From 47bf17a0cc4955768fdbcb63a0c018f628e0b33b Mon Sep 17 00:00:00 2001
From: Ryan Pavlik <ryan.pavlik@collabora.com>
Date: Tue, 30 Mar 2021 11:20:01 -0500
Subject: [PATCH] os: Improve comment and prototype for os_nanosleep

---
 src/xrt/auxiliary/os/os_time.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/xrt/auxiliary/os/os_time.h b/src/xrt/auxiliary/os/os_time.h
index bde4d8927..a2e739b6a 100644
--- a/src/xrt/auxiliary/os/os_time.h
+++ b/src/xrt/auxiliary/os/os_time.h
@@ -60,13 +60,16 @@ extern "C" {
  * interoperation with platform APIs.
  */
 
-
 /*!
  * @brief Sleep the given number of nanoseconds.
+ *
+ * Note that on some platforms, this may be somewhat less accurate than you might want.
+ * On all platforms, the system scheduler has the final say.
+ *
  * @ingroup aux_os_time
  */
 static inline void
-os_nanosleep(long nsec)
+os_nanosleep(int32_t nsec)
 {
 #if defined(XRT_OS_LINUX)
 	struct timespec spec;