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TheRock/debug-tools/rocgdb/source/gdb/testsuite/gdb.threads/clone-attach-detach.c
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

67 lines
1.5 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2016-2024 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/>.
*/
#define _GNU_SOURCE
#include <sched.h>
#include <assert.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#define STACK_SIZE 0x1000
int clone_pid;
static int
clone_fn (void *unused)
{
/* Wait for alarm. */
while (1)
sleep (1);
return 0;
}
int
main (int argc, char **argv)
{
unsigned char *stack;
int res;
alarm (300);
stack = malloc (STACK_SIZE);
assert (stack != NULL);
#define CLONE_FLAGS (CLONE_THREAD | CLONE_SIGHAND | CLONE_VM)
#ifdef __ia64__
clone_pid = __clone2 (clone_fn, stack, STACK_SIZE, CLONE_FLAGS, NULL);
#else
clone_pid = clone (clone_fn, stack + STACK_SIZE, CLONE_FLAGS, NULL);
#endif
assert (clone_pid > 0);
/* Wait for alarm. */
while (1)
sleep (1);
return 0;
}