X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/1b96e9580714d7a677d10a8e286b3f8a2bddc6f5..c11f668ec9c5b2f0016cf6920a111c52e895b24a:/src/thread-stdc.h

diff --git a/src/thread-stdc.h b/src/thread-stdc.h
index 46fe361..a29ec8c 100644
--- a/src/thread-stdc.h
+++ b/src/thread-stdc.h
@@ -22,10 +22,7 @@
 static tss_t tls_key;
 static bool tls_key_valid;
 
-static void tls_key_init(void)
-{
-	tls_key_valid = (tss_create(&tls_key, free) == thrd_success);
-}
+static void init_once_cb(void);
 
 static void *tls_get(void)
 {
@@ -36,3 +33,17 @@ static int tls_set(void *p)
 {
 	return tss_set(tls_key, p) == thrd_success;
 }
+
+static void init_once_with_tls(void)
+{
+	tls_key_valid = (tss_create(&tls_key, free) == thrd_success);
+	init_once_cb();
+}
+
+static int init_once(void)
+{
+	static once_flag flag;
+
+	call_once(&flag, init_once_with_tls);
+	return 1;
+}