From e9edee7206645adcd48b91aae6ef4734f2e98254 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 26 Mar 2024 18:18:33 -0400 Subject: kernel: Add initial open() implementation Signed-off-by: Ian Moffett --- sys/include/sys/filedesc.h | 7 +++++++ sys/include/sys/syscall.h | 1 + 2 files changed, 8 insertions(+) (limited to 'sys/include') diff --git a/sys/include/sys/filedesc.h b/sys/include/sys/filedesc.h index 49d8d52..6eb500e 100644 --- a/sys/include/sys/filedesc.h +++ b/sys/include/sys/filedesc.h @@ -35,6 +35,10 @@ #include #include +#define O_RDONLY 0x00000 +#define O_WRONLY 0x00001 +#define O_RDWR 0x00002 + struct proc; struct filedesc { @@ -50,7 +54,10 @@ int fd_alloc(struct proc *td, struct filedesc **fd_out); 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); + uint64_t sys_write(struct syscall_args *args); +uint64_t sys_open(struct syscall_args *args); #endif #endif diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h index e75b193..0f066e5 100644 --- a/sys/include/sys/syscall.h +++ b/sys/include/sys/syscall.h @@ -39,6 +39,7 @@ enum { SYS_exit = 1, SYS_write, + SYS_open, __MAX_SYSCALLS }; -- cgit v1.2.3