some thread API examples

threads-api/thread_create_simple_args.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <pthread.h>
+#include "common_threads.h"
+
+void *mythread(void *arg) {
+    long long int value = (long long int) arg;
+    printf("%lld\n", value);
+    return (void *) (value + 1);
+}
+
+int main(int argc, char *argv[]) {
+    pthread_t p;
+    long long int rvalue;
+    Pthread_create(&p, NULL, mythread, (void *) 100);
+    Pthread_join(p, (void **) &rvalue);
+    printf("returned %lld\n", rvalue);
+    return 0;
+}
+