file.c: rb_file_load_ok: GC+retry on EMFILE/ENFILE/ENOMEM

`require' should make a best effort to avoid failure on
recoverable resource exhaustion errors.

1 files changed, 5 insertions, 1 deletions

diff --git a/file.c b/file.c
index 48f57ec621..68122de6ae 100644
--- a/file.c
+++ b/file.c
@@ -6374,7 +6374,11 @@ rb_file_load_ok(const char *path)
 #endif
                 0);
     int fd = rb_cloexec_open(path, mode, 0);
-    if (fd == -1) return 0;
+    if (fd < 0) {
+        if (!rb_gc_for_fd(errno)) return 0;
+        fd = rb_cloexec_open(path, mode, 0);
+        if (fd < 0) return 0;
+    }
     rb_update_max_fd(fd);
     ret = ruby_is_fd_loadable(fd);
     (void)close(fd);