about summary refs log tree commit diff
path: root/sysdeps/generic/pselect.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/pselect.c')
-rw-r--r--sysdeps/generic/pselect.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/sysdeps/generic/pselect.c b/sysdeps/generic/pselect.c
deleted file mode 100644
index 43b371cce7..0000000000
--- a/sysdeps/generic/pselect.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* Copyright (C) 1996,1997,1998,2001,2002,2003 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.  */
-static int
-do_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;
-}
-
-
-int
-__pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask)
-     int nfds;
-     fd_set *readfds;
-     fd_set *writefds;
-     fd_set *exceptfds;
-     const struct timespec *timeout;
-     const sigset_t *sigmask;
-{
-  if (SINGLE_THREAD_P)
-    return do_pselect (nfds, readfds, writefds, exceptfds, timeout, sigmask);
-
-  int oldtype = LIBC_CANCEL_ASYNC ();
-
-  int result = do_pselect (nfds, readfds, writefds, exceptfds, timeout,
-			   sigmask);
-
-  LIBC_CANCEL_RESET (oldtype);
-
-  return result;
-}
-weak_alias (__pselect, pselect)
-strong_alias (__pselect, __libc_pselect)