+#include <string.h>
+#include <stdlib.h>
+
#include "threads.h"
#include "schedule.h"
#include "common.h"
int threadid=id_to_int(t->get_id());
if (threadid>=enabled_len) {
bool * new_enabled=(bool *)malloc(sizeof(bool)*(threadid+1));
- memcpy(new_enabled, is_enabled, enabled_len*sizeof(bool));
memset(&new_enabled[enabled_len], 0, (threadid+1-enabled_len)*sizeof(bool));
- free(is_enabled);
+ if (is_enabled != NULL) {
+ memcpy(new_enabled, is_enabled, enabled_len*sizeof(bool));
+ free(is_enabled);
+ }
is_enabled=new_enabled;
enabled_len=threadid+1;
}
}
/**
- * Remove one Thread from the scheduler. This implementation defaults to FIFO,
- * if a thread is not already provided.
+ * Select a Thread. This implementation defaults to round-robin, if a
+ * thread is not already provided.
*
* @param t Thread to run, if chosen by an external entity (e.g.,
* ModelChecker). May be NULL to indicate no external choice.