aboutsummaryrefslogtreecommitdiff
path: root/tests/syscalls.scm
diff options
context:
space:
mode:
authorDavid Thompson <davet@gnu.org>2015-06-08 08:43:05 -0400
committerDavid Thompson <dthompson2@worcester.edu>2015-07-07 20:55:09 -0400
commit43ace6ea76b0cb4e2ba3f6486acba7dc66e2f19d (patch)
tree5062859668bf8e9dcbbb392526d11f4a32d30996 /tests/syscalls.scm
parent8950ed11c6a0d51be056b3509f3ab269787696e9 (diff)
downloadguix-43ace6ea76b0cb4e2ba3f6486acba7dc66e2f19d.tar
guix-43ace6ea76b0cb4e2ba3f6486acba7dc66e2f19d.tar.gz
build: syscalls: Add setns.
* guix/build/syscalls.scm (setns): New procedure. * tests/syscalls.scm ("setns"): New test. squash: setns
Diffstat (limited to 'tests/syscalls.scm')
-rw-r--r--tests/syscalls.scm26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/syscalls.scm b/tests/syscalls.scm
index 4bc6f0332c..9b8ac9e603 100644
--- a/tests/syscalls.scm
+++ b/tests/syscalls.scm
@@ -90,6 +90,32 @@
((_ . status)
(= 42 (status:exit-val status))))))))
+(test-assert "setns"
+ (match (clone (logior CLONE_NEWUSER SIGCHLD))
+ (0 (primitive-exit 0))
+ (clone-pid
+ (match (pipe)
+ ((in . out)
+ (match (primitive-fork)
+ (0
+ (close in)
+ ;; Join the user namespace.
+ (call-with-input-file (user-namespace clone-pid)
+ (lambda (port)
+ (setns (port->fdes port) 0)))
+ (write 'done out)
+ (close out)
+ (primitive-exit 0))
+ (fork-pid
+ (close out)
+ ;; Wait for the child process to join the namespace.
+ (read in)
+ (let ((result (and (equal? (readlink (user-namespace clone-pid))
+ (readlink (user-namespace fork-pid))))))
+ ;; Clean up.
+ (waitpid clone-pid)
+ (waitpid fork-pid)
+ result))))))))
(test-assert "all-network-interfaces"
(match (all-network-interfaces)