New thread library

src/libthread/test/pthreadloop.c

@@ -0,0 +1,38 @@
+#include <pthread.h>
+#include <utf.h>
+#include <fmt.h>
+
+pthread_key_t key;
+
+void
+pexit(void *v)
+{
+	int s;
+
+	pthread_setspecific(key, (void*)1);
+	switch(fork()){
+	case -1:
+		fprint(2, "fork: %r\n");
+	case 0:
+		_exit(0);
+	default:
+		wait(&s);
+	}
+	pthread_exit(0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int i;
+	pthread_t pid;
+
+	pthread_key_create(&key, 0);
+	for(i=0;; i++){
+		print("%d\n", i);
+		if(pthread_create(&pid, 0, pexit, 0) < 0){
+			fprint(2, "pthread_create: %r\n");
+			abort();
+		}
+	}
+}