made MIN_SLEEP_DURATION a platform property based on clk res

lf-lang · Mar 28, 2024 · 22d49a1 · 22d49a1
1 parent 75fcdba
commit 22d49a1
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Showing 4 changed files with 8 additions and 1 deletion.
diff --git 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
@@ -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
@@ -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
@@ -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);
 }
 
 /**