1 files changed, 76 insertions, 0 deletions
diff --git a/kern/thread.h b/kern/thread.h
new file mode 100644
index 00000000..15851ba3
--- /dev/null
+++ b/kern/thread.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2012 Richard Braun.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _KERN_THREAD_H
+#define _KERN_THREAD_H
+
+#include <kern/list.h>
+#include <kern/macros.h>
+#include <kern/task.h>
+#include <machine/tcb.h>
+
+/*
+ * Thread name buffer size.
+ */
+#define THREAD_NAME_SIZE 32
+
+/*
+ * Type for thread entry point.
+ */
+typedef void (*thread_run_fn_t)(void *);
+
+/*
+ * Thread structure.
+ */
+struct thread {
+    struct tcb *tcb;
+    struct list runq_node;
+    struct list task_node;
+    struct task *task;
+    void *stack;
+    char name[THREAD_NAME_SIZE];
+    thread_run_fn_t run_fn;
+    void *arg;
+};
+
+/*
+ * Initialize the thread module.
+ */
+void thread_setup(void);
+
+/*
+ * Create a thread.
+ *
+ * If the given name is null, the task name is used instead.
+ */
+int thread_create(struct thread **threadp, const char *name, struct task *task,
+                  thread_run_fn_t run_fn, void *arg);
+
+/*
+ * Transform into a thread.
+ *
+ * This function is used during system initialization by code in "boot context"
+ * when creating the first thread on their processor.
+ */
+void __noreturn thread_load(struct thread *thread);
+
+/*
+ * Thread entry point.
+ */
+void __noreturn thread_main(struct thread *thread);
+
+#endif /* _KERN_THREAD_H */