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| author | David Thompson <davet@gnu.org> | 2015-06-08 08:43:05 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2015-07-07 20:55:09 -0400 |
| commit | 43ace6ea76b0cb4e2ba3f6486acba7dc66e2f19d (patch) | |
| tree | 5062859668bf8e9dcbbb392526d11f4a32d30996 /tests/syscalls.scm | |
| parent | 8950ed11c6a0d51be056b3509f3ab269787696e9 (diff) | |
| download | guix-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.scm | 26 |
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) |