summaryrefslogtreecommitdiffhomepage
path: root/test/util/signal_util.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/util/signal_util.cc')
-rw-r--r--test/util/signal_util.cc104
1 files changed, 0 insertions, 104 deletions
diff --git a/test/util/signal_util.cc b/test/util/signal_util.cc
deleted file mode 100644
index 5ee95ee80..000000000
--- a/test/util/signal_util.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright 2018 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/signal_util.h"
-
-#include <signal.h>
-
-#include <ostream>
-
-#include "gtest/gtest.h"
-#include "test/util/cleanup.h"
-#include "test/util/posix_error.h"
-#include "test/util/test_util.h"
-
-namespace {
-
-struct Range {
- int start;
- int end;
-};
-
-// Format a Range as "start-end" or "start" for single value Ranges.
-static ::std::ostream& operator<<(::std::ostream& os, const Range& range) {
- if (range.end > range.start) {
- return os << range.start << '-' << range.end;
- }
-
- return os << range.start;
-}
-
-} // namespace
-
-// Format a sigset_t as a comma separated list of numeric ranges.
-// Empty sigset: []
-// Full sigset: [1-31,34-64]
-::std::ostream& operator<<(::std::ostream& os, const sigset_t& sigset) {
- const char* delim = "";
- Range range = {0, 0};
-
- os << '[';
-
- for (int sig = 1; sig <= gvisor::testing::kMaxSignal; ++sig) {
- if (sigismember(&sigset, sig)) {
- if (range.start) {
- range.end = sig;
- } else {
- range.start = sig;
- range.end = sig;
- }
- } else if (range.start) {
- os << delim << range;
- delim = ",";
- range.start = 0;
- range.end = 0;
- }
- }
-
- if (range.start) {
- os << delim << range;
- }
-
- return os << ']';
-}
-
-namespace gvisor {
-namespace testing {
-
-PosixErrorOr<Cleanup> ScopedSigaction(int sig, struct sigaction const& sa) {
- struct sigaction old_sa;
- int rc = sigaction(sig, &sa, &old_sa);
- MaybeSave();
- if (rc < 0) {
- return PosixError(errno, "sigaction failed");
- }
- return Cleanup([sig, old_sa] {
- EXPECT_THAT(sigaction(sig, &old_sa, nullptr), SyscallSucceeds());
- });
-}
-
-PosixErrorOr<Cleanup> ScopedSignalMask(int how, sigset_t const& set) {
- sigset_t old;
- int rc = sigprocmask(how, &set, &old);
- MaybeSave();
- if (rc < 0) {
- return PosixError(errno, "sigprocmask failed");
- }
- return Cleanup([old] {
- EXPECT_THAT(sigprocmask(SIG_SETMASK, &old, nullptr), SyscallSucceeds());
- });
-}
-
-} // namespace testing
-} // namespace gvisor