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Incredibly enough, OpenBSD defines NSIG correctly, so our workaround
was not accurate.
Signed-off-by: Laurent Bercot <ska@appnovation.com>
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- Obsolete skalibs/environ.h and skalibs/getpeereid.h removed.
- rc4 and md5 removed.
- All *_t types renamed to avoid treading on POSIX namespace.
- subgetopt() renamed to lgetopt().
- signal functions reworked; skasigaction removed; sig_stack removed
- Various functions removed: skaoffsetof(), selfpipe_untrap()
- New posixplz function: munmap_void.
Signed-off-by: Laurent Bercot <ska@appnovation.com>
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This is arguably a bugfix, since selfpipe without signalfd
relies on signals being actually delivered, and a process may
have inherited a nonempty sigprocmask.
Also use SIG_BLOCK instead of SIG_SETMASK when using
selfpipe_trapset() with signalfd, because we shouldn't unblock
signals that may have previously been blocked. This is also
arguably a bugfix.
This commit is essential for using the version of s6-linux-init
that blocks SIGINT before disablecad on kernels without signalfd.
Without it, SIGINT never gets unblocked, so it's never delivered
to s6-svscan.
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accommodate OpenBSD snowflakiness
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chainsaw)
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libdatastruct still missing, library still not functional
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