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H. Peter Anvin (Intel) 5f138519eb termios: add new baud_t interface, defined to be explicitly numeric 
Add an explicitly numeric interface for baudrate setting. For glibc,
this only announces what is a fair accompli, but this is a plausible
way forward for standardization, and may be possible to infill on
non-compliant systems. The POSIX committee has stated:

[https://www.austingroupbugs.net/view.php?id=1916#c7135]

	A future version of this standard is expected to add at least
	the following symbolic constants for use as values of objects
	of type speed_t: B57600, B115200, B230400, B460800, and
	B921600.

	Implementations are encouraged to propose additional
	interfaces which will make it possible to set and query a
	wider range of speeds than just those enumerated by the
	constants beginning with B. If a set of common interfaces
	emerges between several implementations, a future version of
	this standard will likely add those interfaces.

This is exactly that interface.

The use of the term "baud" is due to the need to have a term
contrasting "speed", and it is already well established as a legacy
term -- including in the names of the legacy Bxxx
constants. Futhermore, it *is* valid from the point of view that the
termios interface fundamentally emulates an RS-232 serial port as far
as the application software is concerned.

The documentation states that for the current version of glibc,
speed_t == baud_t, but explicitly declares that this may not be the
case in the future.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 		2025-06-17 09:11:38 -03:00
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arpa Add _FORTIFY_SOURCE support for inet_pton 2025-03-24 14:43:03 -04:00
bits Add _FORTIFY_SOURCE support for inet_ntop 2025-03-21 09:35:42 +01:00
gnu Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
net
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netinet nss_files: Consolidate line parse declarations in <nss_files.h> 2020-07-21 07:33:20 +02:00
programs Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
protocols
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rpc Optimize __libc_tsd_* thread variable access 2025-05-16 19:53:09 +02:00
rpcsvc Remove --enable-obsolete-nsl configure flag 2020-07-08 17:25:57 +02:00
sys Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
aio.h Linux: Move aio_suspend, aio_suspend64, __aio_suspend_time64 to libc 2021-06-25 11:55:27 +02:00
aliases.h Move 'aliases' routines from 'inet' into 'nss' 2023-10-24 12:30:59 +02:00
alloc_buffer.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
alloca.h Remove macros extend_alloca, extend_alloca_account [BZ #18023] 2018-06-27 19:20:37 +02:00
allocate_once.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ar.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
argp-fmtstream.h
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argp.h ldbl-opt: Add argp_error and argp_failure (bug 23983) 2019-03-01 15:21:32 -03:00
argz.h Use libc_hidden_* for argz_next, __argz_next (bug 15105). 2018-02-15 21:00:02 +00:00
array_length.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
assert.h assert: Do not use stderr in libc-internal assert 2022-08-03 11:43:04 +02:00
atomic.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
atomic_wide_counter.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
byteswap.h
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clone_internal.h posix: Add pidfd_spawn and pidfd_spawnp (BZ 30349) 2023-09-05 13:08:59 -03:00
complex.h
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cpio.h
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ctype.h Use proper extern declaration for _nl_C_LC_CTYPE_{class,toupper,tolower} 2025-05-16 19:53:09 +02:00
des.h
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dirent.h Use 64 bit time_t stat internally 2021-06-22 12:09:52 -03:00
dlfcn.h elf: Do not add a copy of _dl_find_object to libc.so 2025-02-01 12:37:58 +01:00
dso_handle.h
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elf.h elf: Refuse to dlopen PIE objects [BZ #24323] 2019-06-18 16:42:10 +02:00
endian.h
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envz.h
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err.h ldbl-128ibm-compat: PLT redirects for using ldbl redirects internally 2020-03-25 14:34:23 -05:00
errno.h stdlib: Do not use GLIBC_PRIVATE ABI for errno in libc_nonshared.a 2024-09-06 14:07:00 +02:00
error.h Mark various cold functions as __COLD 2023-05-01 19:33:21 +02:00
execinfo.h
