From 08192659bbeae149e7cb1f4c43547257f7099bb0 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 7 Jul 2014 09:28:38 -0700 Subject: Get rid of nptl/sysdeps/ entirely! --- sysdeps/unix/sysv/linux/allocrtsig.c | 55 ++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/allocrtsig.c (limited to 'sysdeps/unix/sysv/linux/allocrtsig.c') diff --git a/sysdeps/unix/sysv/linux/allocrtsig.c b/sysdeps/unix/sysv/linux/allocrtsig.c new file mode 100644 index 0000000000..0ed7d089c6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/allocrtsig.c @@ -0,0 +1,55 @@ +/* Copyright (C) 2002-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2002. + + 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 + . */ + +#include + + +static int current_rtmin = __SIGRTMIN + 2; +static int current_rtmax = __SIGRTMAX; + + +/* We reserve __SIGRTMIN for use as the cancelation signal. This + signal is used internally. */ +int +__libc_current_sigrtmin (void) +{ + return current_rtmin; +} +libc_hidden_def (__libc_current_sigrtmin) +strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private) + + +int +__libc_current_sigrtmax (void) +{ + return current_rtmax; +} +libc_hidden_def (__libc_current_sigrtmax) +strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private) + + +int +__libc_allocate_rtsig (int high) +{ + if (current_rtmin == -1 || current_rtmin > current_rtmax) + /* We don't have anymore signal available. */ + return -1; + + return high ? current_rtmin++ : current_rtmax--; +} +strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private) -- cgit v1.2.3-70-g09d2