diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/genops.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libio/genops.c b/libio/genops.c index 30bceb6274..85d42face4 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -31,6 +31,8 @@ #endif #include <string.h> +static _IO_lock_t list_all_lock = _IO_lock_initializer; + void _IO_un_link (fp) _IO_FILE *fp; @@ -38,6 +40,7 @@ _IO_un_link (fp) if (fp->_flags & _IO_LINKED) { _IO_FILE **f; + _IO_lock_lock (list_all_lock); for (f = &_IO_list_all; *f != NULL; f = &(*f)->_chain) { if (*f == fp) @@ -46,6 +49,7 @@ _IO_un_link (fp) break; } } + _IO_lock_unlock (list_all_lock); fp->_flags &= ~_IO_LINKED; } } @@ -57,8 +61,10 @@ _IO_link_in (fp) if ((fp->_flags & _IO_LINKED) == 0) { fp->_flags |= _IO_LINKED; + _IO_lock_lock (list_all_lock); fp->_chain = _IO_list_all; _IO_list_all = fp; + _IO_lock_unlock (list_all_lock); } } |