Update of /cvsroot/python/python/dist/src/Demo/threads
In directory usw-pr-cvs1:/tmp/cvs-serv26484
Modified Files:
find.py
Log Message:
Note lack of speedup. Remove Irix reference. Remove silly extra
'/tmp' arg. Change predicate to look for world-writable non-symlink
files.
Index: find.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Demo/threads/find.py,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** find.py 21 Jan 2001 07:06:51 -0000 1.6
--- find.py 18 Oct 2002 18:20:33 -0000 1.7
***************
*** 4,15 ****
# It really does do more stats/sec when using multiple threads,
# although the improvement is only about 20-30 percent.
# I'm too lazy to write a command line parser for the full find(1)
# command line syntax, so the predicate it searches for is wired-in,
# see function selector() below. (It currently searches for files with
! # group or world write permission.)
# Usage: parfind.py [-w nworkers] [directory] ...
! # Default nworkers is 4, maximum appears to be 8 (on Irix 4.0.2)
--- 4,17 ----
# It really does do more stats/sec when using multiple threads,
# although the improvement is only about 20-30 percent.
+ # (That was 8 years ago. In 2002, on Linux, I can't measure
+ # a speedup. :-( )
# I'm too lazy to write a command line parser for the full find(1)
# command line syntax, so the predicate it searches for is wired-in,
# see function selector() below. (It currently searches for files with
! # world write permission.)
# Usage: parfind.py [-w nworkers] [directory] ...
! # Default nworkers is 4
***************
*** 99,103 ****
def main():
- sys.argv.append("/tmp")
nworkers = 4
opts, args = getopt.getopt(sys.argv[1:], '-w:')
--- 101,104 ----
***************
*** 123,128 ****
def selector(dir, name, fullname, stat):
! # Look for group or world writable files
! return (stat[ST_MODE] & 0022) != 0
--- 124,129 ----
def selector(dir, name, fullname, stat):
! # Look for world writable files that are not symlinks
! return (stat[ST_MODE] & 0002) != 0 and not S_ISLNK(stat[ST_MODE])
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