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2019-06-06Fix some bugs with multithreaded tests:Alan Somers
* kmod tests must run exclusively, because they load and unload a module with a constant name. * A few tests were doing some variant of chdir, but weren't taking the CWD_MTX. * The kmod tests read files by path relative to CWD, so they need the CWD_MTX. But they don't need it exclusively, so convert the CWD_MTX into an RwLock. * Tests that do change the cwd need to change it back when they're done.
2019-06-06Fix multiple problems with the test_acct testAlan Somers
* On Linux, it requires the CAP_SYS_PACCT capability. * Reenable the test on FreeBSD, because our FreeBSD CI environment is no longer jailed (since we switched from BuildBot to CirrusCI), but check at runtime whether the process is jailed. * test_acct needs the FORK_MTX because it uses Command::new . * Fix a race condition. acct(2) isn't synchronous. It starts a kernel thread but does not wait for it to become ready. Fix it by running the test command within the polling loop.
2019-06-06Fix kmod tests on in Linux containersAlan Somers
It's not sufficient to check for root privileges, because a containerized process may have root's euid but still lack important capabilities. Fix these tests by checking for the CAP_SYS_MOD capability.
2019-06-06Fix the is_so_mark_functional test in Linux containersAlan Somers
It's not sufficient to check for root privileges. In a container, the euid may be root even though the user lacks some capabilities. Replace this test's root check with a check for the CAP_NET_ADMIN capability instead.
2018-09-05Add wrapper for linux kernel module loadingPascal Bach
- init_module and finit_module to load kernel modules - delete_module to unload kernel modules Signed-off-by: Pascal Bach <pascal.bach@nextrem.ch>
2018-09-05Refactor skip_if_not_root into macroPascal Bach
This macro can be used in tests to skip the test if it requires root to sucssfully run.
2018-09-03new dir moduleScott Lamb
This is a lower-level interface than `std::fs::ReadDir`. Notable differences: * can be opened from a file descriptor (as returned by `openat`, perhaps before knowing if the path represents a file or directory). Uses `fdopendir` for this, available on all Unix platforms as of rust-lang/libc#1018. * implements `AsRawFd`, so it can be passed to `fstat`, `openat`, etc. * can be iterated through multiple times without closing and reopening the file descriptor. Each iteration rewinds when finished. * returns entries for `.` (current directory) and `..` (parent directory). * returns entries' names as a `CStr` (no allocation or conversion beyond whatever libc does).
2018-09-01deps: update tempfile to 3Igor Gnatenko
Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
2018-05-28Implement sendfile on FreeBSD and DarwinAndrew Morrow
2018-01-21Merge #820bors[bot]
820: Change AioCb to primarily use Bytes instead of Rc<[u8]> r=Susurrus a=asomers `Rc<[u8]>` isn't a very good buffer type to use for aio. For one thing, it lacks interior mutability. For another, a single `Rc<[u8]>` can't be carved up into smaller buffers of the same type. `Bytes` and `BytesMut` fix both problems. This PR removes the ability to construct an `AioCb` from `Rc<[u8]>` and adds the ability to construct one from `Bytes`, `BytesMut`, or raw pointers (for consumers who need even more flexibility). At this stage, the PR has the following warts: 1. A hack is necessary to force small `Bytes` buffers to allocate on the heap. I plan to fix this with an enhancement to the bytes crate. 2. The `AioCb::buffer` method is necessary due to a deficiency in the tokio-core crate. Once I fix that, then only `AioCb::into_buffer`will need to be public.
2018-01-15aio: use `Bytes` instead of `Rc<[u8]>`Alan Somers
It's not actually safe to read into an `Rc<[u8]>`. It only worked because of a coincidental `unsafe` block. Replace that type with `BytesMut` from the bytes crate. For consistency's sake, use `Bytes` for writing too, and completely remove methods relating to `Rc<[u8]>`. Note that the `AioCb` will actually own the `BytesMut` object. The caller must call `into_buffer` to get it back once the I/O is complete. Fixes #788
2018-01-10Expose mqueue functions for all supported OSesAlan Somers
2017-12-20Add backticks to types in doccommentsBryant Mairs
2017-12-05Remove nix-test subcrateBryant Mairs
This was doing testing for errno constants and a few other types that is no longer necessary now that these types are all tested within the libc project itself.
