1 files changed, 4 insertions, 1 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index b8254f4..4bd38b4 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -2277,7 +2277,10 @@ PyAPI_FUNC(int) PyUnstable_PerfMapState_Init(void) {
     char filename[100];
     pid_t pid = getpid();
     // Use nofollow flag to prevent symlink attacks.
-    int flags = O_WRONLY | O_CREAT | O_APPEND | O_NOFOLLOW | O_CLOEXEC;
+    int flags = O_WRONLY | O_CREAT | O_APPEND | O_NOFOLLOW;
+#ifdef O_CLOEXEC
+    flags |= O_CLOEXEC;
+#endif
     snprintf(filename, sizeof(filename) - 1, "/tmp/perf-%jd.map",
                 (intmax_t)pid);
     int fd = open(filename, flags, 0600);