From 68622a02adfa7ebd3a195667d3fbf8e1f10ca93f Mon Sep 17 00:00:00 2001
From: "Markus F.X.J. Oberhumer" <markus@oberhumer.com>
Date: Thu, 15 Apr 2021 07:43:13 +0200
Subject: util: introduce safe versions of read & write that handle interrupted
 systems calls.

---
 util.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'util.h')

diff --git a/util.h b/util.h
index ca90494..ef67566 100644
--- a/util.h
+++ b/util.h
@@ -225,4 +225,14 @@ int bfs_major(dev_t dev);
  */
 int bfs_minor(dev_t dev);
 
+/**
+ * A safe version of read() that handles interrupted system calls.
+ */
+ssize_t safe_read(int fd, void *buf, size_t nbytes);
+
+/**
+ * A safe version of write() that handles interrupted system calls.
+ */
+ssize_t safe_write(int fd, const void *buf, size_t nbytes);
+
 #endif // BFS_UTIL_H
-- 
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