From: Ben Pfaff <blp@cs.stanford.edu>
Date: Mon, 25 Aug 2008 03:50:49 +0000 (+0000)
Subject: Improve comments.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=500278652b3d3ec6ba08c150e749b65ca4a5d208;p=pintos-anon

Improve comments.

Suggested by Godmar Back.
---

diff --git a/src/devices/intq.c b/src/devices/intq.c
index 028dca4..40b23ae 100644
--- a/src/devices/intq.c
+++ b/src/devices/intq.c
@@ -32,9 +32,8 @@ intq_full (const struct intq *q)
 }
 
 /* Removes a byte from Q and returns it.
-   Q must not be empty if called from an interrupt handler.
-   Otherwise, if Q is empty, first sleeps until a byte is
-   added. */
+   If Q is empty, sleeps until a byte is added.
+   When called from an interrupt handler, Q must not be empty. */
 uint8_t
 intq_getc (struct intq *q) 
 {
@@ -56,9 +55,8 @@ intq_getc (struct intq *q)
 }
 
 /* Adds BYTE to the end of Q.
-   Q must not be full if called from an interrupt handler.
-   Otherwise, if Q is full, first sleeps until a byte is
-   removed. */
+   If Q is full, sleeps until a byte is removed.
+   When called from an interrupt handler, Q must not be full. */
 void
 intq_putc (struct intq *q, uint8_t byte) 
 {