diff options
Diffstat (limited to 'include/stdio_ext.h')
| -rw-r--r-- | include/stdio_ext.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/stdio_ext.h b/include/stdio_ext.h index 31c7a4e7a1..c7b77246b7 100644 --- a/include/stdio_ext.h +++ b/include/stdio_ext.h @@ -4,8 +4,19 @@ extern int __fsetlocking_internal (FILE *__fp, int __type) attribute_hidden; -#ifndef NOT_IN_libc -# define __fsetlocking(fp, type) INTUSE(__fsetlocking) (fp, type) -#endif +#define __fsetlocking(fp, type) \ + ({ int __result = ((fp->_flags & _IO_USER_LOCK) \ + ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL); \ + \ + if (type != FSETLOCKING_QUERY) \ + { \ + fp->_flags &= ~_IO_USER_LOCK; \ + if (type == FSETLOCKING_BYCALLER) \ + fp->_flags |= _IO_USER_LOCK; \ + } \ + \ + __result; \ + }) + #endif |