[xen master] tools/xenstored: xenstored_core.h should include fcntl.h

[patchbot@xxxxxxx]

commit a8002238b49c3423c7081dfbac3580651f5242ef
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Thu Jun 24 09:07:52 2021 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Jun 24 09:07:52 2021 +0100

    tools/xenstored: xenstored_core.h should include fcntl.h
    
    xenstored_core.h will consider live-udpate is not supported if
    O_CLOEXEC doesn't exist. However, the header doesn't include the one
    defining O_CLOEXEC (i.e. fcntl.h). This means that depending on
    the header included, some source file will think Live-Update is not
    supported.
    
    I am not aware of any issue with the existing. Therefore this is just
    a latent bug so far.
    
    Prevent any potential issue by including fcntl.h in xenstored_core.h
    
    Fixes: cd831ee438 ("tools/xenstore: handle CLOEXEC flag for local files and 
pipes")
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/xenstore/xenstored_core.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
index 34839b34f6..dac5171569 100644
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -24,6 +24,7 @@
 
 #include <sys/types.h>
 #include <dirent.h>
+#include <fcntl.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <errno.h>
--
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