meta: replace systemd and ldd with herdd and nsd

services/herdd/CMakeLists.txt

@@ -0,0 +1,10 @@
+file(GLOB sources *.c)
+add_executable(herdd ${sources})
+target_link_libraries(herdd libc libc-runtime libmango libpthread)
+
+sysroot_add_program(
+	NAME herdd
+	BIN_DIR /usr/bin)
+bsp_add_program(
+	NAME herdd
+	BIN_DIR /usr/bin)

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;
+}

services/herdd/runlevel.h

@@ -0,0 +1,14 @@
+#ifndef RUNLEVEL_H_
+#define RUNLEVEL_H_
+
+#include <stddef.h>
+
+#define RUNLEVEL_DESCRIPTION_MAX 64
+
+struct runlevel {
+	char rl_description[RUNLEVEL_DESCRIPTION_MAX];
+	char **rl_requires;
+	size_t rl_requires_count;
+};
+
+#endif

services/herdd/service.h

@@ -0,0 +1,17 @@
+#ifndef SERVICE_H_
+#define SERVICE_H_
+
+#define SVC_DESCRIPTION_MAX 64
+
+enum service_role {
+	SVC_ROLE_NONE = 0x00u,
+	SVC_ROLE_NAMESPACE_PROVIDER = 0x01u,
+};
+
+struct service {
+	char s_description[SVC_DESCRIPTION_MAX];
+	enum service_role s_roles;
+	char *s_exec;
+};
+
+#endif

services/ldd/CMakeLists.txt

@@ -1,10 +0,0 @@
-file(GLOB sources *.c)
-add_executable(ldd ${sources})
-target_link_libraries(ldd libc-core libc-runtime libmango)
-
-sysroot_add_program(
-	NAME ldd
-	BIN_DIR /usr/bin)
-bsp_add_program(
-	NAME ldd
-	BIN_DIR /usr/bin)

services/nsd/CMakeLists.txt

@@ -0,0 +1,15 @@
+file(GLOB sources *.c)
+rosetta_add_service(
+	NAME nsd
+	SOURCES ${sources}
+	CFG_FILE ${CMAKE_CURRENT_SOURCE_DIR}/nsd.service)
+target_link_libraries(nsd libc libc-runtime)
+
+sysroot_add_service(
+	NAME nsd
+	BIN_DIR /usr/bin
+	SVC_DIR /etc/herdd/services)
+bsp_add_service(
+	NAME nsd
+	BIN_DIR /usr/bin
+	SVC_DIR /etc/herdd/services)

services/nsd/nsd.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Namespace Service
+
+[Service]
+Exec=/usr/bin/nsd
+Role=NamespaceProvider