diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/select.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/select.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/select.c b/nptl/sysdeps/unix/sysv/linux/select.c new file mode 100644 index 0000000000..b1c46595be --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/select.c @@ -0,0 +1,57 @@ +/* Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stdlib.h> +#include <sysdep.h> +#include <sys/select.h> +#include <nptl/pthreadP.h> +#include <tls.h> + +#ifdef __NR__newselect +# undef __NR_select +# define __NR_select __NR__newselect +#endif + + +int +__libc_select (int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, + struct timeval *timeout) +{ +#ifndef NOT_IN_libc + if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, + header.data.multiple_threads) == 0, 1)) + return INLINE_SYSCALL (select, 5, n, readfds, writefds, exceptfds, + timeout); + + int oldtype = LIBC_CANCEL_ASYNC (); +#endif + + int result = INLINE_SYSCALL (select, 5, n, readfds, writefds, exceptfds, + timeout); + +#ifndef NOT_IN_libc + LIBC_CANCEL_RESET (oldtype); +#endif + + return result; +} +strong_alias (__libc_select, __select) +libc_hidden_weak(__select) +weak_alias (__libc_select, select) |