[Xen-devel] [PATCH 1/6] libxl: events: Assert that libxl_ctx_free is not called from a hook

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

No-one in their right mind would do this, and if they did everything
would definitely collapse.  Arrange that if this happens, we crash
ASAP.

Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Tested-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Release-Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 tools/libxl/libxl.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 74c00dc..55ef535 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -148,6 +148,8 @@ int libxl_ctx_free(libxl_ctx *ctx)
 {
     if (!ctx) return 0;
 
+    assert(!ctx->osevent_in_hook);
+
     int i;
     GC_INIT(ctx);
 
-- 
1.7.10.4


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