diff options
Diffstat (limited to 'winsup/cygwin/include/sys/stdio.h')
| -rw-r--r-- | winsup/cygwin/include/sys/stdio.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/winsup/cygwin/include/sys/stdio.h b/winsup/cygwin/include/sys/stdio.h index 7cc6f09f1..40b18b3be 100644 --- a/winsup/cygwin/include/sys/stdio.h +++ b/winsup/cygwin/include/sys/stdio.h @@ -14,15 +14,21 @@ details. */ #include <sys/cdefs.h> #include <sys/lock.h> +/* These definitions should be kept in sync with those in the newlib + header of the same name (newlib/libc/include/sys/stdio.h). */ + #if !defined(__SINGLE_THREAD__) # if !defined(_flockfile) -# define _flockfile(fp) __cygwin_lock_lock ((_LOCK_T *)&(fp)->_lock) +# define _flockfile(fp) ({ if (!((fp)->_flags & __SSTR)) \ + __cygwin_lock_lock ((_LOCK_T *)&(fp)->_lock); }) # endif # if !defined(_ftrylockfile) -# define _ftrylockfile(fp) __cygwin_lock_trylock ((_LOCK_T *)&(fp)->_lock) +# define _ftrylockfile(fp) (((fp)->_flags & __SSTR) ? 0 : \ + __cygwin_lock_trylock ((_LOCK_T *)&(fp)->_lock)) # endif # if !defined(_funlockfile) -# define _funlockfile(fp) __cygwin_lock_unlock ((_LOCK_T *)&(fp)->_lock) +# define _funlockfile(fp) ({ if (!((fp)->_flags & __SSTR)) \ + __cygwin_lock_unlock ((_LOCK_T *)&(fp)->_lock); }) # endif #endif |