libxl: fork: assert that chldmode is right

In libxl_childproc_reaped, check that the chldmode is as expected.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Jim Fehlig <jfehlig@suse.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/libxl_fork.c b/tools/libxl/libxl_fork.c
index 7b84765bd116afda085a1bf39609b771ba3f5a72..85db2fbf01681161af2d1aece04265570d7ce14c 100644 (file)
--- a/tools/libxl/libxl_fork.c
+++ b/tools/libxl/libxl_fork.c
@@ -322,6 +322,8 @@ int libxl_childproc_reaped(libxl_ctx *ctx, pid_t pid, int status)
 {
     EGC_INIT(ctx);
     CTX_LOCK;
+    assert(CTX->childproc_hooks->chldowner
+           == libxl_sigchld_owner_mainloop);
     int rc = childproc_reaped(egc, pid, status);
     CTX_UNLOCK;
     EGC_FREE;