From a89984d7200381d7b8035c48124d93105d59cf24 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 5 Jul 2022 22:51:21 +0200
Subject: kernel: initial partial pipe support

---
 src/kernel/handle.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/kernel/handle.h')

diff --git a/src/kernel/handle.h b/src/kernel/handle.h
index 088ff93..d644521 100644
--- a/src/kernel/handle.h
+++ b/src/kernel/handle.h
@@ -9,14 +9,18 @@ enum handle_type; // forward declaration for proc.h
 enum handle_type {
 	HANDLE_INVALID = 0,
 	HANDLE_FILE,
-
+	HANDLE_PIPE,
 	HANDLE_FS_FRONT,
 };
 
 struct handle {
 	enum handle_type type;
-	struct vfs_backend *backend;
+	struct vfs_backend *backend; // HANDLE_FILE | HANDLE_FS_FRONT
 	int file_id; // only applicable to HANDLE_FILE
+	struct {
+		struct process *stuck;
+		bool wants_write; // refers to the waiting process
+	} pipe;
 
 	size_t refcount;
 };
-- 
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