diff options
Diffstat (limited to 'REORG.TODO/sysdeps/nptl/allocrtsig.c')
| -rw-r--r-- | REORG.TODO/sysdeps/nptl/allocrtsig.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/nptl/allocrtsig.c b/REORG.TODO/sysdeps/nptl/allocrtsig.c new file mode 100644 index 0000000000..fed4e7e527 --- /dev/null +++ b/REORG.TODO/sysdeps/nptl/allocrtsig.c @@ -0,0 +1,50 @@ +/* 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> |