...

debugging/fileutil.cpp

@@ -23,7 +23,7 @@ int main(int argc, char **argv)
   char *lines[16536];
   char line[80];
   // Fix num lines, num columns, strdup-1
-  FILE *fin = fopen("bible.txt", "r");
+  FILE *fin = fopen("bible.txt", "r");
   while (!feof(fin)) {
     getline(line, fin);
     lines[cur] = (char*) malloc(strlen(line));

debugging/workitems.c

@@ -3,6 +3,9 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <pthread.h>
+
+pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
 
 typedef struct workitem {
   void (*fn)(double *);
@@ -19,7 +22,9 @@ static void* launchThread(void *in)
   volatile int started = 0;
   while (!(started = data->started));
   while (1) {
+    pthread_mutex_lock(&lock);
     n = data->current++;
+    pthread_mutex_unlock(&lock);
     if (n >= data->len) break;
     data->fn(&data->data[n]);
   }