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tests: create test-raw-clone.c for raw-clone.h

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The include for process-util.h is added for reset_cached_pid(). This
essentially fixes a pre-existing missing include.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2022-11-06 17:13:57 +01:00
parent da603935d5
commit 2ba6823716
4 changed files with 44 additions and 31 deletions
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1
src/basic/raw-clone.h
View File

@@ -11,6 +11,7 @@
#include "log.h"
#include "macro.h"
#include "process-util.h"
/**
* raw_clone() - uses clone to create a new process with clone flags

2
src/test/meson.build
View File

@@ -205,6 +205,8 @@ tests += [
[files('test-ratelimit.c')],
[files('test-raw-clone.c')],
[files('test-limits-util.c')],
[files('test-util.c')],

41
src/test/test-raw-clone.c Normal file
View File

@@ -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);

31
src/test/test-util.c
View File

@@ -1,8 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include <sys/wait.h>
#include <unistd.h>
#include "fileio.h"
#include "fs-util.h"
@@ -128,33 +126,4 @@ TEST(eqzero) {
assert_se(!eqzero(longer));
}
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);