| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2015-2016 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| Test that GDB doesn't lose an event for a thread it didn't know |
| about, until an event is reported for it. */ |
| |
| #define _GNU_SOURCE |
| #include <sched.h> |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| #include <pthread.h> |
| |
| #define STACK_SIZE 0x1000 |
| |
| int clone_pid; |
| |
| static int |
| clone_fn (void *unused) |
| { |
| return 0; |
| } |
| |
| void * |
| thread_fn (void *arg) |
| { |
| unsigned char *stack; |
| int res; |
| |
| stack = malloc (STACK_SIZE); |
| assert (stack != NULL); |
| |
| #ifdef __ia64__ |
| clone_pid = __clone2 (clone_fn, stack, STACK_SIZE, CLONE_VM, NULL); |
| #else |
| clone_pid = clone (clone_fn, stack + STACK_SIZE, CLONE_VM, NULL); |
| #endif |
| |
| assert (clone_pid > 0); |
| |
| /* Wait for child. */ |
| res = waitpid (clone_pid, NULL, __WCLONE); |
| assert (res != -1); |
| |
| return NULL; |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| pthread_t child; |
| |
| alarm (300); |
| |
| pthread_create (&child, NULL, thread_fn, NULL); |
| pthread_join (child, NULL); |
| |
| return 0; |
| } |