sigprocmask

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Hash : e9d8c4f4
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Date : 2025-05-16T15:51:13

sigprocmask: Make multithread-safe on native Windows.

* lib/sigprocmask.c: Include glthread/lock.h.
(sig_lock): New variable.
(blocked_set): Remove 'volatile'.
(sigprocmask, _gl_raise_SIGPIPE): Use the sig_lock.
* modules/sigprocmask (Depends-on): Add lock.
* doc/posix-functions/sigprocmask.texi: Mention the async-safety issue.

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modules/sigprocmask

Description:
POSIX compatible signal blocking.

Files:
lib/sigprocmask.c
m4/signalblocking.m4

Depends-on:
signal-h
stdint-h        [test $HAVE_POSIX_SIGNALBLOCKING = 0]
lock            [test $HAVE_POSIX_SIGNALBLOCKING = 0]
raise           [test $HAVE_POSIX_SIGNALBLOCKING = 0]
msvc-inval      [test $HAVE_POSIX_SIGNALBLOCKING = 0]

configure.ac:
gl_SIGNALBLOCKING
gl_CONDITIONAL([GL_COND_OBJ_SIGPROCMASK], [test $HAVE_POSIX_SIGNALBLOCKING = 0])
AM_COND_IF([GL_COND_OBJ_SIGPROCMASK], [
  gl_PREREQ_SIGPROCMASK
])
gl_SIGNAL_MODULE_INDICATOR([sigprocmask])

Makefile.am:
if GL_COND_OBJ_SIGPROCMASK
lib_SOURCES += sigprocmask.c
endif

Include:
<signal.h>

License:
LGPLv2+

Maintainer:
all

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kc3-lang/gnulib/modules/sigprocmask

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modules/sigprocmask