os-70-350

os-70-350 Commit Details


Date:2014-02-04 23:07:50 (11 years 9 months ago)
Author:Natalie Adams
Branch:master
Commit:3ec953c88fcef4e96c7705cefa094f0c76c8a8f7
Parents: ce324dbe48b25b7e9ae194d41b6ced2729f72d24
Message:Adding mlock example
Changes:

File differences

cp/main.cpp
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#include <Windows.h>␍␊
#include <string>␍␊
#include <vector>␍␊
␍␊
␍␊
void WriteStr(const char * str)␍␊
{␍␊
␉␍␊
␉// Open the source␍␊
␉// A little RAII␍␊
␉{␍␊
␉FileWrapper src(args[1], GENERIC_READ, OPEN_EXISTING);␍␊
␉if (GetLastError() == ERROR_FILE_NOT_FOUND)␍␊
␉{␍␊
␉␉␉break;␍␊
␉␉WriteFile(dst.getHandle(), buffer, numberofbytesread, &numberofbyteswritten, NULL);␍␊
␉}␍␊
␉}␍␊
␉␍␊
␉std::vector<wchar_t> wstr;␍␊
␉std::string x = args[1];␍␊
␉wstr.resize(x.size() + 1);␍␊
␉size_t convertedChars = 0;␍␊
␉mbstowcs_s(&convertedChars, &wstr[0], x.size() + 1, x.c_str(), _RUNCATE␍␊
␉DeleteFileA(args[1]);␍␊
␉return 0;␍␊
}
cp/test.txt
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THIS IS ONLY A TEST
ptypes-mlock/build.bat
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@echo off␍␊
call ../vcppbuild.bat mlock "/link user32.lib ../ext/libs/ptypes.lib"␍␊
mlock.exe␍␊
pause
ptypes-mlock/build.sh
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#!/bin/bash␍␊
␍␊
gcc -o monitor -lptypes mlock.cpp␍␊
./main
ptypes-mlock/mlock.cpp
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#include <ptypes/ptypes.h>␍␊
#include <ptypes/pasync.h>␍␊
#include <stdio.h>␍␊
#include <windows.h>␍␊
␍␊
USING_PTYPES␍␊
␍␊
␍␊
#define LOOP 20000␍␊
␍␊
volatile int counter = -1;␍␊
volatile unsigned long gvar = 0;␍␊
mutex m_lock;␍␊
␍␊
DWORD WINAPI produce(void* data) {␍␊
␉scopelock l(m_lock);␍␊
␉int i = 0;␍␊
␉for (i = 0; i < LOOP; i++)␍␊
␉␉gvar++;␍␊
␉return 0;␍␊
}␍␊
␍␊
DWORD WINAPI consume(void* data) {␍␊
␉scopelock l(m_lock);␍␊
␉int i = 0;␍␊
␉for (i = 0; i < LOOP; i++)␍␊
␉␉gvar--;␍␊
␉return 0;␍␊
}␍␊
␍␊
int main() {␍␊
HANDLE thread1, thread2;␍␊
thread1 = CreateThread(NULL, 0, produce, NULL, 0, NULL);␍␊
thread2 = CreateThread(NULL, 0, consume, NULL, 0, NULL);␍␊
WaitForSingleObject(thread1, INFINITE);␍␊
WaitForSingleObject(thread2, INFINITE);␍␊
printf("gvar = %lu\n", gvar);␍␊
}

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