kernel: Add initial read() implementation

Signed-off-by: Ian Moffett <ian@osmora.org>

2 files changed, 3 insertions, 0 deletions

diff --git a/sys/include/sys/filedesc.h b/sys/include/sys/filedesc.h
index e0835a5..70b297d 100644
--- a/sys/include/sys/filedesc.h
+++ b/sys/include/sys/filedesc.h
@@ -55,10 +55,12 @@ struct filedesc *fd_from_fdnum(const struct proc *td, int fdno);
 void fd_close_fdnum(struct proc *td, int fdno);
 ssize_t write(int fd, const void *buf, size_t count);
 int open(const char *pathname, int oflag);
+int read(int fd, void *buf, size_t count);
 
 uint64_t sys_write(struct syscall_args *args);
 uint64_t sys_open(struct syscall_args *args);
 uint64_t sys_close(struct syscall_args *args);
+uint64_t sys_read(struct syscall_args *args);
 #endif
 
 #endif
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 5020d3a..ae2438f 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -41,6 +41,7 @@ enum {
     SYS_write,
     SYS_open,
     SYS_close,
+    SYS_read,
     __MAX_SYSCALLS
 };