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 DEFAULT_DEBUG_CHANNEL(win32)
  22
  23
  24 /**********************************************************************
  25  *  ContinueDebugEvent [KERNEL32.146]
  26  */
  27 BOOL WINAPI ContinueDebugEvent(DWORD pid,DWORD tid,DWORD contstatus) {
  28     FIXME(win32,"(0x%lx,%ld,%ld): stub\n",pid,tid,contstatus);
  29         return TRUE;
  30 }
  31
  32 /*********************************************************************
  33  *      Process_ClockTimeToFileTime
  34  *      (olorin@fandra.org, 20-Sep-1998)
  35  *      Converts clock_t into FILETIME.
  36  *      Used by GetProcessTime.
  37  *      Differences to UnixTimeToFileTime:
  38  *          1) Divided by CLK_TCK
  39  *          2) Time is relative. There is no 'starting date', so there is
  40  *             no need in offset correction, like in UnixTimeToFileTime
  41  *      FIXME: This function should be moved to a more appropriate .c file
  42  *      FIXME: On floating point operations, it is assumed that
  43  *             floating values are truncated on convertion to integer.
  44  */
  45 void Process_ClockTimeToFileTime( clock_t unix_time, LPFILETIME filetime )
  46 {
  47     double td = (unix_time*10000000.0)/CLK_TCK;
  48     /* Yes, double, because long int might overflow here. */
  49 #if (SIZEOF_LONG_LONG >= 8)
  50     unsigned long long t = td;
  51     filetime->dwLowDateTime  = (UINT) t;
  52     filetime->dwHighDateTime = (UINT) (t >> 32);
  53 #else
  54     double divider = 1. * (1 << 16) * (1 << 16);
  55     filetime->dwHighDateTime = (UINT) (td / divider);
  56     filetime->dwLowDateTime  = (UINT) (td - filetime->dwHighDateTime*divider);
  57     /* using floor() produces wierd results, better leave this as it is
  58      * ( with (UINT32) convertion )
  59      */
  60 #endif
  61 }
  62
  63 /*********************************************************************
  64  *      GetProcessTimes                         [KERNEL32.262]
  65  *
  66  * FIXME: lpCreationTime, lpExitTime are NOT INITIALIZED.
  67  * olorin@fandra.org: Would be nice to substract the cpu time,
  68  *                    used by Wine at startup.
  69  *                    Also, there is a need to separate times
  70  *                    used by different applications.
  71  */
  72 BOOL WINAPI GetProcessTimes(
  73         HANDLE hprocess,LPFILETIME lpCreationTime,LPFILETIME lpExitTime,
  74         LPFILETIME lpKernelTime, LPFILETIME lpUserTime
  75 ) {
  76         struct tms tms;
  77
  78         times(&tms);
  79         Process_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
  80         Process_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
  81         return TRUE;
  82 }
  83