1 files changed, 0 insertions, 190 deletions
diff --git a/test/syscalls/linux/pselect.cc b/test/syscalls/linux/pselect.cc
deleted file mode 100644
index 4e43c4d7f..000000000
--- a/test/syscalls/linux/pselect.cc
+++ /dev/null
@@ -1,190 +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 <signal.h>
-#include <sys/select.h>
-
-#include "gtest/gtest.h"
-#include "absl/time/time.h"
-#include "test/syscalls/linux/base_poll_test.h"
-#include "test/util/signal_util.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-namespace {
-
-struct MaskWithSize {
-  sigset_t* mask;
-  size_t mask_size;
-};
-
-// Linux and glibc have a different idea of the sizeof sigset_t. When calling
-// the syscall directly, use what the kernel expects.
-unsigned kSigsetSize = SIGRTMAX / 8;
-
-// Linux pselect(2) differs from the glibc wrapper function in that Linux
-// updates the timeout with the amount of time remaining. In order to test this
-// behavior we need to use the syscall directly.
-int syscallPselect6(int nfds, fd_set* readfds, fd_set* writefds,
-                    fd_set* exceptfds, struct timespec* timeout,
-                    const MaskWithSize* mask_with_size) {
-  return syscall(SYS_pselect6, nfds, readfds, writefds, exceptfds, timeout,
-                 mask_with_size);
-}
-
-class PselectTest : public BasePollTest {
- protected:
-  void SetUp() override { BasePollTest::SetUp(); }
-  void TearDown() override { BasePollTest::TearDown(); }
-};
-
-// See that when there are no FD sets, pselect behaves like sleep.
-TEST_F(PselectTest, NullFds) {
-  struct timespec timeout = absl::ToTimespec(absl::Milliseconds(10));
-  ASSERT_THAT(syscallPselect6(0, nullptr, nullptr, nullptr, &timeout, nullptr),
-              SyscallSucceeds());
-  EXPECT_EQ(timeout.tv_sec, 0);
-  EXPECT_EQ(timeout.tv_nsec, 0);
-
-  timeout = absl::ToTimespec(absl::Milliseconds(10));
-  ASSERT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, nullptr),
-              SyscallSucceeds());
-  EXPECT_EQ(timeout.tv_sec, 0);
-  EXPECT_EQ(timeout.tv_nsec, 0);
-}
-
-TEST_F(PselectTest, ClosedFds) {
-  fd_set read_set;
-  FD_ZERO(&read_set);
-  int fd;
-  ASSERT_THAT(fd = dup(1), SyscallSucceeds());
-  ASSERT_THAT(close(fd), SyscallSucceeds());
-  FD_SET(fd, &read_set);
-  struct timespec timeout = absl::ToTimespec(absl::Milliseconds(10));
-  EXPECT_THAT(
-      syscallPselect6(fd + 1, &read_set, nullptr, nullptr, &timeout, nullptr),
-      SyscallFailsWithErrno(EBADF));
-}
-
-TEST_F(PselectTest, ZeroTimeout) {
-  struct timespec timeout = {};
-  ASSERT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, nullptr),
-              SyscallSucceeds());
-  EXPECT_EQ(timeout.tv_sec, 0);
-  EXPECT_EQ(timeout.tv_nsec, 0);
-}
-
-// If random S/R interrupts the pselect, SIGALRM may be delivered before pselect
-// restarts, causing the pselect to hang forever.
-TEST_F(PselectTest, NoTimeout_NoRandomSave) {
-  // When there's no timeout, pselect may never return so set a timer.
-  SetTimer(absl::Milliseconds(100));
-  // See that we get interrupted by the timer.