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fcntl.h Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251) 2018-06-26 13:22:53 -03:00
features-time64.h y2038: Add support for 64-bit time on legacy ABIs 2021-06-15 10:42:11 -03:00
features.h Bump version to 2.41 2025-01-28 18:25:13 +01:00
fenv.h Move fenv.h soft-float inlines from fenv_private.h to include/fenv.h. 2018-09-04 19:52:06 +00:00
file_change_detection.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
filename.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
float.h Make totalorder and totalordermag functions take pointer arguments. 2019-08-15 15:18:34 +00:00
fmtmsg.h
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fnmatch.h
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fpu_control.h Hide internal __setfpucw function [BZ #18822] 2017-10-01 17:52:15 -07:00
fstab.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
fts.h io: Add fts64 with 64-bit time_t support 2021-06-15 10:42:11 -03:00
ftw.h io: Add ftw64 with 64-bit time_t support 2021-06-15 10:42:11 -03:00
gconv.h
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getopt.h
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getopt_int.h
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glob.h Fix extra PLT reference in libc.so due to __glob64_time64 if build with gcc 7.5 on 32bit. 2021-07-01 16:46:59 +02:00
gmp.h Apply asm redirection in gmp.h before first use 2022-11-07 10:40:21 -03:00
gnu-versions.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
grp-merge.h Remove 'grp' and merge into 'nss' and 'posix' 2023-10-24 12:30:59 +02:00
grp.h Remove 'grp' and merge into 'nss' and 'posix' 2023-10-24 12:30:59 +02:00
gshadow.h Remove 'gshadow' and merge into 'nss' 2023-10-24 12:30:59 +02:00
iconv.h
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idx.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ifaddrs.h nscd: Do not rebuild getaddrinfo (bug 30709) 2023-08-11 10:10:16 +02:00
ifreq.h Hide internal __ifreq function [BZ #18822] 2017-10-01 17:35:46 -07:00
ifunc-impl-list.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inline-hashtab.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
intprops.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inttypes.h Make strtoimax, strtoumax, wcstoimax, wcstoumax into aliases 2020-12-08 18:15:27 +00:00
langinfo.h
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lastlog.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
libc-diag.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
libc-internal.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
libc-misc.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
libc-pointer-arith.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
libc-symbols.h Fix comment typo in libc-symbols.h 2025-05-27 11:34:14 +01:00
libgen.h
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libintl.h Document the internal _ and N_ macros 2020-05-06 17:35:40 +02:00
limits.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
link.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
list.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
list_t.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
locale.h
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loop_unroll.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
malloc.h Simplify __malloc_initialized 2021-07-22 18:38:04 +05:30
math-narrow-eval.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
math.h math: Remove __XXX math functions from installed math.h [BZ #32418] 2024-12-12 16:17:54 +08:00
mcheck.h mcheck: Wean away from malloc hooks [BZ #23489] 2021-07-22 18:38:02 +05:30
memory.h
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mntent.h Hide internal __hasmntopt function [BZ #18822] 2017-10-01 17:37:42 -07:00
monetary.h Rename __LONG_DOUBLE_USES_FLOAT128 to __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI 2020-04-30 08:52:08 -05:00
mqueue.h Linux: Move mq_send, mq_timedsend, __mq_timedsend_time64 to libc 2021-06-25 12:21:12 +02:00
netdb.h Move 'netgroup' routines from 'inet' into 'nss' 2023-10-24 12:30:59 +02:00
netgroup.h Move 'netgroup' routines from 'inet' into 'nss' 2023-10-24 12:30:59 +02:00
nl_types.h
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nss.h nss: Export nscd hash function as __nss_hash [BZ #22459] 2017-11-23 14:08:11 +01:00
nss_dns.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
nss_files.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
nsswitch.h
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obstack.h
