svn rev #20341: trunk/src/util/profile/

[lxs@MIT.EDU]

Commit By: lxs
Log Message: 
ticket: new
subject: Profile library should not call rw_access earlier than needed

Call rw_access lazily so we only call access just before we need to 
write to the file to avoid calling access as often.  Deprecated bit in
profile structures to track writability.



Changed Files:
U   trunk/src/util/profile/prof_file.c
U   trunk/src/util/profile/prof_init.c
U   trunk/src/util/profile/prof_int.h