Fix fcntl_setpipe_size
return value
#1164
Merged
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fcntl
man page says that:But the current
fcntl_setpipe_size
function assumes that the return value is 0 (success) or negative (failure). This makes the function panic due todebug_assert!
in debug mode, and it returnsErr
on success in release mode.This commit fixes the return value type and its checking, and adds a test for it.
Closes #1163