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| author | Ivo Anjo <ivo.anjo@datadoghq.com> | 2024-07-15 17:08:16 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-15 09:08:16 -0700 |
| commit | 425e468d25a70740cef3ed676e9b82f7902e077a (patch) | |
| tree | c163c7baacfcdede8995a8178ab552d5a61a2365 | |
| parent | 3427a1679a8ca30465c684ac28449f495bff8a22 (diff) | |
[Backport #20633] Fix the condition for `atomic_signal_fence` (#11166)
[Bug #20633] Fix the condition for `atomic_signal_fence`
`AC_CHECK_DECLS` defines `HAVE_DECL_SYMBOL` to 1 if declared, 0
otherwise, not undefined.
Co-authored-by: kimuraw (Wataru Kimura) <kimuraw@i.nifty.jp>
| -rw-r--r-- | vm_insnhelper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 913fd86bb1..9a8911f731 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -396,7 +396,7 @@ vm_push_frame(rb_execution_context_t *ec, This is a no-op in all cases we've looked at (https://godbolt.org/z/3oxd1446K), but should guarantee it for all future/untested compilers/platforms. */ - #ifdef HAVE_DECL_ATOMIC_SIGNAL_FENCE + #if defined HAVE_DECL_ATOMIC_SIGNAL_FENCE && HAVE_DECL_ATOMIC_SIGNAL_FENCE atomic_signal_fence(memory_order_seq_cst); #endif |