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syscalls: Add bindings for SIOCGIFNETMASK and SIOCSIFNETMASK.

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* guix/build/syscalls.scm (SIOCGIFNETMASK, SIOCSIFNETMASK): New
variables.
(set-network-interface-netmask, network-interface-netmask): New
procedures.
* tests/syscalls.scm ("network-interface-netmask lo")
("set-network-interface-netmask"): New tests.
This commit is contained in:
Ludovic Courtès
2016-11-16 23:36:29 +01:00
parent 9d9d0c9c98
commit 67e5f3b71d
2 changed files with 63 additions and 0 deletions
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21
tests/syscalls.scm
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@@ -326,6 +326,27 @@
;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32.
(memv (system-error-errno args) (list EPERM EACCES))))))
(test-equal "network-interface-netmask lo"
(make-socket-address AF_INET (inet-pton AF_INET "255.0.0.0") 0)
(let* ((sock (socket AF_INET SOCK_STREAM 0))
(addr (network-interface-netmask sock "lo")))
(close-port sock)
addr))
(test-skip (if (zero? (getuid)) 1 0))
(test-assert "set-network-interface-netmask"
(let ((sock (socket AF_INET SOCK_STREAM 0)))
(catch 'system-error
(lambda ()
(set-network-interface-netmask sock "nonexistent"
(make-socket-address
AF_INET
(inet-pton AF_INET "255.0.0.0")
0)))
(lambda args
(close-port sock)
(memv (system-error-errno args) (list EPERM EACCES))))))
(test-equal "network-interfaces returns one or more interfaces"
'(#t #t #t)
(match (network-interfaces)