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author | David Thompson <davet@gnu.org> | 2015-06-25 20:17:46 -0400 |
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committer | David Thompson <dthompson2@worcester.edu> | 2015-07-07 21:16:25 -0400 |
commit | df3ce5c123929b690672cfc6adb3323a8033ec44 (patch) | |
tree | bec7dc9274a352899b17b876e3adcb1eabc300d7 /tests/syscalls.scm | |
parent | 43ace6ea76b0cb4e2ba3f6486acba7dc66e2f19d (diff) | |
download | guix-df3ce5c123929b690672cfc6adb3323a8033ec44.tar guix-df3ce5c123929b690672cfc6adb3323a8033ec44.tar.gz |
build: syscalls: Add pivot-root.
* guix/build/syscalls.scm (pivot-root): New procedure.
* tests/syscalls.scm ("pivot-root"): New test.
Diffstat (limited to 'tests/syscalls.scm')
-rw-r--r-- | tests/syscalls.scm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/syscalls.scm b/tests/syscalls.scm index 9b8ac9e603..8598f747f1 100644 --- a/tests/syscalls.scm +++ b/tests/syscalls.scm @@ -18,6 +18,7 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (test-syscalls) + #:use-module (guix utils) #:use-module (guix build syscalls) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) @@ -117,6 +118,34 @@ (waitpid fork-pid) result)))))))) +(test-assert "pivot-root" + (match (pipe) + ((in . out) + (match (clone (logior CLONE_NEWUSER CLONE_NEWNS SIGCHLD)) + (0 + (close in) + (call-with-temporary-directory + (lambda (root) + (let ((put-old (string-append root "/real-root"))) + (mount "none" root "tmpfs") + (mkdir put-old) + (call-with-output-file (string-append root "/test") + (lambda (port) + (display "testing\n" port))) + (pivot-root root put-old) + ;; The test file should now be located inside the root directory. + (write (file-exists? "/test") out) + (close out)))) + (primitive-exit 0)) + (pid + (close out) + (let ((result (read in))) + (close in) + (and (zero? (match (waitpid pid) + ((_ . status) + (status:exit-val status)))) + (eq? #t result)))))))) + (test-assert "all-network-interfaces" (match (all-network-interfaces) (((? string? names) ..1) |