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vcl: fix vls_intercept_sigchld_handler be called recursively
[vpp.git]
/
src
/
vcl
/
vcl_locked.c
diff --git
a/src/vcl/vcl_locked.c
b/src/vcl/vcl_locked.c
index
90ee735
..
95da1aa
100644
(file)
--- a/
src/vcl/vcl_locked.c
+++ b/
src/vcl/vcl_locked.c
@@
-1561,6
+1561,11
@@
static void
vls_incercept_sigchld ()
{
struct sigaction sa;
+ if (old_sa.sa_sigaction)
+ {
+ VDBG (0, "have intercepted sigchld");
+ return;
+ }
clib_memset (&sa, 0, sizeof (sa));
sa.sa_sigaction = vls_intercept_sigchld_handler;
sa.sa_flags = SA_SIGINFO;