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rx: Use sys/atomic_op.h on AIX 4.1+

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Since commit 4505af8002 (aix: add atomic support), rx_atomic.h has used
sys/atomic_op.h on AIX 6.1 and newer, but sys/atomic_op.h is available
as far back as AIX 4.1. So, use sys/atomic_op.h on AIX 4.1+, so older
versions of AIX can use proper atomics instead of the fallback
implementation.

Change-Id: I49e2f257abe05c25aaebe06847c5230392a93780
Reviewed-on: https://gerrit.openafs.org/15975
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Mark Vitale <mvitale@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
This commit is contained in:
Ben Huntsman 2024-12-02 16:43:57 -08:00 committed by Andrew Deason
parent a0852d93e5
commit e79985dbf2
1 changed files with 1 additions and 1 deletions
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2
src/rx/rx_atomic.h
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@ -86,7 +86,7 @@ rx_atomic_sub(rx_atomic_t *atomic, int change)
InterlockedExchangeAdd(&atomic->var, 0 - change);
}
#elif defined(AFS_AIX61_ENV) || defined(AFS_USR_AIX61_ENV)
#elif defined(AFS_AIX41_ENV) || defined(AFS_USR_AIX41_ENV)
# include <sys/atomic_op.h>
typedef struct {