diff options
| author | Fabricio Voznika <fvoznika@google.com> | 2019-04-17 12:56:23 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-04-17 12:57:40 -0700 |
| commit | c8cee7108f1a1b37e89961c6dd69ccab97952c86 (patch) | |
| tree | 57565d1df112795354487f636d42b9bca5a231e2 /test/syscalls/linux/poll.cc | |
| parent | 08d99c5fbea76ecc92038280387d24ecdf7ed814 (diff) | |
Use FD limit and file size limit from host
FD limit and file size limit is read from the host, instead
of using hard-coded defaults, given that they effect the sandbox
process. Also limit the direct cache to use no more than half
if the available FDs.
PiperOrigin-RevId: 244050323
Change-Id: I787ad0fdf07c49d589e51aebfeae477324fe26e6
Diffstat (limited to 'test/syscalls/linux/poll.cc')
| -rw-r--r-- | test/syscalls/linux/poll.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/syscalls/linux/poll.cc b/test/syscalls/linux/poll.cc index 7a6a39444..67a86cc22 100644 --- a/test/syscalls/linux/poll.cc +++ b/test/syscalls/linux/poll.cc @@ -255,7 +255,16 @@ TEST_F(PollTest, Nfds) { // Stash value of RLIMIT_NOFILES. struct rlimit rlim; TEST_PCHECK(getrlimit(RLIMIT_NOFILE, &rlim) == 0); + + // gVisor caps the number of FDs that epoll can use beyond RLIMIT_NOFILE. + constexpr rlim_t gVisorMax = 1048576; + if (rlim.rlim_cur > gVisorMax) { + rlim.rlim_cur = gVisorMax; + TEST_PCHECK(setrlimit(RLIMIT_NOFILE, &rlim) == 0); + } + rlim_t max_fds = rlim.rlim_cur; + LOG(INFO) << "Using limit: " << max_fds; // Create an eventfd. Since its value is initially zero, it is writable. FileDescriptor efd = ASSERT_NO_ERRNO_AND_VALUE(NewEventFD()); |