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Close all pipes in pipetest.

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This commit is contained in:
Yifan Wu 2021-02-21 09:28:50 +08:00
parent 3559f26b37
commit c98c7c6558
1 changed files with 2 additions and 0 deletions
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2
user/src/bin/pipetest.rs
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@ -23,6 +23,8 @@ pub fn main() -> i32 {
close(pipe_fd[1]); close(pipe_fd[1]);
let mut buffer = [0u8; 32]; let mut buffer = [0u8; 32];
let len_read = read(pipe_fd[0], &mut buffer) as usize; let len_read = read(pipe_fd[0], &mut buffer) as usize;
// close read_end
close(pipe_fd[0]);
assert_eq!(core::str::from_utf8(&buffer[..len_read]).unwrap(), STR); assert_eq!(core::str::from_utf8(&buffer[..len_read]).unwrap(), STR);
println!("Read OK, child process exited!"); println!("Read OK, child process exited!");
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