CVS log for src/common/lib/libc/atomic/atomic_is_lock_free.c

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Pull up following revision(s) (requested by rin in ticket #496):

	common/lib/libc/atomic/atomic_is_lock_free.c: revision 1.2
	common/lib/libc/atomic/atomic_is_lock_free.c: revision 1.3

libc __atomic_is_lock_free: Fix clang build with symbol hacks.

libc atomic: Make previous work a little less accidentally.

Pull up following revision(s) (requested by riastradh in ticket #275):

	common/lib/libc/arch/sparc/atomic/Makefile.inc: revision 1.24
	common/lib/libc/arch/m68k/atomic/Makefile.inc: revision 1.16
	common/lib/libc/arch/mips/atomic/Makefile.inc: revision 1.16
	common/lib/libc/arch/hppa/atomic/Makefile.inc: revision 1.15
	common/lib/libc/arch/vax/atomic/Makefile.inc: revision 1.9
	common/lib/libc/atomic/atomic_is_lock_free.c: revision 1.1
	common/lib/libc/arch/sh3/atomic/Makefile.inc: revision 1.9

libc: Define __atomic_is_lock_free.

Limited to architectures where it is actually needed by gcc for any
calls to stdatomic.h atomic_is_lock_free for now.

We should also add it to other architectures too, along with lockful
atomic r/m/w operations for sizes that can't be handled natively, but
that's a lot more work.  It is also necessary for -fno-inline-atomics
but we're missing a lot of other symbols for that too, to be fixed.

For now, this should enable the OpenSSL build to complete on these
architectures again after I reverted a local change.

file atomic_is_lock_free.c was added on branch netbsd-10 on 2023-07-31 16:10:26 +0000

libc atomic: Make previous work a little less accidentally.

libc __atomic_is_lock_free: Fix clang build with symbol hacks.

libc: Define __atomic_is_lock_free.

Limited to architectures where it is actually needed by gcc for any
calls to stdatomic.h atomic_is_lock_free for now.

We should also add it to other architectures too, along with lockful
atomic r/m/w operations for sizes that can't be handled natively, but
that's a lot more work.  It is also necessary for -fno-inline-atomics
but we're missing a lot of other symbols for that too, to be fixed.
For now, this should enable the OpenSSL build to complete on these
architectures again after I reverted a local change.

XXX pullup-10