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/* Handle real-time signal allocation. NPTL version.
Copyright (C) 2015-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <signal.h>
#include <nptl/pthreadP.h>
/* Up to three special signals might be used privately by libpthread.
Figure out how many unique ones are actually used. */
#ifdef SIGCANCEL
# define SIGCANCEL_CONSUMES 1
#else
# define SIGCANCEL_CONSUMES 0
#endif
#if defined SIGTIMER && (!defined SIGCANCEL || SIGTIMER != SIGCANCEL)
# define SIGTIMER_CONSUMES 1
#else
# define SIGTIMER_CONSUMES 0
#endif
#if (defined SIGSETXID \
&& (!defined SIGCANCEL || SIGSETXID != SIGCANCEL) \
&& (!defined SIGTIMER || SIGSETXID != SIGTIMER))
# define SIGSETXID_CONSUMES 1
#else
# define SIGSETXID_CONSUMES 0
#endif
/* This tells the generic code (included below) how many signal
numbers need to be reserved for libpthread's private uses. */
#define RESERVED_SIGRT \
(SIGCANCEL_CONSUMES + SIGTIMER_CONSUMES + SIGSETXID_CONSUMES)
#include <signal/allocrtsig.c>
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