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manual: Document setlogmask as MT-safe. 

setlogmask(3) was made MT-safe in glibc-2.33 with the fix for
bug 26100.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Carlos O'Donell 2025-02-13 14:27:55 -05:00
parent 0242c9f9e6
commit ad9c4c5361
1 changed files with 1 additions and 4 deletions
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5
manual/syslog.texi
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@ -498,10 +498,7 @@ The symbols referred to in this section are declared in the file
@deftypefun int setlogmask (int @var{mask}) @deftypefun int setlogmask (int @var{mask})
@standards{BSD, syslog.h} @standards{BSD, syslog.h}
@safety{@prelim{}@mtunsafe{@mtasurace{:LogMask}}@asunsafe{}@acsafe{}} @safety{@prelim{}@mtsafe{}@asunsafe{}@acsafe{}}
@c Read and modify are not guarded by syslog_lock, so concurrent changes
@c or even uses are undefined. This should use an atomic swap instead,
@c at least for modifications.
@code{setlogmask} sets a mask (the ``logmask'') that determines which @code{setlogmask} sets a mask (the ``logmask'') that determines which
future @code{syslog} calls shall be ignored. If a program has not future @code{syslog} calls shall be ignored. If a program has not