work around old glibc releases without threads.h

2019-06-06 08:10:57 -04:00 · 2019-06-06 08:10:57 -04:00 · 12525f2861
commit 12525f2861
parent 5449f4a94e
1 changed files with 5 additions and 1 deletions
--- a/h_malloc.c
+++ b/h_malloc.c
@ -6,8 +6,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
-#if N_ARENA > 1
+
+#if __has_include(<threads.h>)
 #include <threads.h>
+#else
+// glibc < 2.28
+#define thread_local _Thread_local
 #endif

 #include <malloc.h>