From cbeac6412840ea0e978f14da08c5a5e02796c7e2 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Tue, 31 Mar 2015 14:55:32 +0200
Subject: Pthreads testing.

---
 pthreads.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 pthreads.c

diff --git a/pthreads.c b/pthreads.c
new file mode 100644
index 0000000..87945fd
--- /dev/null
+++ b/pthreads.c
@@ -0,0 +1,45 @@
+#define _GNU_SOURCE
+#include <assert.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#define NUM_THREADS 100
+
+typedef void *(* thread_func)(void *);
+
+void *somefunction(int *arg)
+{
+	int loops = rand();
+
+	for (int i = 0; i < loops; i++) {
+		pthread_yield();
+		for (;i < loops; i++);
+	}
+
+	printf("%d:\t%d\n", *arg, loops);
+
+	return NULL;
+}
+
+int main(void)
+{
+	srand(time(NULL));
+
+	pthread_t threads[NUM_THREADS];
+	int args[NUM_THREADS];
+
+	for (int i = 0; i < NUM_THREADS; i++) {
+		args[i] = i;
+		if (pthread_create(&threads[i], NULL, (thread_func)somefunction, args + i))
+			return EXIT_FAILURE;
+	}
+
+	for (int i = 0; i < NUM_THREADS; i++)
+		if (pthread_join(threads[i], NULL))
+			return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
+}
-- 
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