From a69b14bf4d5ad35d8e38d482b63007e16b93daa5 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Wed, 18 Mar 2026 10:47:11 +0000
Subject: [PATCH] main: threads sleep if paused

---
 src/main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main.c b/src/main.c
index 0f192eb..96d0e93 100644
--- a/src/main.c
+++ b/src/main.c
@@ -31,6 +31,7 @@ struct ThreadState
   bool paused, done;
 };
 
+static const struct timespec THREAD_SLEEP = {.tv_nsec = 5000};
 int thread_simulation_iterate(void *ptr)
 {
   struct ThreadState *state = ptr;
@@ -38,6 +39,7 @@ int thread_simulation_iterate(void *ptr)
   {
     while (state->paused && !state->done)
     {
+      thrd_sleep(&THREAD_SLEEP, NULL);
     }
     simulation_iterate(state->simulation);
   }
@@ -51,6 +53,7 @@ int thread_simulation_mutate(void *ptr)
   {
     while (state->paused && !state->done)
     {
+      thrd_sleep(&THREAD_SLEEP, NULL);
     }
     simulation_mutate(state->simulation);
   }