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Re: [PATCH 1/4] terminal: use flags for save_term()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Mar 7, 2022, 12:06 UTC
Message-ID
<220307.86ee3e0xv6.gmgdl@evledraar.gmail.com>
In-Reply-To
<1351bb93-673e-817f-6911-d321217032ce@gmail.com>
On Mon, Mar 07 2022, Phillip Wood wrote:
Show 49 quoted lines
> On 05/03/2022 14:02, Ævar Arnfjörð Bjarmason wrote:
>> On Fri, Mar 04 2022, Phillip Wood wrote:
>> 
>>> From: Phillip Wood <phillip.wood@dunelm.org.uk>
>>>
>>> The next commit will add another flag in addition to the existing
>>> full_duplex so change the function signature to take an unsigned flags
>>> argument. Also alter the functions that call save_term() so that they
>>> can pass flags down to it.
>>>
>>> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
>>> ---
>>>   compat/terminal.c | 41 +++++++++++++++++++++--------------------
>>>   compat/terminal.h |  5 ++++-
>>>   2 files changed, 25 insertions(+), 21 deletions(-)
>>>
>>> diff --git a/compat/terminal.c b/compat/terminal.c
>>> index d882dfa06e..bad8e04cd8 100644
>>> --- a/compat/terminal.c
>>> +++ b/compat/terminal.c
>>> @@ -34,7 +34,7 @@ void restore_term(void)
>>>   	sigchain_pop_common();
>>>   }
>>>   -int save_term(int full_duplex)
>>> +int save_term(unsigned flags)
>> Doing e.g.  ...
>> 
>>>   void restore_term(void)
>>> diff --git a/compat/terminal.h b/compat/terminal.h
>>> index 0fb9fa147c..f24b91390d 100644
>>> --- a/compat/terminal.h
>>> +++ b/compat/terminal.h
>>> @@ -1,14 +1,17 @@
>>>   #ifndef COMPAT_TERMINAL_H
>>>   #define COMPAT_TERMINAL_H
>>>   +/* Save input and output settings */
>>> +#define SAVE_TERM_DUPLEX (1u << 0)
>> 	
>> 	enum save_terminal_flags {
>> 		SAVE_TERMINAL_FLAGS = 1 << 0,
>> 	};
>> 	
>> Here would be better IMO. See 3f9ab7ccdea (parse-options.[ch]:
>> consistently use "enum parse_opt_flags", 2021-10-08) for how it makes
>> debugging better.
>
> I'd remembered Junio objecting to enums for bit flags in the
> discussion of that patch but looking at the whole thread it seems like
> the debugger support lead him to change his mind. I'll update.

Yeah, aside from that I think part of that was whether it was worth it to refactor it for existing code, but since this is new code & we tend to use that pattern liberally (which pre-dates any recent changes I did by quite a bit...), ....

Previous: Phillip WoodNext: Phillip Wood
Message 9 of 53 in “builtin add -p: hopefully final readkey fixes”
  1. 0/4 builtin add -p: hopefully final readkey fixesPhillip Wood, Mar 4, 2022
  2. 1/4 terminal: use flags for save_term()Phillip Wood, Mar 4, 2022
  3. Ramsay JonesMar 4, 2022
  4. Phillip WoodMar 7, 2022
  5. Ramsay JonesMar 7, 2022
  6. Phillip WoodMar 8, 2022
  7. Ævar Arnfjörð BjarmasonMar 5, 2022
  8. Phillip WoodMar 7, 2022
  9. Ævar Arnfjörð BjarmasonMar 7, 2022
  10. 3/4 terminal: work around macos poll() bugPhillip Wood, Mar 4, 2022
  11. 2/4 terminal: don't assume stdin is /dev/ttyPhillip Wood, Mar 4, 2022
  12. Ramsay JonesMar 4, 2022
  13. 4/4 terminal: restore settings on SIGTSTPPhillip Wood, Mar 4, 2022
  14. Ævar Arnfjörð BjarmasonMar 5, 2022
  15. Phillip WoodMar 7, 2022
  16. Ævar Arnfjörð BjarmasonMar 7, 2022
  17. Phillip WoodMar 7, 2022
  18. Ævar Arnfjörð BjarmasonMar 7, 2022
  19. Phillip WoodMar 8, 2022
  20. Johannes SchindelinMar 9, 2022
  21. Phillip WoodMar 10, 2022
  22. 0/4 builtin add -p: hopefully final readkey fixesPhillip Wood, Mar 9, 2022
  23. 1/4 terminal: use flags for save_term()Phillip Wood, Mar 9, 2022
  24. Carlo ArenasMar 11, 2022
  25. Phillip WoodMar 14, 2022
  26. 2/4 terminal: don't assume stdin is /dev/ttyPhillip Wood, Mar 9, 2022
  27. 3/4 terminal: work around macos poll() bugPhillip Wood, Mar 9, 2022
  28. Ævar Arnfjörð BjarmasonMar 10, 2022
  29. Phillip WoodMar 10, 2022
  30. Junio C HamanoMar 10, 2022
  31. 4/4 terminal: restore settings on SIGTSTPPhillip Wood, Mar 9, 2022
  32. Junio C HamanoMar 9, 2022
  33. Junio C HamanoMar 9, 2022
  34. Phillip WoodMar 10, 2022
  35. Phillip WoodMar 10, 2022
  36. Junio C HamanoMar 10, 2022
  37. Johannes SchindelinMar 10, 2022
  38. Phillip WoodMar 10, 2022
  39. 0/4 builtin add -p: hopefully final readkey fixesPhillip Wood, Mar 15, 2022
  40. 2/4 terminal: don't assume stdin is /dev/ttyPhillip Wood, Mar 15, 2022
  41. Junio C HamanoMar 15, 2022
  42. rsbecker@nexbridge.comMar 15, 2022
  43. Junio C HamanoMar 15, 2022
  44. rsbecker@nexbridge.comMar 15, 2022
  45. 1/4 terminal: use flags for save_term()Phillip Wood, Mar 15, 2022
  46. 4/4 terminal: restore settings on SIGTSTPPhillip Wood, Mar 15, 2022
  47. Junio C HamanoMar 15, 2022
  48. 3/4 terminal: work around macos poll() bugPhillip Wood, Mar 15, 2022
  49. 0/4 builtin add -p: hopefully final readkey fixesPhillip Wood, Mar 16, 2022
  50. 1/4 terminal: use flags for save_term()Phillip Wood, Mar 16, 2022
  51. 2/4 terminal: don't assume stdin is /dev/ttyPhillip Wood, Mar 16, 2022
  52. 3/4 terminal: work around macos poll() bugPhillip Wood, Mar 16, 2022
  53. 4/4 terminal: restore settings on SIGTSTPPhillip Wood, Mar 16, 2022

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