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authorLudovic Courtès <ludo@gnu.org>2016-05-01 23:59:05 +0200
committerLudovic Courtès <ludo@gnu.org>2016-05-02 00:05:36 +0200
commitae4ff9f359514937878cf82f4ac46dd14aac9056 (patch)
treedab4f54a6be817401a754e182e3475be773774a7 /tests/syscalls.scm
parent00cd41974e9579eccedb948d5eebed442efb600e (diff)
downloadguix-ae4ff9f359514937878cf82f4ac46dd14aac9056.tar
guix-ae4ff9f359514937878cf82f4ac46dd14aac9056.tar.gz
syscalls: Add 'tcgetattr' and 'tcsetattr' bindings.
* guix/build/syscalls.scm (bits->symbols-body, define-bits) (local-flags): New macros. (TCSANOW, TCSADRAIN, TCSAFLUSH): New variables. (<termios>): New record type. (%termios): New C structure. (tcgetattr, tcsetattr): New procedures. * tests/syscalls.scm ("tcgetattr ENOTTY", "tcgetattr") ("tcsetattr"): New tests.
Diffstat (limited to 'tests/syscalls.scm')
-rw-r--r--tests/syscalls.scm25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/syscalls.scm b/tests/syscalls.scm
index 71bcbc4d32..ab1e13984d 100644
--- a/tests/syscalls.scm
+++ b/tests/syscalls.scm
@@ -259,6 +259,31 @@
(#f #f)
(lo (interface-address lo)))))))
+(test-equal "tcgetattr ENOTTY"
+ ENOTTY
+ (catch 'system-error
+ (lambda ()
+ (call-with-input-file "/dev/null"
+ (lambda (port)
+ (tcgetattr (fileno port)))))
+ (compose system-error-errno list)))
+
+(test-skip (if (and (file-exists? "/proc/self/fd/0")
+ (string-prefix? "/dev/pts/" (readlink "/proc/self/fd/0")))
+ 0
+ 2))
+
+(test-assert "tcgetattr"
+ (let ((termios (tcgetattr 0)))
+ (and (termios? termios)
+ (> (termios-input-speed termios) 0)
+ (> (termios-output-speed termios) 0))))
+
+(test-assert "tcsetattr"
+ (let ((first (tcgetattr 0)))
+ (tcsetattr 0 TCSANOW first)
+ (equal? first (tcgetattr 0))))
+
(test-assert "terminal-window-size ENOTTY"
(call-with-input-file "/dev/null"
(lambda (port)