diff options
Diffstat (limited to 'misc/pselect.c')
-rw-r--r-- | misc/pselect.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/misc/pselect.c b/misc/pselect.c deleted file mode 100644 index 80cf8be4b3..0000000000 --- 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 |