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- /* Handle real-time signal allocation. NPTL version.
- Copyright (C) 2015-2019 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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