From f9df27a905a3a067ccec2bc23d4c1f1e6db9000c Mon Sep 17 00:00:00 2001 From: "\"Steven J. Hill\"" Date: Wed, 16 Nov 2005 02:49:53 +0000 Subject: Sync up with glibc NPTL and clean up unused source files. --- libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h') diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h b/libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h new file mode 100644 index 000000000..7b0bac75f --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/aio_misc.h @@ -0,0 +1,67 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 2004. + + 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _AIO_MISC_H +# include_next +# include +# include +# include + +# define aio_start_notify_thread __aio_start_notify_thread +# define aio_create_helper_thread __aio_create_helper_thread + +extern inline void +__aio_start_notify_thread (void) +{ + sigset_t ss; + sigemptyset (&ss); + INTERNAL_SYSCALL_DECL (err); + INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8); +} + +extern inline int +__aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *), void *arg) +{ + pthread_attr_t attr; + + /* Make sure the thread is created detached. */ + pthread_attr_init (&attr); + pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); + + /* The helper thread needs only very little resources. */ + (void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); + + /* Block all signals in the helper thread. To do this thoroughly we + temporarily have to block all signals here. */ + sigset_t ss; + sigset_t oss; + sigfillset (&ss); + INTERNAL_SYSCALL_DECL (err); + INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8); + + int ret = pthread_create (threadp, &attr, tf, arg); + + /* Restore the signal mask. */ + INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &oss, NULL, + _NSIG / 8); + + (void) pthread_attr_destroy (&attr); + return ret; +} +#endif -- cgit v1.2.3