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authorDan McGee <dan@archlinux.org>2008-06-15 19:15:36 -0500
committerDan McGee <dan@archlinux.org>2008-06-15 22:52:27 -0500
commit29bf6814f74096e5d8ea22058e638eb362717b8a (patch)
tree1b608ba8071c1c7e52808a4b178ba8225ef6d2b1 /doc
parent7ff5a917fd0a91cd03ba61419a57053e4ae17e92 (diff)
downloadpacman-29bf6814f74096e5d8ea22058e638eb362717b8a.tar.xz
Use access() instead of stat() when possible
We were using the stat() system call in quite a few places when we didn't actually need anything the stat struct returned- we were simply checking for file existence. access() will be more efficient in those cases. Before (strace pacman -Ss pacman): % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 33.16 0.005987 0 19016 stat64 After: % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 34.85 0.003863 0 12633 1 access 7.95 0.000881 0 6391 7 stat64 Signed-off-by: Dan McGee <dan@archlinux.org>
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