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This is a straight port of @abbradar's work in #276, with two (somewhat weak) tests and a bit of documentation.
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Original file line number | Diff line number | Diff line change |
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use nix::sys::select::*; | ||
use nix::unistd::{pipe, write}; | ||
use nix::sys::signal::SigSet; | ||
use nix::sys::time::{TimeSpec, TimeValLike}; | ||
use std::os::unix::io::RawFd; | ||
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||
#[test] | ||
pub fn test_pselect() { | ||
let _mtx = ::SIGNAL_MTX | ||
.lock() | ||
.expect("Mutex got poisoned by another test"); | ||
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||
let (r1, w1) = pipe().unwrap(); | ||
write(w1, b"hi!").unwrap(); | ||
let (r2, _w2) = pipe().unwrap(); | ||
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let mut fd_set = FdSet::new(); | ||
fd_set.insert(r1); | ||
fd_set.insert(r2); | ||
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let timeout = TimeSpec::seconds(10); | ||
let sigmask = SigSet::empty(); | ||
assert_eq!( | ||
1, | ||
pselect(None, &mut fd_set, None, None, &timeout, &sigmask).unwrap() | ||
); | ||
assert!(fd_set.contains(r1)); | ||
assert!(!fd_set.contains(r2)); | ||
} | ||
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||
#[test] | ||
pub fn test_pselect_nfds2() { | ||
let (r1, w1) = pipe().unwrap(); | ||
write(w1, b"hi!").unwrap(); | ||
let (r2, _w2) = pipe().unwrap(); | ||
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||
let mut fd_set = FdSet::new(); | ||
fd_set.insert(r1); | ||
fd_set.insert(r2); | ||
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||
let timeout = TimeSpec::seconds(10); | ||
assert_eq!( | ||
1, | ||
pselect( | ||
::std::cmp::max(r1, r2) + 1, | ||
&mut fd_set, | ||
None, | ||
None, | ||
&timeout, | ||
None | ||
).unwrap() | ||
); | ||
assert!(fd_set.contains(r1)); | ||
assert!(!fd_set.contains(r2)); | ||
} |