From 4a2c67fe6e2fc4af3cbe247e9f97a1501f61e6bb Mon Sep 17 00:00:00 2001
From: Junmin Gu <jgu@lbl.gov>
Date: Fri, 2 Jun 2023 14:03:29 -0700
Subject: [PATCH 1/2] work around  with include <unistd.h> on  windows

---
 source/h5vol/CMakeLists.txt   | 15 +++++++++++++++
 source/h5vol/H5VolReadWrite.c |  7 +++++++
 2 files changed, 22 insertions(+)

diff --git a/source/h5vol/CMakeLists.txt b/source/h5vol/CMakeLists.txt
index c94593a70e..ba1baad80b 100644
--- a/source/h5vol/CMakeLists.txt
+++ b/source/h5vol/CMakeLists.txt
@@ -9,6 +9,21 @@ if(CMAKE_C_COMPILER_ID MATCHES "^(GNU)$")
   string(APPEND CMAKE_C_FLAGS " -Wno-format-zero-length")
 endif()
 
+include(CheckIncludeFiles)
+check_include_files(unistd.h HAVE_UNISTD_H)
+check_include_files(windows.h HAVE_WINDOWS_H)
+
+message("- HAVE_UNISTD?  ${HAVE_UNISTD_H} ")
+message("- HAVE_WINDOWS? ${HAVE_WINDOWS_H}")
+
+if (HAVE_UNISTD_H)
+   add_definitions(-DHAVE_UNISTD_H)
+endif()
+
+if (HAVE_WINDOWS_H)
+   add_definitions(-DHAVE_WINDOWS_H)
+endif()
+
 add_library(adios2_h5vol
   H5VolReadWrite.c
   H5Vol.c
diff --git a/source/h5vol/H5VolReadWrite.c b/source/h5vol/H5VolReadWrite.c
index f049d9ad85..5633eaf03d 100644
--- a/source/h5vol/H5VolReadWrite.c
+++ b/source/h5vol/H5VolReadWrite.c
@@ -16,7 +16,14 @@
 #include "H5VolReadWrite.h"
 
 #include "H5VolUtil.h"
+
+#ifdef HAVE_UNISTD_H
 #include <unistd.h> // sleep
+#elif defined HAVE_WINDOWS_H
+#include <windows.h>
+#define sleep(x) Sleep(1000 * (x))
+#endif
+
 // these are in h5private.h
 #define SUCCEED 1
 #define FAIL 0

From a1a67ac6d25b510a5c3eb43118b4811bfb672118 Mon Sep 17 00:00:00 2001
From: Junmin Gu <guj@users.noreply.github.com>
Date: Sun, 4 Jun 2023 23:21:26 -0700
Subject: [PATCH 2/2] Update CMakeLists.txt, removing duplicated message()

---
 source/h5vol/CMakeLists.txt | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/source/h5vol/CMakeLists.txt b/source/h5vol/CMakeLists.txt
index ba1baad80b..e8c2ce4461 100644
--- a/source/h5vol/CMakeLists.txt
+++ b/source/h5vol/CMakeLists.txt
@@ -13,9 +13,6 @@ include(CheckIncludeFiles)
 check_include_files(unistd.h HAVE_UNISTD_H)
 check_include_files(windows.h HAVE_WINDOWS_H)
 
-message("- HAVE_UNISTD?  ${HAVE_UNISTD_H} ")
-message("- HAVE_WINDOWS? ${HAVE_WINDOWS_H}")
-
 if (HAVE_UNISTD_H)
    add_definitions(-DHAVE_UNISTD_H)
 endif()