHighDateTime << 32)
+ (unsigned) user_time.dwLowDateTime;
stime = ((unsigned long long) kernel_time.dwHighDateTime << 32)
+ (unsigned) kernel_time.dwLowDateTime;
tarray[0] = usertime = utime / 1.0e7;
tarray[1] = systime = stime / 1.0e7;
}
return usertime + systime;
#elif defined (HAVE_GETRUSAGE) || defined (HAVE_TIMES)
/* The getrusage version is only the default for convenience. */
#ifdef HAVE_GETRUSAGE
struct rusage rbuff;