use vfork if available, otherwise sleep after fork to avoid racing on signalling the process vs execvp changing the signal handlers; clone without signal-handlers would also do, but is even less portable

1 files changed, 4 insertions, 0 deletions

diff --git a/src/include/platform.h b/src/include/platform.h
index 257fc7c6b..3393807f5 100644
--- a/src/include/platform.h
+++ b/src/include/platform.h
@@ -151,6 +151,10 @@
 #include <errno.h>
 #include <limits.h>
 
+#if HAVE_VFORK_H
+#include <vfork.h>
+#endif
+
 #if HAVE_CTYPE_H
 #include <ctype.h>
 #endif