Torque3D/Engine/source/platformX86UNIX/x86UNIXUtils.h
2012-09-19 11:15:01 -04:00

91 lines
2.9 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _X86UNIXUTILS_H_
#define _X86UNIXUTILS_H_
struct utsname;
class UnixUtils
{
public:
UnixUtils();
virtual ~UnixUtils();
/**
Returns true if we're running in the background, false otherwise.
There's no "standard" way to determine this in unix, but
modern job control unices should support the method described
here:
http://www.faqs.org/faqs/unix-faq/faq/part3/
(question 3.7)
*/
bool inBackground();
/**
Returns the name of the OS, as reported by uname.
*/
const char* getOSName();
private:
struct utsname* mUnameInfo;
};
extern UnixUtils *UUtils;
// utility class for running a unix command and capturing its output
class UnixCommandExecutor
{
private:
int mRet;
int mStdoutSave;
int mStderrSave;
int mPipeFiledes[2];
int mChildPID;
int mBytesRead;
bool mStdoutClosed;
bool mStderrClosed;
bool mChildExited;
void clearFields();
void cleanup();
public:
UnixCommandExecutor();
~UnixCommandExecutor();
// Runs the specified command.
// - args is a null terminated list of the command and its arguments,
// e.g: "ps", "-aux", NULL
// - stdoutCapture is the buffer where stdout data will be stored
// - stdoutCaptureSize is the size of the buffer
// None of these parameters may be null. stdoutCaptureSize must be > 0
//
// returns -2 if the parameters are bad. returns -1 if some other
// error occurs, check errno for the exact error.
int exec(char* args[], char* stdoutCapture, int stdoutCaptureSize);
};
#endif