diff options
Diffstat (limited to 'include/netdb.h')
| -rw-r--r-- | include/netdb.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/include/netdb.h b/include/netdb.h index 1d27ddcd4..d386736e1 100644 --- a/include/netdb.h +++ b/include/netdb.h @@ -60,9 +60,31 @@ __BEGIN_DECLS /* Function to get address of global `h_errno' variable. */ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__)); +/* Macros for accessing h_errno from inside libc. */ #ifdef _LIBC -# define __set_h_errno(x) (h_errno = (x)) -#endif +# ifdef __UCLIBC_HAS_THREADS__ +# if defined __UCLIBC_HAS_THREADS_NATIVE__ \ + && (!defined NOT_IN_libc || defined IS_IN_libpthread) +# undef h_errno +# ifndef NOT_IN_libc +# define h_errno __libc_h_errno +# else +# define h_errno h_errno /* For #ifndef h_errno tests. */ +# endif +extern __thread int h_errno attribute_tls_model_ie; +# define __set_h_errno(x) (h_errno = (x)) +# else +static inline int __set_h_errno (int __err) +{ + return *__h_errno_location () = __err; +} +# endif /* __UCLIBC_HAS_THREADS_NATIVE__ */ +# else +# undef h_errno +# define __set_h_errno(x) (h_errno = (x)) +extern int h_errno; +# endif /* __UCLIBC_HAS_THREADS__ */ +#endif /* _LIBC */ /* Possible values left in `h_errno'. */ #define NETDB_INTERNAL -1 /* See errno. */ |