[PATCH] eal/windows: fix data race when creating threads

[Tyler Retzlaff]

create lcore worker threads suspended and then subsequently resume to
allow &lcore_config[i].thread_id be stored before eal_thread_loop
execution.

Fixes: 53ffd9f080fc ("eal/windows: add minimum viable code")
Cc: anand.rawat at intel.com
Cc: stable at dpdk.org

Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
---
 lib/eal/windows/eal_thread.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/eal/windows/eal_thread.c b/lib/eal/windows/eal_thread.c
index 54fa93f..ff84cb4 100644
--- a/lib/eal/windows/eal_thread.c
+++ b/lib/eal/windows/eal_thread.c
@@ -150,13 +150,18 @@
 
 	th = CreateThread(NULL, 0,
 		(LPTHREAD_START_ROUTINE)(ULONG_PTR)eal_thread_loop,
-						NULL, 0, (LPDWORD)thread);
+						NULL, CREATE_SUSPENDED, (LPDWORD)thread);
 	if (!th)
 		return -1;
 
 	SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
 	SetThreadPriority(th, THREAD_PRIORITY_NORMAL);
 
+	if (ResumeThread(th) == (DWORD)-1) {
+		(void)CloseHandle(th);
+		return -1;
+	}
+
 	return 0;
 }
 
-- 
1.8.3.1