2017-11-12groups tests: Add groups mutex and print message when tests skippedJamie Hewland
Fix groups mutex name
2017-08-18unistd: add fexecve()Luca Bruno
This adds fexecve() to `nix::unistd`. It is available in libc since 0.2.29. Ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/fexecve.html
2017-07-26add poll module for all platformsNicolas Dusart
2017-07-19Fix thread safety issues in pty and termios testsAlan Somers
ptsname(3) returns a pointer to a global variable, so it isn't thread-safe. Protect it with a mutex.
2017-07-18Remove signalfd feature in favor of conditional compilationBryant Mairs
Note that this is now only available for Linux as support is missing in libc for Android (see rust-lang/libc#671). As part of this work the SIGUSR2 signal mutex was altered to be a general signal mutex. This is because all signal handling is shared across all threads in the Rust test harness, so if you alter one signal, depending on whether it's additive or may overwrite the mask for other signals, it could break the other ones. Instead of putting this on the user, just broaden the scope of the mutex so that any altering of signal handling needs to use it.
2017-07-16Fix thread safety issues in aio, chdir, and wait testsAlan Somers
They have four problems: * The chdir tests change the process's cwd, which is global. Protect them all with a mutex. * The wait tests will reap any subprocess, and several tests create subprocesses. Protect them all with a mutex so only one subprocess-creating test will run at a time. * When a multithreaded test forks, the child process can sometimes block in the stack unwinding code. It blocks on a mutex that was held by a different thread in the parent, but that thread doesn't exist in the child, so a deadlock results. Fix this by immediately calling std::process:exit in the child processes. * My previous attempt at thread safety in the aio tests didn't work, because anonymous MutexGuards drop immediately. Fix this by naming the SIGUSR2_MTX MutexGuards. Fixes #251
2017-07-09Fix double close bugs in test_lseek and test_lseek64Alan Somers
std::fs::File closes the underlying file descriptor on Drop, without checking for errors. test_lseek and test_lseek64 also manually close the file descriptor. That works for single threaded test runs. But for multithreaded runs, it causes EBADF errors in other tests. Fix the tests by consuming the File with into_raw_fd(), so its drop method will never be called. Also, fix a potential short read bug in the same tests.
2017-06-12Add openpty()Kelvin Ly
2017-05-16Add various pty functionsBryant Mairs
* grantpt * ptsname/ptsname_r * posix_openpt * unlockpt
2017-04-15tests should protect concurrent access to signal handlersAlan Somers
Adds a mutex to protect access to SIGUSR2 signal handlers by the AIO tests. Fixes #578
2016-11-18Improve portability of test_getsocknameAlan Somers
test_getsockname used an IPv4 socket and assumed that localhost was "127.0.0.1". But that assumption doesn't hold on IPv6-only hosts or on shared-IP FreeBSD jails. Unfortunately, the Rust standard library doesn't provide a good way to resolve localhost. So change the test to use a unix-domain socket instead.
2016-02-14linux: Add splice(2), tee(2), vmsplice(2)Kamal Marhubi
2016-02-12linux: Add sendfile(2)Kamal Marhubi
2016-01-27Add test for if_nametoindexKamal Marhubi
2016-01-25Add everything from poll.h.Utkarsh Kukreti
2016-01-13Use tempdir for temporary files in testsKamal Marhubi
2015-08-12Fix testsCorey Richardson
2015-07-09Run 32 bit CI buildsCarl Lerche
2015-04-27Basic Posix MQ supportMarkus Jais
2015-04-03'derive(Copy)' needs Clone nowFlorian Hartwig
2015-03-25Use libc from crates.ioCarl Lerche
2015-03-25Track Rust masterCarl Lerche
2015-03-19Track Rust nightliesCarl Lerche
2015-03-16Fix deprecation warningsCarl Lerche
2015-02-25Large cleanup, mostly of socket functionsCarl Lerche
2015-02-21Fix uio and add SockAddr conversionsCarl Lerche
2015-02-21Cleanup readv & writev + testsCarl Lerche