mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-02 09:33:31 +03:00
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* 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>
|