-  ASSERT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, nullptr, nullptr),
-              SyscallFailsWithErrno(EINTR));
-  EXPECT_TRUE(TimerFired());
-}
-
-TEST_F(PselectTest, InvalidTimeoutNegative) {
-  struct timespec timeout = absl::ToTimespec(absl::Seconds(-1));
-  ASSERT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, nullptr),
-              SyscallFailsWithErrno(EINVAL));
-  EXPECT_EQ(timeout.tv_sec, -1);
-  EXPECT_EQ(timeout.tv_nsec, 0);
-}
-
-TEST_F(PselectTest, InvalidTimeoutNotNormalized) {
-  struct timespec timeout = {0, 1000000001};
-  ASSERT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, nullptr),
-              SyscallFailsWithErrno(EINVAL));
-  EXPECT_EQ(timeout.tv_sec, 0);
-  EXPECT_EQ(timeout.tv_nsec, 1000000001);
-}
-
-TEST_F(PselectTest, EmptySigMaskInvalidMaskSize) {
-  struct timespec timeout = {};
-  MaskWithSize invalid = {nullptr, 7};
-  EXPECT_THAT(syscallPselect6(0, nullptr, nullptr, nullptr, &timeout, &invalid),
-              SyscallSucceeds());
-}
-
-TEST_F(PselectTest, EmptySigMaskValidMaskSize) {
-  struct timespec timeout = {};
-  MaskWithSize invalid = {nullptr, 8};
-  EXPECT_THAT(syscallPselect6(0, nullptr, nullptr, nullptr, &timeout, &invalid),
-              SyscallSucceeds());
-}
-
-TEST_F(PselectTest, InvalidMaskSize) {
-  struct timespec timeout = {};
-  sigset_t sigmask;
-  ASSERT_THAT(sigemptyset(&sigmask), SyscallSucceeds());
-  MaskWithSize invalid = {&sigmask, 7};
-  EXPECT_THAT(syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, &invalid),
-              SyscallFailsWithErrno(EINVAL));
-}
-
-// Verify that signals blocked by the pselect mask (that would otherwise be
-// allowed) do not interrupt pselect.
-TEST_F(PselectTest, SignalMaskBlocksSignal) {
-  absl::Duration duration(absl::Seconds(30));
-  struct timespec timeout = absl::ToTimespec(duration);
-  absl::Duration timer_duration(absl::Seconds(10));
-
-  // Call with a mask that blocks SIGALRM. See that pselect is not interrupted
-  // (i.e. returns 0) and that upon completion, the timer has fired.
-  sigset_t mask;
-  ASSERT_THAT(sigprocmask(0, nullptr, &mask), SyscallSucceeds());
-  ASSERT_THAT(sigaddset(&mask, SIGALRM), SyscallSucceeds());
-  MaskWithSize mask_with_size = {&mask, kSigsetSize};
-  SetTimer(timer_duration);
-  MaybeSave();
-  ASSERT_FALSE(TimerFired());
-  ASSERT_THAT(
-      syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, &mask_with_size),
-      SyscallSucceeds());
-  EXPECT_TRUE(TimerFired());
-  EXPECT_EQ(absl::DurationFromTimespec(timeout), absl::Duration());
-}
-
-// Verify that signals allowed by the pselect mask (that would otherwise be
-// blocked) interrupt pselect.
-TEST_F(PselectTest, SignalMaskAllowsSignal) {
-  absl::Duration duration = absl::Seconds(30);
-  struct timespec timeout = absl::ToTimespec(duration);
-  absl::Duration timer_duration = absl::Seconds(10);
-
-  sigset_t mask;
-  ASSERT_THAT(sigprocmask(0, nullptr, &mask), SyscallSucceeds());
-
-  // Block SIGALRM.
-  auto cleanup =
-      ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, SIGALRM));
-
-  // Call with a mask that unblocks SIGALRM. See that pselect is interrupted.
-  MaskWithSize mask_with_size = {&mask, kSigsetSize};
-  SetTimer(timer_duration);
-  MaybeSave();
-  ASSERT_FALSE(TimerFired());
-  ASSERT_THAT(
-      syscallPselect6(1, nullptr, nullptr, nullptr, &timeout, &mask_with_size),
-      SyscallFailsWithErrno(EINTR));
-  EXPECT_TRUE(TimerFired());
-  EXPECT_GT(absl::DurationFromTimespec(timeout), absl::Duration());
-}
-
-}  // namespace
-}  // namespace testing
-}  // namespace gvisor