diff options
Diffstat (limited to 'Unix/i686-elf/include/sys/stdio.h')
-rw-r--r-- | Unix/i686-elf/include/sys/stdio.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Unix/i686-elf/include/sys/stdio.h b/Unix/i686-elf/include/sys/stdio.h new file mode 100644 index 0000000..fa9cd5d --- /dev/null +++ b/Unix/i686-elf/include/sys/stdio.h @@ -0,0 +1,27 @@ +#ifndef _NEWLIB_STDIO_H +#define _NEWLIB_STDIO_H + +#include <sys/lock.h> +#include <sys/reent.h> + +/* Internal locking macros, used to protect stdio functions. In the + general case, expand to nothing. Use __SSTR flag in FILE _flags to + detect if FILE is private to sprintf/sscanf class of functions; if + set then do nothing as lock is not initialised. */ +#if !defined(_flockfile) +#ifndef __SINGLE_THREAD__ +# define _flockfile(fp) (((fp)->_flags & __SSTR) ? 0 : __lock_acquire_recursive((fp)->_lock)) +#else +# define _flockfile(fp) +#endif +#endif + +#if !defined(_funlockfile) +#ifndef __SINGLE_THREAD__ +# define _funlockfile(fp) (((fp)->_flags & __SSTR) ? 0 : __lock_release_recursive((fp)->_lock)) +#else +# define _funlockfile(fp) +#endif +#endif + +#endif /* _NEWLIB_STDIO_H */ |