constants: add O_NONBLOCK constant
It appears that it is defined unconditionally on all supported unixes.
fix #7867 #7855
Signed-off-by:
Trevor Norris <trev.norris@gmail.com>
parent
7cb38309
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It appears that it is defined unconditionally on all supported unixes.
fix #7867 #7855
Signed-off-by:
Trevor Norris <trev.norris@gmail.com>