From 7485f7e441ca892876d9401380aa77610eb85f76 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Fri, 16 Apr 2021 23:22:02 +0200
Subject: New elegant I/O blocking solution

This is done using an internal scheduler syscall (127).

Very nice!
---
 libs/libc/inc/sys.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'libs/libc/inc')

diff --git a/libs/libc/inc/sys.h b/libs/libc/inc/sys.h
index ee82946..749888a 100644
--- a/libs/libc/inc/sys.h
+++ b/libs/libc/inc/sys.h
@@ -81,10 +81,12 @@ res read(const char *path, void *buf, u32 offset, u32 count) NONNULL;
 res write(const char *path, const void *buf, u32 offset, u32 count) NONNULL;
 res stat(const char *path, struct stat *buf) NONNULL;
 res exec(const char *path, ...) ATTR((nonnull(1))) SENTINEL;
-res io_poll(u32 *devs);
-res io_read(enum io_type io, void *buf, u32 offset, u32 count);
-res io_write(enum io_type io, void *buf, u32 offset, u32 count);
+
+res io_poll(u32 *devs) NONNULL;
+res io_read(enum io_type io, void *buf, u32 offset, u32 count) NONNULL;
+res io_write(enum io_type io, void *buf, u32 offset, u32 count) NONNULL;
 res io_control(enum io_type io, ...);
+
 res yield(void);
 res boot(u32 cmd);
 
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