From 22d49a13f4c95b864fa5740f1cb6826e74ab512c Mon Sep 17 00:00:00 2001
From: Efsane Soyer <efsanesoyer@berkeley.edu>
Date: Wed, 27 Mar 2024 17:15:26 -0700
Subject: [PATCH] made MIN_SLEEP_DURATION a platform property based on clk res

---
 core/threaded/reactor_threaded.c                        | 2 ++
 include/core/reactor_common.h                           | 2 +-
 low_level_platform/api/platform/lf_unix_clock_support.h | 2 ++
 low_level_platform/impl/src/lf_unix_clock_support.c     | 3 +++
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/core/threaded/reactor_threaded.c b/core/threaded/reactor_threaded.c
index e364675d6..62eaef6c2 100644
--- a/core/threaded/reactor_threaded.c
+++ b/core/threaded/reactor_threaded.c
@@ -28,6 +28,8 @@
 #include "reactor_common.h"
 #include "watchdog.h"
 
+#include "platform/lf_unix_clock_support.h"
+
 #ifdef FEDERATED
 #include "federate.h"
 #endif
diff --git a/include/core/reactor_common.h b/include/core/reactor_common.h
index fc1451a96..3e0ec1a38 100644
--- a/include/core/reactor_common.h
+++ b/include/core/reactor_common.h
@@ -42,7 +42,7 @@
  * to prevent unnecessary delays caused by simply setting up and
  * performing the wait.
  */
-#define MIN_SLEEP_DURATION USEC(10)
+// #define MIN_SLEEP_DURATION USEC(10)
 
 //////////////////////  Global Variables  //////////////////////
 
diff --git a/low_level_platform/api/platform/lf_unix_clock_support.h b/low_level_platform/api/platform/lf_unix_clock_support.h
index 0a2c80163..ca6c4e033 100644
--- a/low_level_platform/api/platform/lf_unix_clock_support.h
+++ b/low_level_platform/api/platform/lf_unix_clock_support.h
@@ -1,6 +1,8 @@
 #include <time.h>
 #include <errno.h>
 
+extern instant_t MIN_SLEEP_DURATION;
+
 /**
  * @brief Convert a _lf_time_spec_t ('tp') to an instant_t representation in
  * nanoseconds.
diff --git a/low_level_platform/impl/src/lf_unix_clock_support.c b/low_level_platform/impl/src/lf_unix_clock_support.c
index b9c9fae56..30881408e 100644
--- a/low_level_platform/impl/src/lf_unix_clock_support.c
+++ b/low_level_platform/impl/src/lf_unix_clock_support.c
@@ -6,6 +6,8 @@
 #include "logging.h"
 #include "platform/lf_unix_clock_support.h"
 
+instant_t MIN_SLEEP_DURATION;
+
 instant_t convert_timespec_to_ns(struct timespec tp) { return ((instant_t)tp.tv_sec) * BILLION + tp.tv_nsec; }
 
 struct timespec convert_ns_to_timespec(instant_t t) {
@@ -23,6 +25,7 @@ void _lf_initialize_clock() {
   }
 
   lf_print("---- System clock resolution: %ld nsec", res.tv_nsec);
+  MIN_SLEEP_DURATION = NSEC(res.tv_nsec);
 }
 
 /**