From: Martin Hunt <hunt@redhat.com>
Date: Tue, 4 Dec 2001 21:44:37 +0000 (+0000)
Subject: Add note to serial_open.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=63b5bc2fef8801f01fd14786f7893d86fa5e92ee;p=binutils-gdb.git

Add note to serial_open.
---

diff --git a/gdb/serial.h b/gdb/serial.h
index a0dbe723acb..97d68f32a04 100644
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -32,7 +32,10 @@ typedef void *serial_ttystate;
 struct serial;
 
 /* Try to open NAME.  Returns a new `struct serial *' on success, NULL
-   on failure. */
+   on failure. Note that some open calls can block and, if possible, 
+   should be  written to be non-blocking, with calls to ui_look_hook 
+   so they can be cancelled. An async interface for open could be
+   added to GDB if necessary. */
 
 extern struct serial *serial_open (const char *name);