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-rw-r--r--test/util/BUILD19
-rw-r--r--test/util/pty_util.cc45
-rw-r--r--test/util/pty_util.h30
-rw-r--r--test/util/save_util.cc12
-rw-r--r--test/util/save_util.h5
-rw-r--r--test/util/save_util_linux.cc33
-rw-r--r--test/util/save_util_other.cc23
-rw-r--r--test/util/thread_util.h18
8 files changed, 170 insertions, 15 deletions
diff --git a/test/util/BUILD b/test/util/BUILD
index a1b9ff526..cfea029b2 100644
--- a/test/util/BUILD
+++ b/test/util/BUILD
@@ -1,3 +1,5 @@
+load("//test/syscalls:build_defs.bzl", "select_for_linux")
+
package(
default_visibility = ["//:sandbox"],
licenses = ["notice"],
@@ -139,7 +141,11 @@ cc_library(
cc_library(
name = "save_util",
testonly = 1,
- srcs = ["save_util.cc"],
+ srcs = ["save_util.cc"] +
+ select_for_linux(
+ ["save_util_linux.cc"],
+ ["save_util_other.cc"],
+ ),
hdrs = ["save_util.h"],
)
@@ -184,6 +190,17 @@ cc_test(
)
cc_library(
+ name = "pty_util",
+ testonly = 1,
+ srcs = ["pty_util.cc"],
+ hdrs = ["pty_util.h"],
+ deps = [
+ ":file_descriptor",
+ ":posix_error",
+ ],
+)
+
+cc_library(
name = "signal_util",
testonly = 1,
srcs = ["signal_util.cc"],
diff --git a/test/util/pty_util.cc b/test/util/pty_util.cc
new file mode 100644
index 000000000..c0fd9a095
--- /dev/null
+++ b/test/util/pty_util.cc
@@ -0,0 +1,45 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "test/util/pty_util.h"
+
+#include <sys/ioctl.h>
+#include <termios.h>
+
+#include "test/util/file_descriptor.h"
+#include "test/util/posix_error.h"
+
+namespace gvisor {
+namespace testing {
+
+PosixErrorOr<FileDescriptor> OpenSlave(const FileDescriptor& master) {
+ // Get pty index.
+ int n;
+ int ret = ioctl(master.get(), TIOCGPTN, &n);
+ if (ret < 0) {
+ return PosixError(errno, "ioctl(TIOCGPTN) failed");
+ }
+
+ // Unlock pts.
+ int unlock = 0;
+ ret = ioctl(master.get(), TIOCSPTLCK, &unlock);
+ if (ret < 0) {
+ return PosixError(errno, "ioctl(TIOSPTLCK) failed");
+ }
+
+ return Open(absl::StrCat("/dev/pts/", n), O_RDWR | O_NONBLOCK);
+}
+
+} // namespace testing
+} // namespace gvisor
diff --git a/test/util/pty_util.h b/test/util/pty_util.h
new file mode 100644
index 000000000..367b14f15
--- /dev/null
+++ b/test/util/pty_util.h
@@ -0,0 +1,30 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef GVISOR_TEST_UTIL_PTY_UTIL_H_
+#define GVISOR_TEST_UTIL_PTY_UTIL_H_
+
+#include "test/util/file_descriptor.h"
+#include "test/util/posix_error.h"
+
+namespace gvisor {
+namespace testing {
+
+// Opens the slave end of the passed master as R/W and nonblocking.
+PosixErrorOr<FileDescriptor> OpenSlave(const FileDescriptor& master);
+
+} // namespace testing
+} // namespace gvisor
+
+#endif // GVISOR_TEST_UTIL_PTY_UTIL_H_
diff --git a/test/util/save_util.cc b/test/util/save_util.cc
index 05f52b80d..384d626f0 100644
--- a/test/util/save_util.cc
+++ b/test/util/save_util.cc
@@ -16,8 +16,8 @@
#include <stddef.h>
#include <stdlib.h>
-#include <sys/syscall.h>
#include <unistd.h>
+
#include <atomic>
#include <cerrno>
@@ -61,13 +61,11 @@ void DisableSave::reset() {
}
}
-void MaybeSave() {
- if (CooperativeSaveEnabled() && !save_disable.load()) {
- int orig_errno = errno;
- syscall(SYS_create_module, nullptr, 0);
- errno = orig_errno;
- }
+namespace internal {
+bool ShouldSave() {
+ return CooperativeSaveEnabled() && (save_disable.load() == 0);
}
+} // namespace internal
} // namespace testing
} // namespace gvisor
diff --git a/test/util/save_util.h b/test/util/save_util.h
index 90460701e..bddad6120 100644
--- a/test/util/save_util.h
+++ b/test/util/save_util.h
@@ -41,6 +41,11 @@ class DisableSave {
//
// errno is guaranteed to be preserved.
void MaybeSave();
+
+namespace internal {
+bool ShouldSave();
+} // namespace internal
+
} // namespace testing
} // namespace gvisor
diff --git a/test/util/save_util_linux.cc b/test/util/save_util_linux.cc
new file mode 100644
index 000000000..7a0f14342
--- /dev/null
+++ b/test/util/save_util_linux.cc
@@ -0,0 +1,33 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <errno.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#include "test/util/save_util.h"
+
+namespace gvisor {
+namespace testing {
+
+void MaybeSave() {
+ if (internal::ShouldSave()) {
+ int orig_errno = errno;
+ syscall(SYS_create_module, nullptr, 0);
+ errno = orig_errno;
+ }
+}
+
+} // namespace testing
+} // namespace gvisor
diff --git a/test/util/save_util_other.cc b/test/util/save_util_other.cc
new file mode 100644
index 000000000..1aca663b7
--- /dev/null
+++ b/test/util/save_util_other.cc
@@ -0,0 +1,23 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace gvisor {
+namespace testing {
+
+void MaybeSave() {
+ // Saving is never available in a non-linux environment.
+}
+
+} // namespace testing
+} // namespace gvisor
diff --git a/test/util/thread_util.h b/test/util/thread_util.h
index 860e77531..923c4fe10 100644
--- a/test/util/thread_util.h
+++ b/test/util/thread_util.h
@@ -16,7 +16,9 @@
#define GVISOR_TEST_UTIL_THREAD_UTIL_H_
#include <pthread.h>
+#ifdef __linux__
#include <sys/syscall.h>
+#endif
#include <unistd.h>
#include <functional>
@@ -66,13 +68,13 @@ class ScopedThread {
private:
void CreateThread() {
- TEST_PCHECK_MSG(
- pthread_create(&pt_, /* attr = */ nullptr,
- +[](void* arg) -> void* {
- return static_cast<ScopedThread*>(arg)->f_();
- },
- this) == 0,
- "thread creation failed");
+ TEST_PCHECK_MSG(pthread_create(
+ &pt_, /* attr = */ nullptr,
+ +[](void* arg) -> void* {
+ return static_cast<ScopedThread*>(arg)->f_();
+ },
+ this) == 0,
+ "thread creation failed");
}
std::function<void*()> f_;
@@ -81,7 +83,9 @@ class ScopedThread {
void* retval_ = nullptr;
};
+#ifdef __linux__
inline pid_t gettid() { return syscall(SYS_gettid); }
+#endif
} // namespace testing
} // namespace gvisor
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 11:05:16 +0000