New module sigaction, for mingw. * modules/sigaction: New module... * modules/sigaction-tests: ...and its test. * m4/sigaction.m4: New file. * lib/sigaction.c: Likewise. * tests/test-sigaction.c: Likewise. * m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Add sigaction variables. * modules/signal (Makefile.am): Likewise. * lib/signal.in.h (!@HAVE_SIGACTION@): Define replacements when needed. * doc/posix-headers/signal.texi (signal.h): Mention provided types. * doc/posix-functions/siginterrupt.texi (siginterrupt): Mention that sigaction is preferable. * doc/posix-functions/sigaction.texi (sigaction): Mention new module. * MODULES.html.sh (Support for systems lacking POSIX:2001): Add sigaction. Signed-off-by: Eric Blake <ebb9@byu.net>

Description:
POSIX compatible signal handlers.

Files:
lib/sigaction.c
m4/sigaction.m4

Depends-on:
signal
sigprocmask

configure.ac:
gl_SIGACTION
gl_SIGNAL_MODULE_INDICATOR([sigaction])

Makefile.am:

Include:
<signal.h>

License:
LGPL

Maintainer:
Eric Blake