1 files changed, 63 insertions, 0 deletions
diff --git a/openbsd-compat/nanosleep.c b/openbsd-compat/nanosleep.c
new file mode 100644
index 00000000..1256c0b5
--- /dev/null
+++ b/openbsd-compat/nanosleep.c
@@ -0,0 +1,63 @@
+
+/*
+ * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#include <err.h>
+#include <string.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+int
+nanosleep(const struct timespec *req, struct timespec *rem)
+{
+	int rc, saverrno;
+	extern int errno;
+	struct timeval tstart, tstop, tremain, time2wait;
+
+	TIMESPEC_TO_TIMEVAL(&time2wait, req);
+	(void) gettimeofday(&tstart, NULL);
+	rc = select(0, NULL, NULL, NULL, &time2wait);
+	if (rc == -1) {
+		saverrno = errno;
+		(void) gettimeofday (&tstop, NULL);
+		errno = saverrno;
+		tremain.tv_sec = time2wait.tv_sec - 
+			(tstop.tv_sec - tstart.tv_sec);
+		tremain.tv_usec = time2wait.tv_usec - 
+			(tstop.tv_usec - tstart.tv_usec);
+		tremain.tv_sec += tremain.tv_usec / 1000000L;
+		tremain.tv_usec %= 1000000L;
+	} else {
+		tremain.tv_sec = 0;
+		tremain.tv_usec = 0;
+	}
+	if (rem != NULL)
+		TIMEVAL_TO_TIMESPEC(&tremain, rem);
+
+	return(rc);
+}