| /* Handle real-time signal allocation. NPTL version. |
| Copyright (C) 2015-2016 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> |