1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2011-2023 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <stdio.h> 19 #include <stdlib.h> 20 #include <unistd.h> 21 #include <sys/types.h> 22 #include <sys/ptrace.h> 23 #include <errno.h> 24 25 #ifndef PTRACE_ATTACH 26 #define PTRACE_ATTACH PT_ATTACH 27 #endif 28 29 int 30 main (void) 31 { 32 long l; 33 34 switch (fork ()) 35 { 36 case -1: 37 perror ("fork"); 38 exit (1); 39 case 0: 40 errno = 0; 41 /* The 4th argument to ptrace () is 0 on purpose, as it is compatible 42 between kernels that accept void* (like Linux) and int (NetBSD). */ 43 ptrace (PTRACE_ATTACH, getppid (), NULL, 0); 44 if (errno != 0) 45 perror ("PTRACE_ATTACH"); 46 break; 47 } 48 sleep (600); 49 return 0; 50 } 51