1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/generic/pselect.c b/sysdeps/generic/pselect.c
new file mode 100644
index 0000000000..165fd32148
--- /dev/null
+++ b/sysdeps/generic/pselect.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <sys/select.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.  Returns the number of ready
+   descriptors, or -1 for errors.  */
+int
+__pselect (nfds, readfds, writefds, exceptfds, timeout)
+     int nfds;
+     fd_set *readfds;
+     fd_set *writefds;
+     fd_set *exceptfds;
+     struct timespec *timeout;
+{
+  struct timeval tval;
+  int retval;
+
+  /* Change nanosecond number to microseconds.  This may loose
+     precision and therefore the `pselect` should be available.  But
+     for now it is hardly found.  */
+  if (timeout != NULL)
+    TIMESPEC_TO_TIMEVAL (&tval, timeout);
+
+  retval = __select (nfds, readfds, writefds, exceptfds,
+		     timeout != NULL ? &tval : NULL);
+
+  /* Change the result back.  The remaining time must be made
+     available to the caller.  */
+  if (timeout != NULL)
+    TIMEVAL_TO_TIMESPEC (&tval, timeout);
+
+  return retval;
+}
+weak_alias (__pselect, pselect)