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01/03: syscalls: Wrap TCSA* constants in 'tcsetattr-action' macro.
From: |
Ludovic Courtès |
Subject: |
01/03: syscalls: Wrap TCSA* constants in 'tcsetattr-action' macro. |
Date: |
Tue, 03 May 2016 15:45:42 +0000 |
civodul pushed a commit to branch master
in repository guix.
commit a8f3424b25cbbc585126420bcc1434c4a2398588
Author: Ludovic Courtès <address@hidden>
Date: Mon May 2 08:59:57 2016 +0200
syscalls: Wrap TCSA* constants in 'tcsetattr-action' macro.
* guix/build/syscalls.scm (tcsetattr-action): New macro.
(TCSANOW, TCSADRAIN, TCSAFLUSH): Remove.
(tcsetattr): Adjust docstring accordingly.
* tests/syscalls.scm ("tcsetattr"): Adjust accordingly.
---
guix/build/syscalls.scm | 16 ++++++++--------
tests/syscalls.scm | 2 +-
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index 4e543d7..a9cd6e9 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -110,9 +110,7 @@
termios-input-speed
termios-output-speed
local-flags
- TCSANOW
- TCSADRAIN
- TCSAFLUSH
+ tcsetattr-action
tcgetattr
tcsetattr
@@ -1059,9 +1057,11 @@ given an integer, returns the list of names of the
constants that are or'd."
(define EXTPROC #o0200000))
;; "Actions" values for 'tcsetattr'.
-(define TCSANOW 0)
-(define TCSADRAIN 1)
-(define TCSAFLUSH 2)
+(define-bits tcsetattr-action
+ %unused-tcsetattr-action->symbols
+ (define TCSANOW 0)
+ (define TCSADRAIN 1)
+ (define TCSAFLUSH 2))
(define-record-type <termios>
(termios input-flags output-flags control-flags local-flags
@@ -1107,8 +1107,8 @@ given an integer, returns the list of names of the
constants that are or'd."
(define tcsetattr
(let ((proc (syscall->procedure int "tcsetattr" (list int int '*))))
(lambda (fd actions termios)
- "Use TERMIOS for the tty at FD. ACTIONS is one of 'TCSANOW',
-'TCSADRAIN', or 'TCSAFLUSH'; see tcsetattr(3) for details."
+ "Use TERMIOS for the tty at FD. ACTIONS is one of of the values
+produced by 'tcsetattr-action'; see tcsetattr(3) for details."
(define bv
(make-bytevector sizeof-termios))
diff --git a/tests/syscalls.scm b/tests/syscalls.scm
index ab1e139..0b73fb4 100644
--- a/tests/syscalls.scm
+++ b/tests/syscalls.scm
@@ -281,7 +281,7 @@
(test-assert "tcsetattr"
(let ((first (tcgetattr 0)))
- (tcsetattr 0 TCSANOW first)
+ (tcsetattr 0 (tcsetattr-action TCSANOW) first)
(equal? first (tcgetattr 0))))
(test-assert "terminal-window-size ENOTTY"