+#include <signal.h>
#ifdef CONFIG_VALGRIND_DEV
#include <valgrind/drd.h>
#else
sk_out_assign(hd->sk_out);
+#ifdef HAVE_PTHREAD_SIGMASK
+ {
+ sigset_t sigmask;
+
+ /* Let another thread handle signals. */
+ ret = pthread_sigmask(SIG_UNBLOCK, NULL, &sigmask);
+ assert(ret == 0);
+ ret = pthread_sigmask(SIG_BLOCK, &sigmask, NULL);
+ assert(ret == 0);
+ }
+#endif
+
#ifdef CONFIG_PTHREAD_CONDATTR_SETCLOCK
clock_gettime(CLOCK_MONOTONIC, &ts);
#else