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/* Low level interface to ptrace, for GDB when running under Unix.
Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
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/>. */
#ifndef INFLOW_H
#define INFLOW_H
#include <unistd.h>
#include <signal.h>
#include "gdbsupport/job-control.h"
/* RAII class used to ignore SIGTTOU in a scope. */
class scoped_ignore_sigttou
{
public:
scoped_ignore_sigttou ()
{
#ifdef SIGTTOU
if (job_control)
m_osigttou = signal (SIGTTOU, SIG_IGN);
#endif
}
~scoped_ignore_sigttou ()
{
#ifdef SIGTTOU
if (job_control)
signal (SIGTTOU, m_osigttou);
#endif
}
DISABLE_COPY_AND_ASSIGN (scoped_ignore_sigttou);
private:
#ifdef SIGTTOU
sighandler_t m_osigttou = NULL;
#endif
};
#endif /* inflow.h */
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