win32/process.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis
   5  */
   6
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include <sys/times.h>
  10 #include "winbase.h"
  11 #include "winerror.h"
  12 #include "heap.h"
  13 #include "thread.h"
  14 #include "process.h"
  15 #include "pe_image.h"
  16 #include "file.h"
  17 #include "task.h"
  18 #include "toolhelp.h"
  19 #include "debug.h"
  20
  21
  22 /**********************************************************************
  23  *  ContinueDebugEvent [KERNEL32.146]
  24  */
  25 BOOL WINAPI ContinueDebugEvent(DWORD pid,DWORD tid,DWORD contstatus) {
  26     FIXME(win32,"(0x%lx,%ld,%ld): stub\n",pid,tid,contstatus);
  27         return TRUE;
  28 }
  29
  30 /*********************************************************************
  31  *      Process_ClockTimeToFileTime
  32  *      (olorin@fandra.org, 20-Sep-1998)
  33  *      Converts clock_t into FILETIME.
  34  *      Used by GetProcessTime.
  35  *      Differences to UnixTimeToFileTime:
  36  *          1) Divided by CLK_TCK
  37  *          2) Time is relative. There is no 'starting date', so there is
  38  *             no need in offset correction, like in UnixTimeToFileTime
  39  *      FIXME: This function should be moved to a more appropriate .c file
  40  *      FIXME: On floating point operations, it is assumed that
  41  *             floating values are truncated on convertion to integer.
  42  */
  43 void Process_ClockTimeToFileTime( clock_t unix_time, LPFILETIME filetime )
  44 {
  45     double td = (unix_time*10000000.0)/CLK_TCK;
  46     /* Yes, double, because long int might overflow here. */
  47 #if (SIZEOF_LONG_LONG >= 8)
  48     unsigned long long t = td;
  49     filetime->dwLowDateTime  = (UINT) t;
  50     filetime->dwHighDateTime = (UINT) (t >> 32);
  51 #else
  52     double divider = 1. * (1 << 16) * (1 << 16);
  53     filetime->dwHighDateTime = (UINT) (td / divider);
  54     filetime->dwLowDateTime  = (UINT) (td - filetime->dwHighDateTime*divider);
  55     /* using floor() produces wierd results, better leave this as it is
  56      * ( with (UINT32) convertion )
  57      */
  58 #endif
  59 }
  60
  61 /*********************************************************************
  62  *      GetProcessTimes                         [KERNEL32.262]
  63  *
  64  * FIXME: lpCreationTime, lpExitTime are NOT INITIALIZED.
  65  * olorin@fandra.org: Would be nice to substract the cpu time,
  66  *                    used by Wine at startup.
  67  *                    Also, there is a need to separate times
  68  *                    used by different applications.
  69  */
  70 BOOL WINAPI GetProcessTimes(
  71         HANDLE hprocess,LPFILETIME lpCreationTime,LPFILETIME lpExitTime,
  72         LPFILETIME lpKernelTime, LPFILETIME lpUserTime
  73 ) {
  74         struct tms tms;
  75
  76         times(&tms);
  77         Process_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
  78         Process_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
  79         return TRUE;
  80 }
  81