Add CLOCK_PROCESS_CPUTIME_ID and CLOCK_THREAD_CPUTIME_ID constants

[0323pin]

cpu-time, /~https://github.com/tailhook/cpu-time fails to compile because it misses these constants.

error[E0432]: unresolved imports `libc::CLOCK_PROCESS_CPUTIME_ID`, `libc::CLOCK_THREAD_CPUTIME_ID`
 --> src/clock_gettime.rs:7:12
  |
7 | use libc::{CLOCK_PROCESS_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID};
  |            ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
  |            |                         |
  |            |                         no `CLOCK_THREAD_CPUTIME_ID` in the root
  |            |                         help: a similar name exists in the module: `_SC_THREAD_CPUTIME`
  |            no `CLOCK_PROCESS_CPUTIME_ID` in the root

For more information about this error, try `rustc --explain E0432`.
error: could not compile `cpu-time` (lib) due to 1 previous error
*** Error code 101

With this PR included cpu-time builds successfully,

Building for cpu-time-1.0.0
     Locking 5 packages to latest compatible versions
   Compiling libc v0.2.158
   Compiling cpu-time v1.0.0 (/usr/pkgsrc/wip/cpu-time/work/cpu-time-1.0.0)
    Finished `release` profile [optimized] target(s) in 3.56s

Please consider adding these.

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[devnexen]

I think your PR deserves the label stable-nominated (which you can add yourself I believe).

[0323pin]

@devnexen It doesn't look like I can do it but, I might be wrong.

I was hoping this would get merged soon, since I have another unrelated addition locally.

[devnexen]

That s fine the merger might do it then. The goal is your changes being backported to the libc-0.2 branch so it lands for the next 0.2.* release.

[0323pin]

That s fine the merger might do it then. The goal is your changes being backported to the libc-0.2 branch so it lands for the next 0.2.* release.

That would be great. This is also the case with the one I have in the pipeline. Another missing definition on NetBSD.

[devnexen]

sorry I forgot about this ! but you need to type the rustbot command label stable-nominated to add the label like here.

[0323pin]

@rustbot label stable-nominated

[0323pin]

sorry I forgot about this ! but you need to type the rustbot command label stable-nominated to add the label like here.

Ahh ... thanks! That worked :)