linux-kernel - [PATCH 2/2] io_uring: uapi: Add `extern "C"` in io

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Date:   Tue, 23 Aug 2022 18:45:49 +0700
From:   Ammar Faizi <ammarfaizi2@...weeb.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Ammar Faizi <ammarfaizi2@...weeb.org>,
        io-uring Mailing List <io-uring@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        Bart Van Assche <bvanassche@....org>,
        Dylan Yudaken <dylany@...com>,
        Facebook Kernel Team <kernel-team@...com>,
        Kanna Scarlet <knscarlet@...weeb.org>
Subject: [PATCH 2/2] io_uring: uapi: Add `extern "C"` in io_uring.h for liburing

From: Ammar Faizi <ammarfaizi2@...weeb.org>

Make it easy for liburing to integrate uapi header with the kernel.
Previously, when this header changes, the liburing side can't directly
copy this header file due to some small differences. Sync them.

Link: https://lore.kernel.org/io-uring/f1feef16-6ea2-0653-238f-4aaee35060b6@kernel.dk
Cc: Bart Van Assche <bvanassche@....org>
Cc: Dylan Yudaken <dylany@...com>
Cc: Facebook Kernel Team <kernel-team@...com>
Signed-off-by: Ammar Faizi <ammarfaizi2@...weeb.org>
---
 include/uapi/linux/io_uring.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 1463cfecb56b..9e0b5c8d92ce 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -12,6 +12,10 @@
 #include <linux/types.h>
 #include <linux/time_types.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * IO submission data structure (Submission Queue Entry)
  */
@@ -661,4 +665,8 @@ struct io_uring_recvmsg_out {
 	__u32 flags;
 };
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
-- 
Ammar Faizi