diff options
Diffstat (limited to 'libio/putchar.c')
| -rw-r--r-- | libio/putchar.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/libio/putchar.c b/libio/putchar.c index bf10da9..d4d52f6 100644 --- a/libio/putchar.c +++ b/libio/putchar.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,5 +25,15 @@ int putchar (c) int c; { - return _IO_putc (c, stdout); + int result; + _IO_flockfile (_IO_stdout); + result = _IO_putc_unlocked (c, _IO_stdout); + _IO_funlockfile (_IO_stdout); + return result; } + +#ifdef _IO_MTSAFE_IO +# undef putchar_locked + +weak_alias (putchar_locked, putchar) +#endif |