usermode capable kernel with logging syscall

1 files changed, 22 insertions, 0 deletions

diff --git a/io/log.h b/io/log.h
new file mode 100644
index 0000000..ad1526d
--- /dev/null
+++ b/io/log.h
@@ -0,0 +1,22 @@
+#ifndef JOVE_IO_LOG_H
+#define JOVE_IO_LOG_H 1
+
+#include <stddef.h>
+
+struct LogDevice
+{
+    void (*out)(const char*, size_t);
+    struct LogDevice *chain;
+};
+
+void klog_newdev(struct LogDevice *dev);
+
+void klogc(char c);
+void klogs(const char *s);
+void klogsn(const char *s, size_t len);
+
+#include <stdarg.h>
+void kvlogf(const char *fmt, va_list ap);
+void klogf(const char *fmt, ...);
+
+#endif