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plural-exp.h Hide internal __gettextparse function [BZ #18822] 2017-10-01 17:31:05 -07:00
poll.h
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printf.h stdio-common: Convert vfprintf and related functions to buffers 2022-12-19 18:56:54 +01:00
printf_buffer.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
pthread.h Linux: Move mq_notify from librt to libc 2021-06-25 12:20:47 +02:00
pty.h login: Move libutil into libc 2021-06-30 08:43:37 +02:00
pwd.h Remove 'pwd' and merge into 'nss' 2023-10-24 12:30:59 +02:00
random-bits.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
re_comp.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
regex.h Fix regex type usage 2023-05-01 09:08:59 -04:00
regexp.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
register-atfork.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
resolv.h resolv: Add internal __res_binary_hnok function 2022-08-30 10:02:49 +02:00
rounding-mode.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
rtld-malloc.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
sched.h Add hidden prototypes for __sched_getparam, __sched_getscheduler 2020-02-20 08:57:01 +01:00
scratch_buffer.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
search.h misc: Add twalk_r function 2019-05-02 11:42:51 +02:00
set-freeres.h elf: Merge __dl_libc_freemem into __rtld_libc_freeres 2025-02-02 20:10:09 +01:00
setjmp.h chk: Add and fix hidden builtin definitions for *_chk 2023-08-03 22:46:48 +02:00
sgtty.h
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shadow.h Remove 'shadow' and merge into 'nss' 2023-10-24 12:30:59 +02:00
shlib-compat.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
shm-directory.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
signal.h stdio: Remove the usage of $(fno-unit-at-a-time) for siglist.c 2022-05-13 10:54:41 -03:00
spawn.h posix: Use posix_spawn for wordexp 2019-10-09 17:48:41 -03:00
stab.h
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stackinfo.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
stap-probe.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
stdbit.h Implement C23 <stdbit.h> 2024-01-03 12:07:14 +00:00
stdc-predef.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
stdint.h Move inttypes.h and stdint.h to stdlib. 2019-03-13 09:42:09 -04:00
stdio.h posix: Sync tempname with gnulib 2024-04-10 14:53:39 -03:00
stdio_ext.h
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stdlib.h debug: Improve '%n' fortify detection (BZ 30932) 2025-03-21 15:46:48 -03:00
string.h include/string.h: Also redirect calls if not inlined in libpthread 2025-01-07 20:53:18 +01:00
strings.h
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struct___timeb64.h time: Add 64-bit time_t support for ftime 2020-10-27 09:54:50 -03:00
struct___timespec64.h y2038: include: Move struct __timespec64 definition to a separate file 2020-04-06 23:05:11 +02:00
struct___timeval64.h y2038: include: Move struct __timeval64 definition to a separate file 2020-05-05 19:36:25 +02:00
stubs-prologue.h
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syscall.h
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sysexits.h
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syslog.h
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tar.h
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termios.h termios: add new baud_t interface, defined to be explicitly numeric 2025-06-17 09:11:38 -03:00
tgmath.h Don't use glibc <tgmath.h> when testing with Clang 2024-12-21 05:24:07 +08:00
time.h Define in_int32_t_range to check if the 64 bit time_t syscall should be used 2022-11-17 14:35:13 -03:00
ttyent.h
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uchar.h
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ucontext.h
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ulimit.h
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unistd.h io: replace local_isatty() with a proper function __isatty_nostatus() 2025-06-17 09:11:38 -03:00
unistd_ext.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
utime.h
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utmp.h login: Move libutil into libc 2021-06-30 08:43:37 +02:00
values.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
verify.h posix: Sync regex with gnulib 2019-11-06 09:20:52 -03:00
wait.h Add missing header wrappers under include/ 2019-02-16 08:25:16 +01:00
wchar.h Refer to C23 in place of C2X in glibc 2024-02-01 11:02:01 +00:00
wctype.h
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wordexp.h
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