diff options
Diffstat (limited to 'include/netdb.h')
| -rw-r--r-- | include/netdb.h | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/include/netdb.h b/include/netdb.h index 99e02f050..9d3807d3a 100644 --- a/include/netdb.h +++ b/include/netdb.h @@ -54,21 +54,38 @@ __BEGIN_DECLS /* Error status for non-reentrant lookup functions. - We use a macro to access always the thread-specific `h_errno' variable. - We always need the extern int here in case internal libc code undefines - the macro because it needs access to the underlying storage. */ -extern int h_errno; -#ifdef __UCLIBC_HAS_THREADS__ -# define h_errno (*__h_errno_location ()) -#endif + We use a macro to access always the thread-specific `h_errno' variable. */ +#define h_errno (*__h_errno_location ()) /* Function to get address of global `h_errno' variable. */ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__)); libc_hidden_proto(__h_errno_location) +/* 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_TLS__ \ + && (!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_TLS__ */ +# 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. */ @@ -101,7 +118,6 @@ libc_hidden_proto(herror) extern __const char *hstrerror (int __err_num) __THROW; - /* Description of data base entry for a single host. */ struct hostent { |