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/* This file is part of GDB, the GNU debugger.
Copyright 2025 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/>. */
/* Set a watchdog that aborts the testcase after a timeout. */
#ifndef GDB_WATCHDOG_H
#define GDB_WATCHDOG_H
/* Forward declaration to make sure the definitions have the right
prototype, at least in C. */
static void gdb_watchdog (unsigned int seconds);
static const char _gdb_watchdog_msg[]
= "gdb_watchdog: timeout expired - aborting test\n";
#ifdef _WIN32
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
static VOID CALLBACK
_gdb_watchdog_timer_routine (PVOID lpParam, BOOLEAN TimerOrWaitFired)
{
fputs (_gdb_watchdog_msg, stderr);
abort ();
}
static void
gdb_watchdog (unsigned int seconds)
{
HANDLE timer;
if (!CreateTimerQueueTimer (&timer, NULL,
_gdb_watchdog_timer_routine, NULL,
seconds * 1000, 0, 0))
abort ();
}
#else /* POSIX systems */
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
static void
_gdb_sigalrm_handler (int signo)
{
write (2, _gdb_watchdog_msg, sizeof (_gdb_watchdog_msg) - 1);
abort ();
}
static void
gdb_watchdog (unsigned int seconds)
{
signal (SIGALRM, _gdb_sigalrm_handler);
alarm (seconds);
}
#endif
#endif /* GDB_WATCHDOG_H */
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