[v1] plugins: enable C++ plugins

[PATCH 04/11] plugins: define plugin API symbols as extern "C" when compiling in C++

Pierrick Bouvier posted 11 patches 1 week ago

Diff against v2
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Maintainers: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, John Snow <jsnow@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>, Aarushi Mehta <mehta.aaru20@gmail.com>, Julia Suvorova <jusual@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Stefano Garzarella <sgarzare@redhat.com>, "Richard W.M. Jones" <rjones@redhat.com>, Stefan Weil <sw@weilnetz.de>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Greg Kurz <groug@kaod.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Jesper Devantier <foss@defmacro.it>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Farhan Ali <alifm@linux.ibm.com>, Richard Henderson <richard.henderson@linaro.org>, Ilya Leoshkevich <iii@linux.ibm.com>, David Hildenbrand <david@kernel.org>, Thomas Huth <thuth@redhat.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Jared Rossi <jrossi@linux.ibm.com>, Zhuoying Cai <zycai@linux.ibm.com>, Fam Zheng <fam@euphon.net>, Alberto Garcia <berto@igalia.com>, Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>, Li Zhijian <lizhijian@fujitsu.com>, "Dr. David Alan Gilbert" <dave@treblig.org>, Eric Blake <eblake@redhat.com>, Zhang Chen <zhangckid@gmail.com>, Jason Wang <jasowang@redhat.com>, Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>, Kostiantyn Kostiuk <kkostiuk@redhat.com>, Nicholas Piggin <npiggin@gmail.com>, Chinmay Rath <rathc@linux.ibm.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Laurent Vivier <lvivier@redhat.com>

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[PATCH 04/11] plugins: define plugin API symbols as extern "C" when compiling in C++

Posted by Pierrick Bouvier 1 week ago

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 include/qemu/qemu-plugin.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h
index 60de4fdd3fa..e44f863d839 100644
--- a/include/qemu/qemu-plugin.h
+++ b/include/qemu/qemu-plugin.h
@@ -16,6 +16,10 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * For best performance, build the plugin with -fvisibility=hidden so that
  * QEMU_PLUGIN_LOCAL is implicit. Then, just mark qemu_plugin_install with
@@ -1210,4 +1214,8 @@ void qemu_plugin_u64_set(qemu_plugin_u64 entry, unsigned int vcpu_index,
 QEMU_PLUGIN_API
 uint64_t qemu_plugin_u64_sum(qemu_plugin_u64 entry);
 
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
 #endif /* QEMU_QEMU_PLUGIN_H */
-- 
2.47.3