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2021-03-10Rollup merge of #82949 - the8472:forget-envlock-on-fork, r=joshtriplettDylan DPC-1/+10
Do not attempt to unlock envlock in child process after a fork. This implements the first two points from https://github.com/rust-lang/rust/issues/64718#issuecomment-793030479 This is a breaking change for cases where the environment is accessed in a Command::pre_exec closure. Except for single-threaded programs these uses were not correct anyway since they aren't async-signal safe. Note that we had a ui test that explicitly tried `env::set_var` in `pre_exec`. As expected it failed with these changes when I tested locally.
2021-03-10Rollup merge of #82411 - ijackson:fix-exitstatus, r=dtolnayYuki Okushi-2/+12
Fixes to ExitStatus and its docs * On Unix, properly display every possible wait status (and don't panic on weird values) * In the documentation, be clear and consistent about "exit status" vs "wait status".
2021-03-09Do not attempt to unlock envlock in child process after a fork.The8472-1/+10
This is a breaking change for cases where the environment is accessed in a Command::pre_exec closure. Except for single-threaded programs these uses were not correct anyway since they aren't async-signal safe.
2021-02-28unix: Non-mutable bufs in send_vectored_with_ancillary_toLinkTed-45/+48
Change the arguments of `send_vectored_with_ancillary` and `send_vectored_with_ancillary_to` to take an non-mutable bufs.
2021-02-23Update outdated comment in unix Command.Eric Huss-0/+2
2021-02-23ExitStatus: Improve documentation re wait status vs exit statusIan Jackson-2/+12
The use of `ExitStatus` as the Rust type name for a Unix *wait status*, not an *exit status*, is very confusing, but sadly probably too late to change. This area is confusing enough in Unix already (and many programmers are already confuxed). We can at least document it. I chose *not* to mention the way shells like to exit with signal numbers, thus turning signal numbers into exit statuses. This is only relevant for Rust programs using `std::process` if they run shells. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-02-10Seal the CommandExt, OsStrExt and OsStringExt traitsAmanieu d'Antras-13/+6
2021-01-21Add setgroups to std::os::unix::process::CommandExtslo1-0/+18
2021-01-13Fix typo saeled -> sealedDavid Tolnay-1/+1
2021-01-13ExitStatusExt unix: Retrospectively seal this traitIan Jackson-1/+15
As discussed in #79982. I think the "new interfaces", ie the new trait and impl, must be insta-stable. This seems OK because we are, in fact, adding a new restriction to the stable API. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13unix ExitStatus: Add tracking issue to new methodsIan Jackson-4/+4
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13Replace `Ie` with `In other words`Ian Jackson-1/+1
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
2021-01-13Replace `Ie` with `In other words`Ian Jackson-1/+1
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
2021-01-13unix ExitStatus: Provide .continued()Ian Jackson-0/+11
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13unix ExitStatus: Provide .stopped_signal()Ian Jackson-0/+11
Necessary to handle WIFSTOPPED. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13unix ExitStatus: Provide .core_dumpedIan Jackson-0/+8
This is essential for proper reporting of child process status on Unix. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13unix ExitStatus: Provide .into_raw()Ian Jackson-0/+8
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2021-01-13unix ExitStatus: Clarify docs for .signal()Ian Jackson-0/+2
We need to be clear that this never returns WSTOPSIG. That is, if WIFSTOPPED, the return value is None. Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
2020-12-16Fix failing build of std on armv5te-unknown-linux-uclibceabi due to missing ↵Ondrej Perutka-1/+5
cmsg_len_zero
2020-12-09Auto merge of #79387 - woodruffw-forks:ww/peer-cred-pid-macos, r=Amanieubors-15/+57
ext/ucred: Support PID in peer creds on macOS This is a follow-up to https://github.com/rust-lang/rust/pull/75148 (RFC: https://github.com/rust-lang/rust/issues/42839). The original PR used `getpeereid` on macOS and the BSDs, since they don't (generally) support the `SO_PEERCRED` mechanism that Linux supplies. This PR splits the macOS/iOS implementation of `peer_cred()` from that of the BSDs, since macOS supplies the `LOCAL_PEERPID` sockopt as a source of the missing PID. It also adds a `cfg`-gated tests that ensures that platforms with support for PIDs in `UCred` have the expected data.
2020-12-02Auto merge of #69864 - LinkTed:master, r=Amanieubors-1771/+3058
unix: Extend UnixStream and UnixDatagram to send and receive file descriptors Add the functions `recv_vectored_fds` and `send_vectored_fds` to `UnixDatagram` and `UnixStream`. With this functions `UnixDatagram` and `UnixStream` can send and receive file descriptors, by using `recvmsg` and `sendmsg` system call.
2020-11-26Add comment for the previous android bug fixLinkTed-0/+4
2020-11-24Bug fix for android platform, because of the wrong behavior of CMSG_NXTHDRLinkTed-0/+19
2020-11-24ext/ucred: fmt checkWilliam Woodruff-26/+8
2020-11-24ext/ucred: Support PID in peer creds on macOSWilliam Woodruff-5/+65
2020-11-14Disambiguate symlink argument namesDavid Tolnay-3/+3
2020-11-04Fix docs for MacOs (again)LinkTed-1/+2
2020-11-03Fix docs for MacOs (correction)LinkTed-1/+2
2020-10-28Fix test cases for MacOsLinkTed-2/+28
2020-10-17Fix cannot find type `ucred` for MacOs by using fake definitionsLinkTed-1/+1
2020-10-16Take some of sys/vxworks/process/* from sys/unix instead.Mara Bos-4/+20
2020-10-16Take sys/vxworks/{fd,fs,io} from sys/unix instead.Mara Bos-0/+7
2020-10-11Fix unresolved imports for `recv_vectored_with_ancillary_from`, ↵LinkTed-0/+1
`send_vectored_with_ancillary_to` and `SocketAncillary`
2020-10-10Fix unresolved link to `SocketAncillary`LinkTed-0/+2
2020-10-10Fix `libc` is ambiguous for WindowsLinkTed-9/+6
2020-10-10Fix import errors for `#[cfg(doc)]` targetLinkTed-2/+4
2020-10-10Add fake definitions for WindowsLinkTed-0/+10
2020-10-10Fix imports for MacOsLinkTed-8/+4
2020-10-10Change imports for `cfg(doc)`LinkTed-30/+29
2020-10-10Remove `passcred` for `emscripten`LinkTed-4/+4
2020-10-10Remove unnecessary trailing semicolonLinkTed-1/+1
2020-10-10Fix type mismatching for different OSes.LinkTed-41/+105
2020-10-10Remove `SocketCred` for `emscripten`LinkTed-13/+9
2020-10-10Fix unused import for `IoSliceMut` for macosLinkTed-0/+9
2020-10-10Add conditional compilation for importLinkTed-0/+1
2020-10-10Fix cfg condition for testLinkTed-1/+1
2020-10-10Remove `target_os`, which does not have `SO_PASSCRED` constant in `libc`LinkTed-56/+5
2020-10-10Remove `target_os`, which does not have `cmsghdr` struct in `libc`LinkTed-12/+0
2020-10-10Remove `target_os`, which does not have `MSG_CMSG_CLOEXEC` constant in `libc`LinkTed-54/+31
2020-10-10Add the code of the tracking issueLinkTed-36/+36
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