Remove include added by editor; Make sure to call pthread_cond_broadcast after pushing to mq in order to unblock threads;

haggis.c

@@ -39,7 +39,6 @@
 #include <limits.h>          // PATH_MAX
 #include <stddef.h>          // size_t
 #include <stdint.h>          // uint<x>_t
-#include <sys/syslimits.h>
 
 #if defined(__FreeBSD__) || defined(__DragonFly__)
 #include <sha.h>

mq.c

@@ -81,6 +81,7 @@ int haggis_mq_push(haggis_mq *queue, haggis_msg *msg) {
         queue->tail = msg;
     }
     queue->count++;
+    pthread_cond_broadcast(&queue->cond);
     pthread_mutex_unlock(&queue->mutex);
     return 0;
 }