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gcc blacklist: only apply when building with gcc
[lttng-modules.git]
/
lib
/
ringbuffer
/
frontend_api.h
diff --git
a/lib/ringbuffer/frontend_api.h
b/lib/ringbuffer/frontend_api.h
index 13975602380bf02e82979c071969be0eaa56612a..c36ec3dc2e3f0e3e8436a54ebee50b0be26d77a4 100644
(file)
--- a/
lib/ringbuffer/frontend_api.h
+++ b/
lib/ringbuffer/frontend_api.h
@@
-125,6
+125,14
@@
int lib_ring_buffer_try_reserve(const struct lib_ring_buffer_config *config,
* boundary. It's safe to write.
*/
*o_end = *o_begin + ctx->slot_size;
+
+ if (unlikely((subbuf_offset(*o_end, chan)) == 0))
+ /*
+ * The offset_end will fall at the very beginning of the next
+ * subbuffer.
+ */
+ return 1;
+
return 0;
}
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