Date: Tue, 23 Nov 1999 22:59:16 -0700 From: Wes Peters <wes@softweyr.com> To: freebsd-arch@freebsd.org Subject: Reentrant library to-do list Message-ID: <383B7EB4.6497E65@softweyr.com>
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Pedro Giffuni called me on some belated deliveries on my work on the _r
routines this afternoon. ;^)
In the ensuing pleasant conversation, I sent him my to-do list and he
suggested it would be a good idea to share it here. I snarfed a list of
all the _r routines from a recent Solaris release, then categorized them
in categories of "I need it now", "Lord, spare me", etc. Here's the list,
including what I've already done:
Already done:
x asctime_r ctime (3c) - convert date and time to string
x ctime_r ctime (3c) - convert date and time to string
x gmtime_r ctime (3c) - convert date and time to string
x localtime_r ctime (3c) - convert date and time to string
x strtok_r string (3c) - string operations
x tmpnam_r tmpnam (3s) - create a name for a temporary file
x rand_r rand (3c) - simple random-number generator
Relatively simple:
gamma_r lgamma (3m) - log gamma function
lgamma_r lgamma (3m) - log gamma function
(IIRC, these are already *in* the library, and I have man pages ready on
a system that is currently stuffed in a closet. Ignore these unless you
really need them NOW).
ctermid_r ctermid (3s) - generate path name for controlling terminal
ttyname_r ttyname (3c) - find name of a terminal
Probably simple:
readdir_r directory (3c) - directory operations
gethostbyaddr_r gethostbyname (3n) - get network host entry
gethostbyname_r gethostbyname (3n) - get network host entry
gethostent_r gethostbyname (3n) - get network host entry
getnetbyaddr_r getnetbyname (3n) - get network entry
getnetbyname_r getnetbyname (3n) - get network entry
getnetent_r getnetbyname (3n) - get network entry
getnetgrent_r getnetgrent (3n) - get network group entry
getprotobyname_r getprotobyname (3n) - get protocol entry
getprotobynumber_r getprotobyname (3n) - get protocol entry
getprotoent_r getprotobyname (3n) - get protocol entry
getrpcbyname_r getrpcbyname (3n) - get RPC entry
getrpcbynumber_r getrpcbyname (3n) - get RPC entry
getrpcent_r getrpcbyname (3n) - get RPC entry
getservbyname_r getservbyname (3n) - get service entry
getservbyport_r getservbyname (3n) - get service entry
getservent_r getservbyname (3n) - get service entry
fgetgrent_r getgrnam (3c) - get group entry
getgrent_r getgrnam (3c) - get group entry
getgrgid_r getgrnam (3c) - get group entry
getgrnam_r getgrnam (3c) - get group entry
getlogin_r getlogin (3c) - get login name
This one looked so simple, I did it tonight just to prove I still
can. I'll test it tomorrow and commit it then. ;^)
Difficult due to non-reentrant dbm library:
fgetpwent_r getpwnam (3c) - get password entry
fgetspent_r getspnam (3c) - get password entry
getspent_r getspnam (3c) - get password entry
getspnam_r getspnam (3c) - get password entry
getpwent_r getpwnam (3c) - get password entry
getpwnam_r getpwnam (3c) - get password entry
getpwuid_r getpwnam (3c) - get password entry
I think we can probably take care of these by using a semaphore to
serialize access to the password db. I haven't looked into it at all;
I've been putting this off until the last because it's the messiest.
Of course, it's usually the one that comes up first, too.
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
wes@softweyr.com http://softweyr.com/
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