diff options
Diffstat (limited to 'libc/stdio/fcloseall.c')
-rw-r--r-- | libc/stdio/fcloseall.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/stdio/fcloseall.c b/libc/stdio/fcloseall.c new file mode 100644 index 000000000..dbb600067 --- /dev/null +++ b/libc/stdio/fcloseall.c @@ -0,0 +1,40 @@ +/* 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 +} |