1 files changed, 40 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/bsd/ualarm.c b/REORG.TODO/sysdeps/unix/bsd/ualarm.c
new file mode 100644
index 0000000000..133ed86597
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/bsd/ualarm.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* Set an alarm to go off (generating a SIGALRM signal) in VALUE microseconds.
+   If INTERVAL is nonzero, when the alarm goes off, the timer is reset to go
+   off every INTERVAL microseconds thereafter.
+
+   Returns the number of microseconds remaining before the alarm.  */
+useconds_t
+ualarm (useconds_t value, useconds_t interval)
+{
+  struct itimerval timer, otimer;
+
+  timer.it_value.tv_sec = 0;
+  timer.it_value.tv_usec = value;
+  timer.it_interval.tv_sec = 0;
+  timer.it_interval.tv_usec = interval;
+
+  if (__setitimer (ITIMER_REAL, &timer, &otimer) < 0)
+    return -1;
+
+  return (otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec;
+}