From 9d263d72848fb561e104a21da3ffccf791078f2a Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 14 Dec 2002 19:49:13 +0000 Subject: Update. 2002-12-14 Jakub Jelinek * dirent/bug-readdir1.c: Include unistd.h. --- nptl/sysdeps/unix/sysv/linux/poll.c | 59 +++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 nptl/sysdeps/unix/sysv/linux/poll.c (limited to 'nptl/sysdeps/unix/sysv/linux/poll.c') diff --git a/nptl/sysdeps/unix/sysv/linux/poll.c b/nptl/sysdeps/unix/sysv/linux/poll.c new file mode 100644 index 0000000000..e44db71d61 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/poll.c @@ -0,0 +1,59 @@ +/* Poll system call, with emulation if it is not available. + Copyright (C) 1997,1998,1999,2000,2001,2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +#include +#include +#include +#include +#include + + +extern int __syscall_poll (struct pollfd *__unbounded fds, + unsigned int nfds, int timeout); + + +/* The real implementation. */ +int +__poll (fds, nfds, timeout) + struct pollfd *fds; + nfds_t nfds; + int timeout; +{ +#ifndef NOT_IN_libc + if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, + header.data.multiple_threads) == 0, 1)) + return INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout); + + int oldtype = LIBC_CANCEL_ASYNC (); +#endif + + int result = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout); + +#ifndef NOT_IN_libc + LIBC_CANCEL_RESET (oldtype); +#endif + + return result; +} +libc_hidden_def (__poll) +weak_alias (__poll, poll) +strong_alias (__poll, __libc_poll) -- cgit 1.4.1