mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
48fdf91d0f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28639 91177308-0d34-0410-b5e6-96231b3b80d8
135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
//===- Win32/Process.cpp - Win32 Process Implementation ------- -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Jeff Cohen and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file provides the Win32 specific implementation of the Process class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Win32.h"
|
|
#include <psapi.h>
|
|
#include <malloc.h>
|
|
#include <io.h>
|
|
|
|
#ifdef __MINGW32__
|
|
#if (HAVE_LIBPSAPI != 1)
|
|
#error "libpsapi.a should be present"
|
|
#endif
|
|
#else
|
|
#pragma comment(lib, "psapi.lib")
|
|
#endif
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
//=== WARNING: Implementation here must contain only Win32 specific code
|
|
//=== and must not be UNIX code
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifdef __MINGW32__
|
|
// This ban should be lifted when MinGW 1.0+ has defined this value.
|
|
# define _HEAPOK (-2)
|
|
#endif
|
|
|
|
namespace llvm {
|
|
using namespace sys;
|
|
|
|
// This function retrieves the page size using GetSystemInfo and is present
|
|
// solely so it can be called once in Process::GetPageSize to initialize the
|
|
// static variable PageSize.
|
|
inline unsigned GetPageSizeOnce() {
|
|
// NOTE: A 32-bit application running under WOW64 is supposed to use
|
|
// GetNativeSystemInfo. However, this interface is not present prior
|
|
// to Windows XP so to use it requires dynamic linking. It is not clear
|
|
// how this affects the reported page size, if at all. One could argue
|
|
// that LLVM ought to run as 64-bits on a 64-bit system, anyway.
|
|
SYSTEM_INFO info;
|
|
GetSystemInfo(&info);
|
|
return static_cast<unsigned>(info.dwPageSize);
|
|
}
|
|
|
|
unsigned
|
|
Process::GetPageSize() {
|
|
static const unsigned PageSize = GetPageSizeOnce();
|
|
return PageSize;
|
|
}
|
|
|
|
size_t
|
|
Process::GetMallocUsage()
|
|
{
|
|
_HEAPINFO hinfo;
|
|
hinfo._pentry = NULL;
|
|
|
|
size_t size = 0;
|
|
|
|
while (_heapwalk(&hinfo) == _HEAPOK)
|
|
size += hinfo._size;
|
|
|
|
return size;
|
|
}
|
|
|
|
size_t
|
|
Process::GetTotalMemoryUsage()
|
|
{
|
|
PROCESS_MEMORY_COUNTERS pmc;
|
|
GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc));
|
|
return pmc.PagefileUsage;
|
|
}
|
|
|
|
void
|
|
Process::GetTimeUsage(
|
|
TimeValue& elapsed, TimeValue& user_time, TimeValue& sys_time)
|
|
{
|
|
elapsed = TimeValue::now();
|
|
|
|
uint64_t ProcCreate, ProcExit, KernelTime, UserTime;
|
|
GetProcessTimes(GetCurrentProcess(), (FILETIME*)&ProcCreate,
|
|
(FILETIME*)&ProcExit, (FILETIME*)&KernelTime,
|
|
(FILETIME*)&UserTime);
|
|
|
|
// FILETIME's are # of 100 nanosecond ticks (1/10th of a microsecond)
|
|
user_time.seconds( UserTime / 10000000 );
|
|
user_time.nanoseconds( unsigned(UserTime % 10000000) * 100 );
|
|
sys_time.seconds( KernelTime / 10000000 );
|
|
sys_time.nanoseconds( unsigned(KernelTime % 10000000) * 100 );
|
|
}
|
|
|
|
int Process::GetCurrentUserId()
|
|
{
|
|
return 65536;
|
|
}
|
|
|
|
int Process::GetCurrentGroupId()
|
|
{
|
|
return 65536;
|
|
}
|
|
|
|
// Some LLVM programs such as bugpoint produce core files as a normal part of
|
|
// their operation. To prevent the disk from filling up, this configuration item
|
|
// does what's necessary to prevent their generation.
|
|
void Process::PreventCoreFiles() {
|
|
// Windows doesn't do core files, but it does do modal pop-up message
|
|
// boxes. As this method is used by bugpoint, preventing these pop-ups
|
|
// is the moral equivalent of suppressing core files.
|
|
SetErrorMode(SEM_FAILCRITICALERRORS |
|
|
SEM_NOGPFAULTERRORBOX |
|
|
SEM_NOOPENFILEERRORBOX);
|
|
}
|
|
|
|
bool Process::StandardInIsUserInput() {
|
|
return GetFileType((HANDLE)_get_osfhandle(0)) == FILE_TYPE_CHAR;
|
|
}
|
|
|
|
bool Process::StandardOutIsDisplayed() {
|
|
return GetFileType((HANDLE)_get_osfhandle(1)) == FILE_TYPE_CHAR;
|
|
}
|
|
|
|
bool Process::StandardErrIsDisplayed() {
|
|
return GetFileType((HANDLE)_get_osfhandle(2)) == FILE_TYPE_CHAR;
|
|
}
|
|
|
|
}
|