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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/* Low level interface to ptrace, for GDB when running under Unix.
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Copyright (C) 2003-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef INFLOW_H
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#define INFLOW_H
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#include <unistd.h>
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#include <signal.h>
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#include "gdbsupport/job-control.h"
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/* RAII class used to ignore SIGTTOU in a scope. */
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class scoped_ignore_sigttou
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{
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public:
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scoped_ignore_sigttou ()
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{
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#ifdef SIGTTOU
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if (job_control)
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m_osigttou = signal (SIGTTOU, SIG_IGN);
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#endif
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}
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~scoped_ignore_sigttou ()
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{
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#ifdef SIGTTOU
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if (job_control)
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signal (SIGTTOU, m_osigttou);
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#endif
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}
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DISABLE_COPY_AND_ASSIGN (scoped_ignore_sigttou);
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private:
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#ifdef SIGTTOU
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sighandler_t m_osigttou = NULL;
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#endif
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};
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#endif /* inflow.h */
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