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| author | Jonathan Wakely <jwakely@redhat.com> | 2022-03-22 21:17:01 +0000 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2022-03-23 10:03:03 +0000 |
| commit | 5bf59b004808abf6acbfe5ef54a0f9216b8dce22 (patch) | |
| tree | 8fb3ed4e3855945db9d3f5aa4cc2f1de81b902ad /libstdc++-v3 | |
| parent | 4a9e92164a547afcf8cd3fc593c7660238ad2d59 (diff) | |
| download | gcc-5bf59b004808abf6acbfe5ef54a0f9216b8dce22.zip gcc-5bf59b004808abf6acbfe5ef54a0f9216b8dce22.tar.gz gcc-5bf59b004808abf6acbfe5ef54a0f9216b8dce22.tar.bz2 | |
libstdc++: Disable atomic wait for freestanding [PR105021]
We use either condition variables or futexes to implement atomic waits,
so we can't do it in freestanding. This is non-conforming, so should be
revisited later, probably by making freestanding atomic waiting
operations spin without ever blocking.
Reviewed-by: Thomas Rodgers <trodgers@redhat.com>
libstdc++-v3/ChangeLog:
PR libstdc++/105021
* include/bits/atomic_base.h [!_GLIBCXX_HOSTED]: Do not include
<bits/atomic_wait.h> for freestanding.
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/include/bits/atomic_base.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/include/bits/atomic_base.h b/libstdc++-v3/include/bits/atomic_base.h index d86766cf..2cad848 100644 --- a/libstdc++-v3/include/bits/atomic_base.h +++ b/libstdc++-v3/include/bits/atomic_base.h @@ -37,7 +37,7 @@ #include <bits/atomic_lockfree_defines.h> #include <bits/move.h> -#if __cplusplus > 201703L +#if __cplusplus > 201703L && _GLIBCXX_HOSTED #include <bits/atomic_wait.h> #endif |