2 files changed, 14 insertions, 0 deletions
diff --git a/api/kjarna/syscall.h b/api/kjarna/syscall.h
new file mode 100644
index 0000000..8af162a
--- /dev/null
+++ b/api/kjarna/syscall.h
@@ -0,0 +1,12 @@
+#define SYS_NOOP 0
+#define SYS_OPEN 1
+#define SYS_CLOSE 2
+#define SYS_LSEEK 3
+#define SYS_READ 4
+#define SYS_WRITE 5
+#define SYS_MMAP 6
+#define SYS_MUNMAP 7
+#define SYS_EXIT 8
+
+#define NR_SYSCALLS (SYS_EXIT + 1)
+
diff --git a/api/posix/unistd.h b/api/posix/unistd.h
index 4964689..6139660 100644
--- a/api/posix/unistd.h
+++ b/api/posix/unistd.h
@@ -2,6 +2,7 @@
 
 #include <stddef.h>
 #include "sys/types.h"
+#include <stdnoreturn.h>
 
 #define STDIN_FILENO 0
 #define STDOUT_FILENO 1
@@ -18,4 +19,5 @@ ssize_t read(int fd, void *buf, size_t length);
 ssize_t write(int fd, const void *buf, size_t length);
 off_t lseek(int fd, off_t position, int whence);
 int close(int fd);
+noreturn void _exit(int status);