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Diffstat (limited to 'test/util/signal_util.cc')
-rw-r--r-- | test/util/signal_util.cc | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/test/util/signal_util.cc b/test/util/signal_util.cc deleted file mode 100644 index 26738864f..000000000 --- a/test/util/signal_util.cc +++ /dev/null @@ -1,103 +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 |