1 files changed, 77 insertions, 0 deletions
diff --git a/bdb/os/os_sleep.c b/bdb/os/os_sleep.c
new file mode 100644
index 00000000000..137cd73b708
--- /dev/null
+++ b/bdb/os/os_sleep.c
@@ -0,0 +1,77 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997, 1998, 1999, 2000
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char revid[] = "$Id: os_sleep.c,v 11.7 2000/04/07 14:26:36 bostic Exp $";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#ifdef HAVE_VXWORKS
+#include <sys/times.h>
+#include <time.h>
+#else
+#if TIME_WITH_SYS_TIME
+#include <sys/time.h>
+#include <time.h>
+#else
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif /* HAVE_SYS_TIME_H */
+#endif /* TIME_WITH SYS_TIME */
+#endif /* HAVE_VXWORKS */
+
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "os_jump.h"
+
+/*
+ * __os_sleep --
+ *	Yield the processor for a period of time.
+ *
+ * PUBLIC: int __os_sleep __P((DB_ENV *, u_long, u_long));
+ */
+int
+__os_sleep(dbenv, secs, usecs)
+	DB_ENV *dbenv;
+	u_long secs, usecs;		/* Seconds and microseconds. */
+{
+	struct timeval t;
+	int ret;
+
+	/* Don't require that the values be normalized. */
+	for (; usecs >= 1000000; usecs -= 1000000)
+		++secs;
+
+	if (__db_jump.j_sleep != NULL)
+		return (__db_jump.j_sleep(secs, usecs));
+
+	/*
+	 * 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;
+	ret =  select(0, NULL, NULL, NULL, &t) == -1 ? __os_get_errno() : 0;
+
+	if (ret != 0)
+		__db_err(dbenv, "select: %s", strerror(ret));
+
+	return (ret);
+}