meta: replace systemd and ldd with herdd and nsd

services/herdd/main.c

@@ -0,0 +1,43 @@
+#include <errno.h>
+#include <mango/log.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <string.h>
+
+static void *thread_func(void *arg)
+{
+	kern_logf("started thread with arg %p", arg);
+	errno = 100;
+	return (void *)0xdeadbeef;
+}
+
+int main(int argc, const char *argv[], const char *envp[])
+{
+	kern_logf("herdd");
+	kern_logf("args:");
+
+	for (int i = 0; i < argc; i++) {
+		kern_logf("[%d]: %s", i, argv[i]);
+	}
+
+	kern_logf("env:");
+
+	for (int i = 0; envp[i]; i++) {
+		kern_logf("[%d]: %s", i, envp[i]);
+	}
+
+	kern_logf("self = %p", pthread_self());
+	errno = 200;
+
+	pthread_t thread;
+	pthread_create(&thread, NULL, thread_func, (void *)0xdeafcafe);
+	kern_logf("started thread %p", thread);
+	void *ret = NULL;
+	pthread_join(thread, &ret);
+	kern_logf("thread returned %p", ret);
+
+	kern_logf("errno...");
+	kern_logf("%u", errno);
+	kern_logf("...errno");
+	return 0;
+}