diff options
Diffstat (limited to 'linuxthreads/sysdeps/pthread')
| -rw-r--r-- | linuxthreads/sysdeps/pthread/bits/libc-tsd.h | 40 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/pthread/errno-loc.c | 44 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/pthread/herrno-loc.c | 41 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/pthread/res-state.c | 43 |
4 files changed, 143 insertions, 25 deletions
diff --git a/linuxthreads/sysdeps/pthread/bits/libc-tsd.h b/linuxthreads/sysdeps/pthread/bits/libc-tsd.h index e37faf6ba4..04cf7c1a6c 100644 --- a/linuxthreads/sysdeps/pthread/bits/libc-tsd.h +++ b/linuxthreads/sysdeps/pthread/bits/libc-tsd.h @@ -20,16 +20,7 @@ #ifndef _BITS_LIBC_TSD_H #define _BITS_LIBC_TSD_H 1 -/* Fast thread-specific data internal to libc. */ -enum __libc_tsd_key_t { _LIBC_TSD_KEY_MALLOC = 0, - _LIBC_TSD_KEY_DL_ERROR, - _LIBC_TSD_KEY_RPC_VARS, - _LIBC_TSD_KEY_LOCALE, - _LIBC_TSD_KEY_CTYPE_B, - _LIBC_TSD_KEY_CTYPE_TOLOWER, - _LIBC_TSD_KEY_CTYPE_TOUPPER, - _LIBC_TSD_KEY_N }; - +#include <linuxthreads/descr.h> #include <tls.h> #if USE_TLS && HAVE___THREAD @@ -39,26 +30,25 @@ enum __libc_tsd_key_t { _LIBC_TSD_KEY_MALLOC = 0, #else -extern void *(*__libc_internal_tsd_get) (enum __libc_tsd_key_t) __THROW; -extern int (*__libc_internal_tsd_set) (enum __libc_tsd_key_t, - __const void *) __THROW; -extern void **(*const __libc_internal_tsd_address) (enum __libc_tsd_key_t) - __THROW __attribute__ ((__const__)); +# include <bits/libc-lock.h> -#define __libc_tsd_address(KEY) \ - (__libc_internal_tsd_address != NULL \ - ? __libc_internal_tsd_address (_LIBC_TSD_KEY_##KEY) \ - : &__libc_tsd_##KEY##_data) +# ifndef SHARED +weak_extern (__pthread_internal_tsd_address) +weak_extern (__pthread_internal_tsd_get) +weak_extern (__pthread_internal_tsd_set) +# endif #define __libc_tsd_define(CLASS, KEY) CLASS void *__libc_tsd_##KEY##_data; +#define __libc_tsd_address(KEY) \ + __libc_maybe_call2 (pthread_internal_tsd_address, \ + (_LIBC_TSD_KEY_##KEY), &__libc_tsd_##KEY##_data) #define __libc_tsd_get(KEY) \ - (__libc_internal_tsd_get != NULL \ - ? __libc_internal_tsd_get (_LIBC_TSD_KEY_##KEY) \ - : __libc_tsd_##KEY##_data) + __libc_maybe_call2 (pthread_internal_tsd_get, \ + (_LIBC_TSD_KEY_##KEY), __libc_tsd_##KEY##_data) #define __libc_tsd_set(KEY, VALUE) \ - (__libc_internal_tsd_set != NULL \ - ? __libc_internal_tsd_set (_LIBC_TSD_KEY_##KEY, (VALUE)) \ - : ((__libc_tsd_##KEY##_data = (VALUE)), 0)) + __libc_maybe_call2 (pthread_internal_tsd_set, \ + (_LIBC_TSD_KEY_##KEY, (VALUE)), \ + (__libc_tsd_##KEY##_data = (VALUE), 0)) #endif diff --git a/linuxthreads/sysdeps/pthread/errno-loc.c b/linuxthreads/sysdeps/pthread/errno-loc.c new file mode 100644 index 0000000000..e79a7cf814 --- /dev/null +++ b/linuxthreads/sysdeps/pthread/errno-loc.c @@ -0,0 +1,44 @@ +/* MT support function to get address of `errno' variable, linuxthreads + version. + Copyright (C) 1996, 1998, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <tls.h> +#include <sysdep-cancel.h> + +#if ! USE___THREAD +#undef errno +extern int errno; +#endif + +int * +#if ! USE___THREAD +weak_const_function +#endif +__errno_location (void) +{ +#if ! USE___THREAD && !defined NOT_IN_libc + if (! SINGLE_THREAD_P) + { + pthread_descr self = thread_self(); + return LIBC_THREAD_GETMEM (self, p_errnop); + } +#endif + return &errno; +} diff --git a/linuxthreads/sysdeps/pthread/herrno-loc.c b/linuxthreads/sysdeps/pthread/herrno-loc.c new file mode 100644 index 0000000000..ead9a16065 --- /dev/null +++ b/linuxthreads/sysdeps/pthread/herrno-loc.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1996, 97, 98, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <netdb.h> +#include <tls.h> +#include <sysdep-cancel.h> + +#if ! USE___THREAD +# undef h_errno +extern int h_errno; +#endif + +/* When threaded, h_errno may be a per-thread variable. */ +int * +weak_const_function +__h_errno_location (void) +{ +#if ! USE___THREAD + if (! SINGLE_THREAD_P) + { + pthread_descr self = thread_self(); + return LIBC_THREAD_GETMEM (self, p_h_errnop); + } +#endif + return &h_errno; +} diff --git a/linuxthreads/sysdeps/pthread/res-state.c b/linuxthreads/sysdeps/pthread/res-state.c new file mode 100644 index 0000000000..90fe41c80b --- /dev/null +++ b/linuxthreads/sysdeps/pthread/res-state.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1996, 97, 98, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <resolv.h> +#include <tls.h> +#include <sysdep-cancel.h> + +#if ! USE___THREAD +# undef _res +extern struct __res_state _res; +#endif + +/* When threaded, _res may be a per-thread variable. */ +struct __res_state * +#if ! USE___THREAD +weak_const_function +#endif +__res_state (void) +{ +#if ! USE___THREAD + if (! SINGLE_THREAD_P) + { + pthread_descr self = thread_self(); + return LIBC_THREAD_GETMEM (self, p_resp); + } +#endif + return &_res; +} |