From 54224fb3d937811de957d51596602c0f2afc5fbe Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 26 Mar 2024 18:26:16 -0400 Subject: kernel: Add initial read() implementation Signed-off-by: Ian Moffett --- sys/include/sys/filedesc.h | 2 ++ sys/include/sys/syscall.h | 1 + 2 files changed, 3 insertions(+) (limited to 'sys/include') 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 }; -- cgit v1.2.3