Load SRWLock APIs at runtime

This loads SRWLock APIs at runtime and in their absence (i.e. on
Windows before Vista) falls back on a regular CRITICAL_SECTION
that will not permit concurrent readers.

1 files changed, 8 insertions, 4 deletions

diff --git a/src/global.c b/src/global.c
index a06d0c81f..b504e5e0a 100644
--- a/src/global.c
+++ b/src/global.c
@@ -71,18 +71,22 @@ int git_threads_init(void)
 
 	GIT_MEMORY_BARRIER;
 
+	win32_pthread_initialize();
+
 	return error;
 }
 
 void git_threads_shutdown(void)
 {
+	/* Shut down any subsystems that have global state */
+	win32_pthread_shutdown();
+	git_futils_dirs_free();
+	git_hash_global_shutdown();
+
 	TlsFree(_tls_index);
 	_tls_init = 0;
-	git_mutex_free(&git__mwindow_mutex);
 
-	/* Shut down any subsystems that have global state */
-	git_hash_global_shutdown();
-	git_futils_dirs_free();
+	git_mutex_free(&git__mwindow_mutex);
 }
 
 git_global_st *git__global_state(void)