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Update.
1998-12-05 Ulrich Drepper <drepper@cygnus.com> * sysdeps/gnu/bits/utmp.h: Rename struct exit_status to __exit_status. (struct __exit_status): Define members without leading __ only for __USE_GNU. * sysdeps/gnu/bits/utmpx.h (struct __exit_status): Define members without leading __ only for __USE_GNU.
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Ulrich Drepper
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10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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1998-12-05 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/gnu/bits/utmp.h: Rename struct exit_status to
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__exit_status.
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(struct __exit_status): Define members without leading __ only for
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__USE_GNU.
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* sysdeps/gnu/bits/utmpx.h (struct __exit_status): Define members
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without leading __ only for __USE_GNU.
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1998-12-04 Ulrich Drepper <drepper@cygnus.com>
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* argp/argp.h: Add __retrict.
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38
PROJECTS
38
PROJECTS
@ -1,6 +1,6 @@
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Open jobs for finishing GNU libc:
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---------------------------------
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Status: November 1998
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Status: December 1998
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If you have time and talent to take over any of the jobs below please
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contact <bug-glibc@gnu.org>.
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@ -102,6 +102,7 @@ contact <bug-glibc@gnu.org>.
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Blargh!
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[16] The libio stream file functions should be extended in a way to use
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mmap to map the file and use it as the buffer to user sees. For
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read-only streams this should be rather easy and it avoids all read()
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@ -113,24 +114,44 @@ contact <bug-glibc@gnu.org>.
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to the page size and install the correct length only for fclose() and
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fflush() calls.
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[18] Based on the sprof program we need tools to analyze the output. The
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result should be a link map which specifies in which order the .o
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files are placed in the shared object. This should help to improve
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code locality and result in a smaller foorprint (in code and data
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memory) since less pages are only used in small parts.
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[19] A user-level STREAMS implementation should be available if the
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kernel does not provide the support.
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[20] More conversion modules for iconv(3). Existing modules should be
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extended to do things like transliteration if this is wanted.
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For often used conversion a direct conversion function should be
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available.
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[21] The nscd program and the stubs in the libc should be changed so
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that each program uses only one socket connect. Take a look at
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http://www.cygnus.com/~drepper/nscd.html
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An alternative approach is to use an mmap()ed file. The idea is
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the following:
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- the nscd creates the hash tables and the information it stores
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in it in a mmap()ed region. This means no pointers must be
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used, only offsets.
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- each program using NSS functionality tries to open the file
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with the data.
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- by checking some timestamp (which the nscd renew frequently)
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the programs can test whether the file is still valid
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- if the file is valid look through the nscd and locate the
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appropriate hash table for the database and lookup the data.
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If it is included we are set.
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- if the data is not yet in the database we contact the nscd using
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the currently implemented methods.
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[22] It should be possible to have the information gconv-modules in
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a simple database which is faster to access. Using libdb is probably
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overkill and loading it would probably be slower than reading the
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@ -140,7 +161,7 @@ contact <bug-glibc@gnu.org>.
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should start similar to this:
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if (stat ("gconv-modules", &stp) == 0
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&& stat ("gconv-modules.db", %std) == 0
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&& stat ("gconv-modules.db", &std) == 0
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&& stp.st_mtime < std.st_mtime)
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{
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... use the database ...
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@ -150,6 +171,7 @@ contact <bug-glibc@gnu.org>.
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... use the plain file if it exists, otherwise the db ...
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}
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[23] The `strptime' function needs to be completed. This includes among
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other things that it must get teached about timezones. The solution
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envisioned is to extract the timezones from the ADO timezone
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@ -160,5 +182,13 @@ contact <bug-glibc@gnu.org>.
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Standard Time' if the current TZ variable is set to, say,
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Australia/Canberra or if the current locale is en_AU.
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[24] Allow add-ons to specify dependencies and generate the content of
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`all-subdirs' in Makeconfig dynamically.
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[25] Sun's nscd version implements a feature where the nscd keeps N entries
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for each database current. I.e., if an entries lifespan is over and
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it is one of the N entries to be kept the nscd updates the information
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instead of removing the entry.
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How to decide about which N entries to keep has to be examined.
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Factors should be number of uses (of course), influenced by aging.
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Just imagine a computer used by several people. The IDs of the current
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user should be preferred even if the last user spent more time.
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@ -1,5 +1,5 @@
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/* The `struct utmp' type, describing entries in the utmp file. GNU version.
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Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
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Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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@ -42,29 +42,34 @@ struct lastlog
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/* The structure describing the status of a terminated process. This
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type is used in `struct utmp' below. */
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struct exit_status
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struct __exit_status
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{
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#ifdef __USE_GNU
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short int e_termination; /* Process termination status. */
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short int e_exit; /* Process exit status. */
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#else
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short int __e_termination; /* Process termination status. */
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short int __e_exit; /* Process exit status. */
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#endif
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};
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/* The structure describing an entry in the user accounting database. */
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struct utmp
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{
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short int ut_type; /* Type of login. */
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pid_t ut_pid; /* Process ID of login process. */
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char ut_line[UT_LINESIZE]; /* Devicename. */
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char ut_id[4]; /* Inittab ID. */
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char ut_user[UT_NAMESIZE]; /* Username. */
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char ut_host[UT_HOSTSIZE]; /* Hostname for remote login. */
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struct exit_status ut_exit; /* Exit status of a process marked
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{
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short int ut_type; /* Type of login. */
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pid_t ut_pid; /* Process ID of login process. */
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char ut_line[UT_LINESIZE]; /* Devicename. */
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char ut_id[4]; /* Inittab ID. */
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char ut_user[UT_NAMESIZE]; /* Username. */
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char ut_host[UT_HOSTSIZE]; /* Hostname for remote login. */
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struct __exit_status ut_exit; /* Exit status of a process marked
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as DEAD_PROCESS. */
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long ut_session; /* Session ID, used for windowing. */
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struct timeval ut_tv; /* Time entry was made. */
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int32_t ut_addr_v6[4]; /* Internet address of remote host. */
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char __unused[20]; /* Reserved for future use. */
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};
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long int ut_session; /* Session ID, used for windowing. */
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struct timeval ut_tv; /* Time entry was made. */
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int32_t ut_addr_v6[4]; /* Internet address of remote host. */
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char __unused[20]; /* Reserved for future use. */
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};
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/* Backwards compatibility hacks. */
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#define ut_name ut_user
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@ -40,8 +40,13 @@
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type is used in `struct utmpx' below. */
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struct __exit_status
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{
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#ifdef __USE_GNU
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short int e_termination; /* Process termination status. */
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short int e_exit; /* Process exit status. */
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#else
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short int __e_termination; /* Process termination status. */
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short int __e_exit; /* Process exit status. */
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#endif
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};
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