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author | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2014-06-12 13:48:47 -0700 |
commit | 463dc947b4f9bc4137c9919ee72b896403926474 (patch) | |
tree | aaade6746cade247ea83c99c3057f6f08e1eb6a9 /sysdeps/unix | |
parent | e876b09076d859836f948691dee5a1e3b956256e (diff) | |
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Get rid of nptl/sysdeps/pthread/ subdirectory
Diffstat (limited to 'sysdeps/unix')
-rw-r--r-- | sysdeps/unix/sysv/linux/Implies | 3 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/pthread_sigmask.c | 57 |
2 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/Implies b/sysdeps/unix/sysv/linux/Implies index b04bb6b33d..a579e634ae 100644 --- a/sysdeps/unix/sysv/linux/Implies +++ b/sysdeps/unix/sysv/linux/Implies @@ -1,3 +1,6 @@ +# All Linux builds use NPTL. +nptl + # The gnu subdirectory exists for things common to both Linux-based and # Hurd-based GNU systems. gnu diff --git a/sysdeps/unix/sysv/linux/pthread_sigmask.c b/sysdeps/unix/sysv/linux/pthread_sigmask.c new file mode 100644 index 0000000000..21f0665460 --- /dev/null +++ b/sysdeps/unix/sysv/linux/pthread_sigmask.c @@ -0,0 +1,57 @@ +/* Copyright (C) 2002-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 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 + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <signal.h> +#include <pthreadP.h> +#include <sysdep.h> + + +int +pthread_sigmask (how, newmask, oldmask) + int how; + const sigset_t *newmask; + sigset_t *oldmask; +{ + sigset_t local_newmask; + + /* The only thing we have to make sure here is that SIGCANCEL and + SIGSETXID is not blocked. */ + if (newmask != NULL + && (__builtin_expect (__sigismember (newmask, SIGCANCEL), 0) + || __builtin_expect (__sigismember (newmask, SIGSETXID), 0))) + { + local_newmask = *newmask; + __sigdelset (&local_newmask, SIGCANCEL); + __sigdelset (&local_newmask, SIGSETXID); + newmask = &local_newmask; + } + +#ifdef INTERNAL_SYSCALL + /* We know that realtime signals are available if NPTL is used. */ + INTERNAL_SYSCALL_DECL (err); + int result = INTERNAL_SYSCALL (rt_sigprocmask, err, 4, how, newmask, + oldmask, _NSIG / 8); + + return (INTERNAL_SYSCALL_ERROR_P (result, err) + ? INTERNAL_SYSCALL_ERRNO (result, err) + : 0); +#else + return sigprocmask (how, newmask, oldmask) == -1 ? errno : 0; +#endif +} |