Starting threadpool

1 files changed, 27 insertions, 0 deletions

diff --git a/04_exercise/main.c b/04_exercise/main.c
new file mode 100644
index 0000000..cdcaa42
--- /dev/null
+++ b/04_exercise/main.c
@@ -0,0 +1,27 @@
+#include "threadpool.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static TASK(long, fib, long);
+
+long fib(long n) {
+	if (n <= 1)
+		return n;
+	
+	fib_fut *a = fibAsync((fib_fut[]) { fibFuture(n - 1) });
+	fib_fut *b = fibAsync((fib_fut[]) { fibFuture(n - 2) });
+	
+	return fibAwait(a) + fibAwait(b);
+}
+
+int main() {
+	if (tpInit(8) != 0)
+		perror("Thread Pool initialization failed"), exit(-1);
+	atexit(&tpRelease);
+	
+	for (long i = 0; i <= 20; ++i)
+		printf("fib(%2li) = %li\n", i, fib(i));
+	
+	return 0;
+}