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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /misc/pselect.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'misc/pselect.c')
-rw-r--r--misc/pselect.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/misc/pselect.c b/misc/pselect.c
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--- a/misc/pselect.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* Copyright (C) 1996-1998,2001,2002,2003,2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
- 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 <signal.h>
-#include <stddef.h> /* For NULL. */
-#include <sys/time.h>
-#include <sys/select.h>
-#include <sysdep-cancel.h>
-
-
-/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
- readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
- (if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out
- after waiting the interval specified therein. Additionally set the sigmask
- SIGMASK for this call. Returns the number of ready descriptors, or -1 for
- errors. */
-int
-__pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
- const struct timespec *timeout, const sigset_t *sigmask)
-{
- struct timeval tval;
- int retval;
- sigset_t savemask;
-
- /* Change nanosecond number to microseconds. This might mean losing
- precision and therefore the `pselect` should be available. But
- for now it is hardly found. */
- if (timeout != NULL)
- TIMESPEC_TO_TIMEVAL (&tval, timeout);
-
- /* The setting and restoring of the signal mask and the select call
- should be an atomic operation. This can't be done without kernel
- help. */
- if (sigmask != NULL)
- __sigprocmask (SIG_SETMASK, sigmask, &savemask);
-
- /* Note the pselect() is a cancellation point. But since we call
- select() which itself is a cancellation point we do not have
- to do anything here. */
- retval = __select (nfds, readfds, writefds, exceptfds,
- timeout != NULL ? &tval : NULL);
-
- if (sigmask != NULL)
- __sigprocmask (SIG_SETMASK, &savemask, NULL);
-
- return retval;
-}
-#ifndef __pselect
-weak_alias (__pselect, pselect)
-strong_alias (__pselect, __libc_pselect)
-/* __select handles cancellation. */
-LIBC_CANCEL_HANDLED ();
-#endif