On Sat, 14 Aug 2010, Julian H. Stacey wrote:
why would you want to lock a file for reading anyways?
Does current bsdgrep read lock by default ?
If so, it would be better off by default, enabled by an option.
8.0-RELEASE man grep (gnu) does not mention locking.
bsdgrep in -current does lock via the call to fgetc(). That is why I
suggested using flockfile/getchar_unlocked+/funlockfile instead. Other
unlocked functions would also be useful, i.e., feof_unlocked().
Avoiding fgetc() does not completely solve the speed issue, yet it
certainly helps.
Just for reference: older bsdgrep used fgetln().
Sean
--
s...@freebsd.org
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