diff options
Diffstat (limited to 'library/std/src/sys/unix/mod.rs')
| -rw-r--r-- | library/std/src/sys/unix/mod.rs | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/library/std/src/sys/unix/mod.rs b/library/std/src/sys/unix/mod.rs index 9055a011c51..68c9520cc9e 100644 --- a/library/std/src/sys/unix/mod.rs +++ b/library/std/src/sys/unix/mod.rs @@ -40,7 +40,7 @@ pub mod stdio; pub mod thread; pub mod thread_local_dtor; pub mod thread_local_key; -pub mod thread_parker; +pub mod thread_parking; pub mod time; #[cfg(target_os = "espidf")] @@ -95,6 +95,10 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { )))] 'poll: { use crate::sys::os::errno; + #[cfg(not(all(target_os = "linux", target_env = "gnu")))] + use libc::open as open64; + #[cfg(all(target_os = "linux", target_env = "gnu"))] + use libc::open64; let pfds: &mut [_] = &mut [ libc::pollfd { fd: 0, events: 0, revents: 0 }, libc::pollfd { fd: 1, events: 0, revents: 0 }, @@ -116,7 +120,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { if pfd.revents & libc::POLLNVAL == 0 { continue; } - if libc::open("/dev/null\0".as_ptr().cast(), libc::O_RDWR, 0) == -1 { + if open64("/dev/null\0".as_ptr().cast(), libc::O_RDWR, 0) == -1 { // If the stream is closed but we failed to reopen it, abort the // process. Otherwise we wouldn't preserve the safety of // operations on the corresponding Rust object Stdin, Stdout, or @@ -139,9 +143,13 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { )))] { use crate::sys::os::errno; + #[cfg(not(all(target_os = "linux", target_env = "gnu")))] + use libc::open as open64; + #[cfg(all(target_os = "linux", target_env = "gnu"))] + use libc::open64; for fd in 0..3 { if libc::fcntl(fd, libc::F_GETFD) == -1 && errno() == libc::EBADF { - if libc::open("/dev/null\0".as_ptr().cast(), libc::O_RDWR, 0) == -1 { + if open64("/dev/null\0".as_ptr().cast(), libc::O_RDWR, 0) == -1 { // If the stream is closed but we failed to reopen it, abort the // process. Otherwise we wouldn't preserve the safety of // operations on the corresponding Rust object Stdin, Stdout, or @@ -156,7 +164,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { unsafe fn reset_sigpipe(#[allow(unused_variables)] sigpipe: u8) { #[cfg(not(any(target_os = "emscripten", target_os = "fuchsia", target_os = "horizon")))] { - // We don't want to add this as a public type to libstd, nor do we + // We don't want to add this as a public type to std, nor do we // want to `include!` a file from the compiler (which would break // Miri and xargo for example), so we choose to duplicate these // constants from `compiler/rustc_session/src/config/sigpipe.rs`. @@ -176,12 +184,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { sigpipe::SIG_DFL => (true, Some(libc::SIG_DFL)), _ => unreachable!(), }; - // The bootstrap compiler doesn't know about sigpipe::DEFAULT, and always passes in - // SIG_IGN. This causes some tests to fail because they expect SIGPIPE to be reset to - // default on process spawning (which doesn't happen if #[unix_sigpipe] is specified). - // Since we can't differentiate between the cases here, treat SIG_IGN as DEFAULT - // unconditionally. - if sigpipe_attr_specified && !(cfg!(bootstrap) && sigpipe == sigpipe::SIG_IGN) { + if sigpipe_attr_specified { UNIX_SIGPIPE_ATTR_SPECIFIED.store(true, crate::sync::atomic::Ordering::Relaxed); } if let Some(handler) = handler { @@ -326,7 +329,7 @@ pub fn cvt_nz(error: libc::c_int) -> crate::io::Result<()> { // do so. In 1003.1-2004 this was fixed. // // glibc's implementation did the flush, unsafely, before glibc commit -// 91e7cf982d01 `abort: Do not flush stdio streams [BZ #15436]' by Florian +// 91e7cf982d01 `abort: Do not flush stdio streams [BZ #15436]` by Florian // Weimer. According to glibc's NEWS: // // The abort function terminates the process immediately, without flushing |