diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/syscalls/linux/ioctl.cc | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/syscalls/linux/ioctl.cc b/test/syscalls/linux/ioctl.cc index c525d41d2..4948a76f0 100644 --- a/test/syscalls/linux/ioctl.cc +++ b/test/syscalls/linux/ioctl.cc @@ -229,6 +229,37 @@ TEST_F(IoctlTest, FIOASYNCSelfTarget2) { EXPECT_EQ(io_received, 1); } +// Check that closing an FD does not result in an event. +TEST_F(IoctlTest, FIOASYNCSelfTargetClose) { + // Count SIGIOs received. + struct sigaction sa; + io_received = 0; + sa.sa_sigaction = inc_io_handler; + sigfillset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + auto sa_cleanup = ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaction(SIGIO, sa)); + + // Actually allow SIGIO delivery. + auto mask_cleanup = + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_UNBLOCK, SIGIO)); + + for (int i = 0; i < 2; i++) { + auto pair = ASSERT_NO_ERRNO_AND_VALUE( + UnixDomainSocketPair(SOCK_SEQPACKET).Create()); + + pid_t pid = getpid(); + EXPECT_THAT(ioctl(pair->second_fd(), FIOSETOWN, &pid), SyscallSucceeds()); + + int set = 1; + EXPECT_THAT(ioctl(pair->second_fd(), FIOASYNC, &set), SyscallSucceeds()); + } + + // FIXME(b/120624367): gVisor erroneously sends SIGIO on close. + SKIP_IF(IsRunningOnGvisor()); + + EXPECT_EQ(io_received, 0); +} + TEST_F(IoctlTest, FIOASYNCInvalidPID) { auto pair = ASSERT_NO_ERRNO_AND_VALUE(UnixDomainSocketPair(SOCK_SEQPACKET).Create()); |