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maint: revert “avoid pthread_sigmask lock”

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* configure.ac (GNULIB_SIGACTION_SINGLE_THREAD): Remove.
This never worked (it was a misspelling) and the properly-spelled
identifier (whose spelling has since been renamed) is useful
mostly for programs like gzip that do not need Gnulib’s ‘lock’ module.
For coreutils, which needs ‘lock’ for other reasons, it’s overkill.

maint: avoid pthread_sigmask lock overhead
This matters only for MS-Windows.
* configure.ac (GNULIB_PTHREAD_SIGMASK_SINGLE_THREAD):
Define this instead of defining GNULIB_SIGACTION_SINGLE_THREAD.
The latter was a typo, and Gnulib has evolved anyway.
This commit is contained in:
Paul Eggert
2026-04-06 11:12:46 -07:00
parent cff1fa2239
commit f48cc50f7a
1 changed files with 0 additions and 2 deletions
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configure.ac
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@@ -69,8 +69,6 @@ AC_DEFINE([GNULIB_EXCLUDE_SINGLE_THREAD], [1],
[Define to 1 if apps call 'exclude' functions from a single thread.])
AC_DEFINE([GNULIB_REGEX_SINGLE_THREAD], [1],
[Define to 1 if apps call 'regex' functions from a single thread.])
AC_DEFINE([GNULIB_SIGACTION_SINGLE_THREAD], [1],
[Define to 1 if programs call 'sigaction' functions from a single thread.])
# Although 'sort' is multithreaded and can use these functions,
# it uses them only from the main thread.
AC_DEFINE([GNULIB_MBRTOWC_SINGLE_THREAD], [1],