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-rw-r--r--libc/stdio/fcloseall.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/stdio/fcloseall.c b/libc/stdio/fcloseall.c
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+++ b/libc/stdio/fcloseall.c
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+/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+
+/* NOTE: GLIBC difference!!! -- fcloseall
+ * According to the info pages, glibc actually fclose()s all open files.
+ * Apparently, glibc's new version only fflush()s and unbuffers all
+ * writing streams to cope with unordered destruction of c++ static
+ * objects.
+ */
+
+int fcloseall (void)
+{
+#ifdef __STDIO_HAS_OPENLIST
+
+ int retval = 0;
+
+ __STDIO_THREADLOCK_OPENLIST;
+ while (_stdio_openlist) {
+ if (fclose(_stdio_openlist)) {
+ retval = EOF;
+ }
+ }
+ __STDIO_THREADUNLOCK_OPENLIST;
+
+ return retval;
+
+#else
+
+#warning Always fails in this configuration because no open file list.
+
+ return EOF;
+
+#endif
+}