diff options
Diffstat (limited to 'libio/iofwrite.c')
| -rw-r--r-- | libio/iofwrite.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libio/iofwrite.c b/libio/iofwrite.c index b8f02f2dd0..0bbeef2646 100644 --- a/libio/iofwrite.c +++ b/libio/iofwrite.c @@ -36,7 +36,9 @@ _IO_fwrite (buf, size, count, fp) CHECK_FILE (fp, 0); if (request == 0) return 0; + _IO_flockfile (fp); written = _IO_sputn (fp, (const char *) buf, request); + _IO_funlockfile (fp); /* Many traditional implementations return 0 if size==0 && count > 0, but ANSI seems to require us to return count in this case. */ if (written == request) |