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| author | Julian Brown <julian@codesourcery.com> | 2019-12-13 23:14:15 +0000 |
|---|---|---|
| committer | Julian Brown <jules@gcc.gnu.org> | 2019-12-13 23:14:15 +0000 |
| commit | 1cbd94e834d58100579847d35e899768c384dae0 (patch) | |
| tree | c17d82d0dc67d657c321886da4f4691306c4f3a6 /libgomp/libgomp.h | |
| parent | a7c70129b9cb1cc9300400dc4f4adc639f0ba9c3 (diff) | |
| download | gcc-1cbd94e834d58100579847d35e899768c384dae0.zip gcc-1cbd94e834d58100579847d35e899768c384dae0.tar.gz gcc-1cbd94e834d58100579847d35e899768c384dae0.tar.bz2 | |
Fix potential race condition in OpenACC "exit data" operations
PR libgomp/92881
libgomp/
* libgomp.h (gomp_remove_var_async): Add prototype.
* oacc-mem.c (delete_copyout): Call gomp_remove_var_async instead of
gomp_remove_var.
* target.c (gomp_unref_tgt): Change return type to bool, indicating
whether target_mem_desc was unmapped.
(gomp_unref_tgt_void): New.
(gomp_remove_var): Reimplement in terms of...
(gomp_remove_var_internal): ...this new helper function.
(gomp_remove_var_async): New, implemented using above helper function.
(gomp_unmap_vars_internal): Use gomp_unref_tgt_void instead of
gomp_unref_tgt.
Reviewed-by: Thomas Schwinge <thomas@codesourcery.com>
From-SVN: r279388
Diffstat (limited to 'libgomp/libgomp.h')
| -rw-r--r-- | libgomp/libgomp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libgomp/libgomp.h b/libgomp/libgomp.h index 9f4d042..36dcca2 100644 --- a/libgomp/libgomp.h +++ b/libgomp/libgomp.h @@ -1166,6 +1166,8 @@ extern bool gomp_fini_device (struct gomp_device_descr *); extern void gomp_free_memmap (struct splay_tree_s *); extern void gomp_unload_device (struct gomp_device_descr *); extern bool gomp_remove_var (struct gomp_device_descr *, splay_tree_key); +extern void gomp_remove_var_async (struct gomp_device_descr *, splay_tree_key, + struct goacc_asyncqueue *); /* work.c */ |