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unistd: Add pause(2) #336

Merged
merged 2 commits into from
Mar 30, 2016
Merged

unistd: Add pause(2) #336

merged 2 commits into from
Mar 30, 2016

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kamalmarhubi
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@kamalmarhubi
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This one is weird because if it ever returns, the return value will be Err(EINTR).

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RETURN VALUE

Since pause() suspends thread execution indefinitely unless interrupted by a signal, there is no successful completion return value. A value of -1 is returned and errno is set to indicate the error.

ERRORS

The pause() function will fail if:

[EINTR]
A signal is caught by the calling process and control is returned from the signal-catching function.

―http://pubs.opengroup.org/onlinepubs/007908799/xsh/pause.html

@kamalmarhubi
Use pause(2) in test_wait_signal
507dfaf 
Replace a busy loop with a call to `pause(2)`.
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fiveop commented Mar 30, 2016

@homu r+

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homu commented Mar 30, 2016

📌 Commit 507dfaf has been approved by fiveop

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homu commented Mar 30, 2016

⚡ Test exempted - status

@homu homu merged commit 507dfaf into nix-rust:master Mar 30, 2016
homu added a commit that referenced this pull request Mar 30, 2016
@homu
Auto merge of #336 - kamalmarhubi:pause, r=fiveop
a09d07b 
unistd: Add pause(2)
@homu homu mentioned this pull request Mar 30, 2016
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@kamalmarhubi @fiveop @homu