1 files changed, 0 insertions, 195 deletions
diff --git a/test/syscalls/linux/vfork.cc b/test/syscalls/linux/vfork.cc
deleted file mode 100644
index 0aaba482d..000000000
--- a/test/syscalls/linux/vfork.cc
+++ /dev/null
@@ -1,195 +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 <errno.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <string>
-#include <utility>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/flags/flag.h"
-#include "absl/time/time.h"
-#include "test/util/logging.h"
-#include "test/util/multiprocess_util.h"
-#include "test/util/test_util.h"
-#include "test/util/time_util.h"
-
-ABSL_FLAG(bool, vfork_test_child, false,
-          "If true, run the VforkTest child workload.");
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-// We don't test with raw CLONE_VFORK to avoid interacting with glibc's use of
-// TLS.
-//
-// Even with vfork(2), we must be careful to do little more in the child than
-// call execve(2). We use the simplest sleep function possible, though this is
-// still precarious, as we're officially only allowed to call execve(2) and
-// _exit(2).
-constexpr absl::Duration kChildDelay = absl::Seconds(10);
-
-// Exit code for successful child subprocesses. We don't want to use 0 since
-// it's too common, and an execve(2) failure causes the child to exit with the
-// errno, so kChildExitCode is chosen to be an unlikely errno:
-constexpr int kChildExitCode = 118;  // ENOTNAM: Not a XENIX named type file
-
-int64_t MonotonicNow() {
-  struct timespec now;
-  TEST_PCHECK(clock_gettime(CLOCK_MONOTONIC, &now) == 0);
-  return now.tv_sec * 1000000000ll + now.tv_nsec;
-}
-
-TEST(VforkTest, ParentStopsUntilChildExits) {
-  const auto test = [] {
-    // N.B. Run the test in a single-threaded subprocess because
-    // vfork is not safe in a multi-threaded process.
-
-    const int64_t start = MonotonicNow();
-
-    pid_t pid = vfork();
-    if (pid == 0) {
-      SleepSafe(kChildDelay);
-      _exit(kChildExitCode);
-    }
-    TEST_PCHECK_MSG(pid > 0, "vfork failed");
-    MaybeSave();
-
-    const int64_t end = MonotonicNow();
-
-    absl::Duration dur = absl::Nanoseconds(end - start);
-
-    TEST_CHECK(dur >= kChildDelay);
-
-    int status = 0;
-    TEST_PCHECK(RetryEINTR(waitpid)(pid, &status, 0));
-    TEST_CHECK(WIFEXITED(status));
-    TEST_CHECK(WEXITSTATUS(status) == kChildExitCode);
-  };
-
-  EXPECT_THAT(InForkedProcess(test), IsPosixErrorOkAndHolds(0));
-}
-
-TEST(VforkTest, ParentStopsUntilChildExecves_NoRandomSave) {
-  ExecveArray const owned_child_argv = {"/proc/self/exe", "--vfork_test_child"};
-  char* const* const child_argv = owned_child_argv.get();
-
-  const auto test = [&] {
-    const int64_t start = MonotonicNow();
-
-    pid_t pid = vfork();
-    if (pid == 0) {
-      SleepSafe(kChildDelay);
-      execve(child_argv[0], child_argv, /* envp = */ nullptr);
-      _exit(errno);
-    }
-    // Don't attempt save/restore until after recording end_time,
-    // since the test expects an upper bound on the time spent
-    // stopped.
-    int saved_errno = errno;
-    const int64_t end = MonotonicNow();
-    errno = saved_errno;
-    TEST_PCHECK_MSG(pid > 0, "vfork failed");
-    MaybeSave();
-
-    absl::Duration dur = absl::Nanoseconds(end - start);
-
-    // The parent should resume execution after execve, but before
-    // the post-execve test child exits.
-    TEST_CHECK(dur >= kChildDelay);
-    TEST_CHECK(dur <= 2 * kChildDelay);
-
-    int status = 0;
-    TEST_PCHECK(RetryEINTR(waitpid)(pid, &status, 0));
-    TEST_CHECK(WIFEXITED(status));
-    TEST_CHECK(WEXITSTATUS(status) == kChildExitCode);
-  };
-
-  EXPECT_THAT(InForkedProcess(test), IsPosixErrorOkAndHolds(0));
-}
-
-// A vfork child does not unstop the parent a second time when it exits after
-// exec.
-TEST(VforkTest, ExecedChildExitDoesntUnstopParent_NoRandomSave) {
-  ExecveArray const owned_child_argv = {"/proc/self/exe", "--vfork_test_child"};
-  char* const* const child_argv = owned_child_argv.get();
-
-  const auto test = [&] {
-    pid_t pid1 = vfork();
-    if (pid1 == 0) {
-      execve(child_argv[0], child_argv, /* envp = */ nullptr);
-      _exit(errno);
-    }
-    TEST_PCHECK_MSG(pid1 > 0, "vfork failed");
-    MaybeSave();
-
-    // pid1 exec'd and is now sleeping.
-    SleepSafe(kChildDelay / 2);
-
-    const int64_t start = MonotonicNow();
-
-    pid_t pid2 = vfork();
-    if (pid2 == 0) {
-      SleepSafe(kChildDelay);
-      _exit(kChildExitCode);
-    }
-    TEST_PCHECK_MSG(pid2 > 0, "vfork failed");
-    MaybeSave();
-
-    const int64_t end = MonotonicNow();
-
-    absl::Duration dur = absl::Nanoseconds(end - start);
-
-    // The parent should resume execution only after pid2 exits, not
-    // when pid1 exits.
-    TEST_CHECK(dur >= kChildDelay);
-
-    int status = 0;
-    TEST_PCHECK(RetryEINTR(waitpid)(pid1, &status, 0));
-    TEST_CHECK(WIFEXITED(status));
-    TEST_CHECK(WEXITSTATUS(status) == kChildExitCode);
-
-    TEST_PCHECK(RetryEINTR(waitpid)(pid2, &status, 0));
-    TEST_CHECK(WIFEXITED(status));
-    TEST_CHECK(WEXITSTATUS(status) == kChildExitCode);
-  };
-
-  EXPECT_THAT(InForkedProcess(test), IsPosixErrorOkAndHolds(0));
-}
-
-int RunChild() {
-  SleepSafe(kChildDelay);
-  return kChildExitCode;
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor
-
-int main(int argc, char** argv) {
-  gvisor::testing::TestInit(&argc, &argv);
-
-  if (absl::GetFlag(FLAGS_vfork_test_child)) {
-    return gvisor::testing::RunChild();
-  }
-
-  return RUN_ALL_TESTS();
-}