ditch semaphores in thread pool in favor of barriers

src/base/base_threads.c

@@ -192,3 +192,13 @@ slow_barrier_wait(Barrier barrier)
   
   ProfEnd();
 }
+
+////////////////////////////////
+///~ Semaphore
+
+internal void
+semaphore_drop(Semaphore semaphore)
+{
+  semaphore_drop_count(semaphore, 1);
+}
+

src/base/base_threads.h

@@ -129,6 +129,7 @@ internal Semaphore semaphore_open(String8 name);
 internal void      semaphore_close(Semaphore semaphore);
 internal B32       semaphore_take(Semaphore semaphore, U64 endt_us);
 internal void      semaphore_drop(Semaphore semaphore);
+internal void      semaphore_drop_count(Semaphore semaphore, U64 drop_count);
 
 //- rjf: barriers
 internal Barrier barrier_alloc(U64 count);