src/java.base/unix/native/libjava/childproc.c

rev 54932 : [mq]: 8223777-posix_spawn-no-exec-error-alternate-impl

@@ -312,10 +312,17 @@
 int
 childProcess(void *arg)
 {
     const ChildStuff* p = (const ChildStuff*) arg;
 
+    if (p->sendAlivePing) {
+        /* Child shall signal aliveness to parent at the very first
+         * moment. */
+        int code = CHILD_IS_ALIVE;
+        restartableWrite(p->fail[1], &code, sizeof(code));
+    }
+
     /* Close the parent sides of the pipes.
        Closing pipe fds here is redundant, since closeDescriptors()
        would do it anyways, but a little paranoia is a good thing. */
     if ((closeSafely(p->in[1])   == -1) ||
         (closeSafely(p->out[0])  == -1) ||