summaryrefslogtreecommitdiffstats
path: root/src/test/test-raw-clone.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/test/test-raw-clone.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-raw-clone.c')
-rw-r--r--src/test/test-raw-clone.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/test-raw-clone.c b/src/test/test-raw-clone.c
new file mode 100644
index 0000000..23ec7d1
--- /dev/null
+++ b/src/test/test-raw-clone.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "errno-util.h"
+#include "format-util.h"
+#include "missing_syscall.h"
+#include "raw-clone.h"
+#include "tests.h"
+
+TEST(raw_clone) {
+ pid_t parent, pid, pid2;
+
+ parent = getpid();
+ log_info("before clone: getpid()→"PID_FMT, parent);
+ assert_se(raw_getpid() == parent);
+
+ pid = raw_clone(0);
+ assert_se(pid >= 0);
+
+ pid2 = raw_getpid();
+ log_info("raw_clone: "PID_FMT" getpid()→"PID_FMT" raw_getpid()→"PID_FMT,
+ pid, getpid(), pid2);
+ if (pid == 0) {
+ assert_se(pid2 != parent);
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ assert_se(pid2 == parent);
+ waitpid(pid, &status, __WCLONE);
+ assert_se(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
+ }
+
+ errno = 0;
+ assert_se(raw_clone(CLONE_FS|CLONE_NEWNS) == -1);
+ assert_se(errno == EINVAL || ERRNO_IS_PRIVILEGE(errno)); /* Certain container environments prohibit namespaces to us, don't fail in that case */
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);