1 files changed, 0 insertions, 107 deletions
diff --git a/test/util/signal_util.h b/test/util/signal_util.h
deleted file mode 100644
index 20eebd7e4..000000000
--- a/test/util/signal_util.h
+++ /dev/null
@@ -1,107 +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.
-
-#ifndef GVISOR_TEST_UTIL_SIGNAL_UTIL_H_
-#define GVISOR_TEST_UTIL_SIGNAL_UTIL_H_
-
-#include <signal.h>
-#include <sys/syscall.h>
-#include <unistd.h>
-
-#include <ostream>
-
-#include "gmock/gmock.h"
-#include "test/util/cleanup.h"
-#include "test/util/posix_error.h"
-
-// Format a sigset_t as a comma separated list of numeric ranges.
-::std::ostream& operator<<(::std::ostream& os, const sigset_t& sigset);
-
-namespace gvisor {
-namespace testing {
-
-// The maximum signal number.
-static constexpr int kMaxSignal = 64;
-
-// Wrapper for the tgkill(2) syscall, which glibc does not provide.
-inline int tgkill(pid_t tgid, pid_t tid, int sig) {
-  return syscall(__NR_tgkill, tgid, tid, sig);
-}
-
-// Installs the passed sigaction and returns a cleanup function to restore the
-// previous handler when it goes out of scope.
-PosixErrorOr<Cleanup> ScopedSigaction(int sig, struct sigaction const& sa);
-
-// Updates the signal mask as per sigprocmask(2) and returns a cleanup function
-// to restore the previous signal mask when it goes out of scope.
-PosixErrorOr<Cleanup> ScopedSignalMask(int how, sigset_t const& set);
-
-// ScopedSignalMask variant that creates a mask of the single signal 'sig'.
-inline PosixErrorOr<Cleanup> ScopedSignalMask(int how, int sig) {
-  sigset_t set;
-  sigemptyset(&set);
-  sigaddset(&set, sig);
-  return ScopedSignalMask(how, set);
-}
-
-// Asserts equality of two sigset_t values.
-MATCHER_P(EqualsSigset, value, "equals " + ::testing::PrintToString(value)) {
-  for (int sig = 1; sig <= kMaxSignal; ++sig) {
-    if (sigismember(&arg, sig) != sigismember(&value, sig)) {
-      return false;
-    }
-  }
-  return true;
-}
-
-#ifdef __x86_64__
-// Fault can be used to generate a synchronous SIGSEGV.
-//
-// This fault can be fixed up in a handler via fixup, below.
-inline void Fault() {
-  // Zero and dereference %ax.
-  asm("movabs $0, %%rax\r\n"
-      "mov 0(%%rax), %%rax\r\n"
-      :
-      :
-      : "ax");
-}
-
-// FixupFault fixes up a fault generated by fault, above.
-inline void FixupFault(ucontext_t* ctx) {
-  // Skip the bad instruction above.
-  //
-  // The encoding is 0x48 0xab 0x00.
-  ctx->uc_mcontext.gregs[REG_RIP] += 3;
-}
-#elif __aarch64__
-inline void Fault() {
-  // Zero and dereference x0.
-  asm("mov x0, xzr\r\n"
-      "str xzr, [x0]\r\n"
-      :
-      :
-      : "x0");
-}
-
-inline void FixupFault(ucontext_t* ctx) {
-  // Skip the bad instruction above.
-  ctx->uc_mcontext.pc += 4;
-}
-#endif
-
-}  // namespace testing
-}  // namespace gvisor
-
-#endif  // GVISOR_TEST_UTIL_SIGNAL_UTIL_H_