reactos/rosapps/tests/p_dup_handle/p_dup_handle.c

70 lines
1.7 KiB
C
Raw Normal View History

#include <stdio.h>
#include <windows.h>
#include <stdlib.h>
#include <string.h>
/* This tests the ability of the target win32 to duplicate a process handle,
* spawn a child, and have the child dup it's own handle back into the parent
* using the duplicated handle.
*/
int main( int argc, char **argv ) {
HANDLE h_process;
HANDLE h_process_in_parent;
fprintf( stderr, "%lu: Starting\n", GetCurrentProcessId() );
if( argc == 2 ) {
h_process = (HANDLE)atoi(argv[1]);
} else {
if( !DuplicateHandle( GetCurrentProcess(),
GetCurrentProcess(),
GetCurrentProcess(),
&h_process,
0,
TRUE,
DUPLICATE_SAME_ACCESS) ) {
fprintf( stderr, "%lu: Could not duplicate my own process handle.\n",
GetCurrentProcessId() );
return 101;
}
}
if( argc == 1 ) {
STARTUPINFO si;
PROCESS_INFORMATION pi;
char cmdline[1000];
memset( &si, 0, sizeof( si ) );
memset( &pi, 0, sizeof( pi ) );
sprintf( cmdline, "%s %lu", argv[0], (DWORD)h_process );
if( !CreateProcess(NULL, cmdline, NULL, NULL, TRUE, 0, NULL, NULL,
&si, &pi ) ) {
fprintf( stderr, "%lu: Could not create child process.\n",
GetCurrentProcessId() );
return 5;
}
if( WaitForSingleObject( pi.hThread, INFINITE ) != WAIT_OBJECT_0 ) {
fprintf( stderr, "%lu: Failed to wait for child process to terminate.\n",
GetCurrentProcessId() );
return 6;
}
} else {
if( !DuplicateHandle( GetCurrentProcess(),
GetCurrentProcess(),
h_process,
&h_process_in_parent,
0,
TRUE,
DUPLICATE_SAME_ACCESS) ) {
fprintf( stderr, "%lu: Could not duplicate my handle into the parent.\n",
GetCurrentProcessId() );
return 102;
}
}
return 0;
}