1 files changed, 54 insertions, 0 deletions
diff --git a/db2/os/os_sleep.c b/db2/os/os_sleep.c
new file mode 100644
index 0000000000..2d2cb71f6d
--- /dev/null
+++ b/db2/os/os_sleep.c
@@ -0,0 +1,54 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_sleep.c	10.8 (Sleepycat) 10/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#include <errno.h>
+#ifndef HAVE_SYS_TIME_H
+#include <time.h>
+#endif
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __os_sleep --
+ *	Yield the processor for a period of time.
+ *
+ * PUBLIC: int __os_sleep __P((u_long, u_long));
+ */
+int
+__os_sleep(secs, usecs)
+	u_long secs, usecs;		/* Seconds and microseconds. */
+{
+	struct timeval t;
+
+	/* Don't require that the values be normalized. */
+	for (; usecs >= 1000000; ++secs, usecs -= 1000000);
+
+	/*
+	 * It's important that we yield the processor here so that other
+	 * processes or threads are permitted to run.
+	 */
+	t.tv_sec = secs;
+	t.tv_usec = usecs;
+	return (select(0, NULL, NULL, NULL, &t) == -1 ? errno : 0);
+}