1 files changed, 18 insertions, 0 deletions
diff --git a/configure b/configure
index 5f4d7180b..9ed05def8 100755
--- a/configure
+++ b/configure
@@ -1957,6 +1957,21 @@ if compile_prog "" "" ; then
   splice=yes
 fi
 
+##########################################
+# signalfd probe
+signalfd="no"
+cat > $TMPC << EOF
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <signal.h>
+int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
+EOF
+
+if compile_prog "" "" ; then
+  signalfd=yes
+fi
+
 # check if eventfd is supported
 eventfd=no
 cat > $TMPC << EOF
@@ -2559,6 +2574,9 @@ fi
 if test "$fdt" = "yes" ; then
   echo "CONFIG_FDT=y" >> $config_host_mak
 fi
+if test "$signalfd" = "yes" ; then
+  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
+fi
 if test "$need_offsetof" = "yes" ; then
   echo "CONFIG_NEED_OFFSETOF=y" >> $config_host_mak
 fi