mirror of
https://github.com/reactos/reactos.git
synced 2024-12-26 17:14:41 +00:00
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
#include <stdio.h>
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#include <windows.h>
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#include <stdlib.h>
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#include <string.h>
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/* This tests the ability of the target win32 to create an anonymous file
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* mapping, create a mapping view with MapViewOfFile, and then realize the
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* pages with VirtualAlloc.
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*/
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int main( int argc, char **argv ) {
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HANDLE file_view;
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void *file_map;
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int *x;
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fprintf( stderr, "%lu: Starting\n", GetCurrentProcessId() );
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if( argc == 2 ) {
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file_map = (void *)atoi(argv[1]);
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} else {
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file_map = CreateFileMapping( INVALID_HANDLE_VALUE,
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NULL,
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PAGE_READWRITE | SEC_RESERVE,
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0, 0x1000, NULL );
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if( !SetHandleInformation( file_map,
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HANDLE_FLAG_INHERIT,
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HANDLE_FLAG_INHERIT ) ) {
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fprintf( stderr, "%lu: Could not make handle inheritable.\n",
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GetCurrentProcessId() );
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return 100;
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}
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}
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if( !file_map ) {
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fprintf( stderr, "%lu: Could not create anonymous file map.\n",
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GetCurrentProcessId() );
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return 1;
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}
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file_view = MapViewOfFile( file_map,
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FILE_MAP_WRITE,
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0,
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0,
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0x1000 );
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if( !file_view ) {
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fprintf( stderr, "%lu: Could not map view of file.\n",
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GetCurrentProcessId() );
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return 2;
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}
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if( !VirtualAlloc( file_view, 0x1000, MEM_COMMIT, PAGE_READWRITE ) ) {
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fprintf( stderr, "%lu: VirtualAlloc failed to realize the page.\n",
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GetCurrentProcessId() );
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return 3;
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}
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x = (int *)file_view;
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x[0] = 0x12345678;
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if( x[0] != 0x12345678 ) {
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fprintf( stderr, "%lu: Can't write to the memory (%08x != 0x12345678)\n",
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GetCurrentProcessId(), x[0] );
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return 4;
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}
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if( argc == 1 ) {
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STARTUPINFO si;
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PROCESS_INFORMATION pi;
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char cmdline[1000];
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memset( &si, 0, sizeof( si ) );
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memset( &pi, 0, sizeof( pi ) );
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sprintf(cmdline,"%s %d", argv[0], (int)file_map);
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if( !CreateProcess(NULL, cmdline, NULL, NULL, TRUE, 0, NULL, NULL,
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&si, &pi ) ) {
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fprintf( stderr, "%lu: Could not create child process.\n",
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GetCurrentProcessId() );
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return 5;
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}
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if( WaitForSingleObject( pi.hThread, INFINITE ) != WAIT_OBJECT_0 ) {
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fprintf( stderr, "%lu: Failed to wait for child process to terminate.\n",
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GetCurrentProcessId() );
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return 6;
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}
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}
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return 0;
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}
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