From 25c4609a8973f6d14bcba4546ecb8137a29be823 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Wed, 4 Nov 2020 15:21:17 +0100
Subject: [PATCH] check for waitid and NOWAIT

---
 test/CMakeLists.txt  | 4 ++++
 test/conf.h.in       | 1 +
 test/lib/Cluster.cpp | 4 ++++
 3 files changed, 9 insertions(+)

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 449223f0..4b108466 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -14,6 +14,10 @@ endif()
 check_decl(pipe2 unistd.h)
 check_decl(SOCK_NONBLOCK sys/socket.h)
 check_decl(SOCK_CLOEXEC sys/socket.h)
+check_decl(waitid sys/wait.h)
+if(HAVE_WAITID)
+    check_compiles(HAVE_WAITID_NOWAIT "siginfo_t s; waitid(P_ALL, 0, &s, WNOWAIT|WEXITED);" sys/types.h sys/wait.h)
+endif()
 
 file(GLOB_RECURSE TESTING_SRC RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)
 set(TESTING_ROOT ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/test/conf.h.in b/test/conf.h.in
index 284d9653..2d2d0360 100644
--- a/test/conf.h.in
+++ b/test/conf.h.in
@@ -21,6 +21,7 @@
 #cmakedefine HAVE_SOCK_CLOEXEC 1
 #cmakedefine HAVE_EXECUTION 1
 #cmakedefine HAVE_TBB 1
+#cmakedefine HAVE_WAITID_NOWAIT 1
 
 #cmakedefine TESTING_ROOT "@TESTING_ROOT@"
 #cmakedefine MEMCACHED_BINARY getenv_else("MEMCACHED_BINARY", "@MEMCACHED_BINARY@")
diff --git a/test/lib/Cluster.cpp b/test/lib/Cluster.cpp
index 37ec184e..de05a797 100644
--- a/test/lib/Cluster.cpp
+++ b/test/lib/Cluster.cpp
@@ -98,6 +98,7 @@ void Cluster::wait() {
   siginfo_t inf;
 
   while (!isStopped()) {
+#if HAVE_WAITID_NOWAIT
     if (waitid(P_ALL, 0, &inf, WEXITED | WNOWAIT)) {
       perror("Cluster::wait waitid()");
       return;
@@ -107,6 +108,9 @@ void Cluster::wait() {
     if (server != pids.end()) {
       server->second->wait();
     }
+#else
+    this_thread::sleep_for(100ms);
+#endif
   }
 }
 
-- 
2.30.2