8000 pgrep: use safe wrappers for libc functions by eduardorittner · Pull Request #412 · uutils/procps · GitHub
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pgrep: use safe wrappers for libc functions #412

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pgrep: use safe wrappers for libc functions #412

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eduardorittner
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Since uutils/coreutils#7676 was merged in uucore, there are now safe wrappers for getpgrp and getsid so we use them. Pgrep is the only place they are used in procps.

@eduardorittner
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Note that I also found this implementation of getsid which can probably be removed since it's pretty much identical to uucore's getsid, they only change in that this returns an Option<i32> and uucore's returns Result<pid_t, Errno>

procps/src/uu/ps/src/collector.rs

Lines 15 to 24 in 6a163ad

fn getsid(pid: i32) -> Option<i32> {
unsafe {
let result = libc::getsid(pid);
if Errno::last() == Errno::UnknownErrno {
Some(result)
} else {
None
}
}
}

@cakebaker
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To make this work there has to be a new coreutils release first :|

@eduardorittner
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To make this work there has to be a new coreutils release first :|

Oh ok! Sorry I saw that coreutil's latest commit is at version "0.30.0" and that procps is also using the "0.30.0" version so I thought that wasn't needed. When that happens I'll come back to this then, in the meantime do you prefer if I leave this PR open or closed?

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You can leave it open.

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@eduardorittner @cakebaker
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