Branch: refs/heads/master
Home: https://github.com/LinuxCNC/linuxcnc
Commit: ad8aed4afb3ae567a91c30e257c9645617553d5a
https://github.com/LinuxCNC/linuxcnc/commit/ad8aed4afb3ae567a91c30e257c9645617553d5a
Author: yurc <yu...@gm...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M src/hal/hal_lib.c
Log Message:
-----------
hal: hal_strerror(): texts for -EALREADY and -EBUSY
hal_init_funct_to_thread() and hal_del_init_funct_from_thread() return
-EALREADY once the init cycle has run, and funct_entry_release() returns
-EBUSY when a function is removed from a running thread in RTAPI. Callers
that report errors through hal_strerror() got "unknown error" for both.
Signed-off-by: yurc <yu...@gm...>
Commit: c515a1b0bb8c3ae3b2ca32e4104912cea3333ac2
https://github.com/LinuxCNC/linuxcnc/commit/c515a1b0bb8c3ae3b2ca32e4104912cea3333ac2
Author: yurc <yu...@gm...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M src/hal/utils/halcmd_commands.cc
Log Message:
-----------
halcmd: unloadrt init entry error text from hal_strerror()
The message used strerror() because hal_strerror() had no text for
-EALREADY ("Operation already in progress" for an init cycle that has
already run).
Signed-off-by: yurc <yu...@gm...>
Commit: 772d526e63ae710f1c2253c956096ae821c7a38d
https://github.com/LinuxCNC/linuxcnc/commit/772d526e63ae710f1c2253c956096ae821c7a38d
Author: yurc <yu...@gm...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M docs/src/man/man3/rtapi_delay.3.adoc
M include/rtapi.h
Log Message:
-----------
rtapi: rtapi_delay() sleeps except in RTAI kernel modules
rtapi.h and rtapi_delay(3) say it simply loops, wasting CPU cycles, and
rtapi.h says user processes may not call it. Only RTAI kernel modules
busy-wait (rt_busy_sleep()). uspace realtime modules sleep through the
backend (clock_nanosleep() on POSIX and Xenomai, evl_sleep_until() on
EVL, rt_sleep() on RTAI), and user processes have rtapi_delay() too and
sleep with clock_nanosleep() (hal_lib uses it in ULAPI).
Signed-off-by: yurc <yu...@gm...>
Commit: 005609a05ec47d043c96b22978641fce99884e2b
https://github.com/LinuxCNC/linuxcnc/commit/005609a05ec47d043c96b22978641fce99884e2b
Author: yurc <yu...@gm...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M docs/src/man/man3/rtapi_delay.3.adoc
Log Message:
-----------
docs: rtapi_delay(3): discourage calls from realtime tasks
Except in RTAI kernel modules rtapi_delay() sleeps, so a realtime task
may wake up considerably later than requested and lose its timing.
Keep init/cleanup code as the supported use.
Signed-off-by: yurc <yu...@gm...>
Commit: b26462f5fc4989aa70dedd7346cc4519f8178655
https://github.com/LinuxCNC/linuxcnc/commit/b26462f5fc4989aa70dedd7346cc4519f8178655
Author: yurc <yu...@gm...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M docs/src/man/man3/rtapi_delay.3.adoc
M include/rtapi.h
Log Message:
-----------
docs: rtapi_delay_max(): the value is implementation dependent
1/4 of the clock period holds only for RTAI kernel modules
(rtai_rtapi.c). uspace realtime modules return a fixed 10000 ns
(uspace_rtapi_main.cc), user processes 999999999 ns (uspace_ulapi.c,
rtai_ulapi.c).
Signed-off-by: yurc <yu...@gm...>
Commit: b99baf8e3904106a9feb719ab96076b6b296944e
https://github.com/LinuxCNC/linuxcnc/commit/b99baf8e3904106a9feb719ab96076b6b296944e
Author: Luca Toniolo <107...@us...>
Date: 2026-10-15 (Thu, 15 Oct 2026)
Changed paths:
M docs/src/man/man3/rtapi_delay.3.adoc
M include/rtapi.h
M src/hal/hal_lib.c
M src/hal/utils/halcmd_commands.cc
Log Message:
-----------
Merge pull request #4681 from SyncTwin/synctwin/hal-strerror-ealready
hal: hal_strerror() texts for -EALREADY/-EBUSY; rtapi_delay() doc
Compare: https://github.com/LinuxCNC/linuxcnc/compare/003caba72a92...b99baf8e3904
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