mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2009-2018 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 <signal.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <sys/syscall.h>
|
|
|
|
#include <features.h>
|
|
#ifdef __UCLIBC__
|
|
#if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))
|
|
#define HAS_NOMMU
|
|
#endif
|
|
#endif
|
|
|
|
#define STACK_SIZE 0x1000
|
|
|
|
static int
|
|
tkill (int lwpid, int signo)
|
|
{
|
|
return syscall (__NR_tkill, lwpid, signo);
|
|
}
|
|
|
|
static pid_t
|
|
gettid (void)
|
|
{
|
|
return syscall (__NR_gettid);
|
|
}
|
|
|
|
static int
|
|
fn (void *unused)
|
|
{
|
|
tkill (gettid (), SIGUSR1);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
unsigned char *stack;
|
|
int new_pid;
|
|
|
|
stack = malloc (STACK_SIZE);
|
|
assert (stack != NULL);
|
|
|
|
new_pid = clone (fn, stack + STACK_SIZE, CLONE_FILES
|
|
#if defined(__UCLIBC__) && defined(HAS_NOMMU)
|
|
| CLONE_VM
|
|
#endif /* defined(__UCLIBC__) && defined(HAS_NOMMU) */
|
|
, NULL, NULL, NULL, NULL);
|
|
assert (new_pid > 0);
|
|
|
|
return 0;
|
|
}
|