diff options
Diffstat (limited to 'lib/libc/gen/_pthread_stubs.c')
| -rw-r--r-- | lib/libc/gen/_pthread_stubs.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/lib/libc/gen/_pthread_stubs.c b/lib/libc/gen/_pthread_stubs.c deleted file mode 100644 index 355b904..0000000 --- a/lib/libc/gen/_pthread_stubs.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * Copyright (c) 2001 Daniel Eischen <deischen@FreeBSD.org>. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <signal.h> -#include <pthread.h> -#include <stdlib.h> - -#include "libc_private.h" - -/* - * Weak symbols: All libc internal usage of these functions should - * use the weak symbol versions (_pthread_XXX). If libpthread is - * linked, it will override these functions with (non-weak) routines. - * The _pthread_XXX functions are provided solely for internal libc - * usage to avoid unwanted cancellation points and to differentiate - * between application locks and libc locks (threads holding the - * latter can't be allowed to exit/terminate). - */ - -/* Define a null pthread structure just to satisfy _pthread_self. */ -struct pthread { -}; - -static struct pthread main_thread; - -static int stub_main(void); -static void *stub_null(void); -static struct pthread *stub_self(void); -static int stub_zero(void); -static int stub_true(void); -static void stub_exit(void); - -#define PJT_DUAL_ENTRY(entry) \ - (pthread_func_t)entry, (pthread_func_t)entry - -pthread_func_entry_t __thr_jtable[PJT_MAX] = { - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATFORK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_DESTROY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETDETACHSTATE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETGUARDSIZE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETINHERITSCHED */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETSCHEDPARAM */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETSCHEDPOLICY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETSCOPE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETSTACKADDR */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_GETSTACKSIZE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_INIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETDETACHSTATE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETGUARDSIZE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETINHERITSCHED */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETSCHEDPARAM */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETSCHEDPOLICY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETSCOPE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETSTACKADDR */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ATTR_SETSTACKSIZE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CANCEL */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CLEANUP_POP */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CLEANUP_PUSH */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_BROADCAST */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_DESTROY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_INIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_SIGNAL */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_TIMEDWAIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_COND_WAIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_DETACH */ - {PJT_DUAL_ENTRY(stub_true)}, /* PJT_EQUAL */ - {PJT_DUAL_ENTRY(stub_exit)}, /* PJT_EXIT */ - {PJT_DUAL_ENTRY(stub_null)}, /* PJT_GETSPECIFIC */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_JOIN */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_KEY_CREATE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_KEY_DELETE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_KILL */ - {PJT_DUAL_ENTRY(stub_main)}, /* PJT_MAIN_NP */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEXATTR_DESTROY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEXATTR_INIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEXATTR_SETTYPE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEX_DESTROY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEX_INIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEX_LOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEX_TRYLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_MUTEX_UNLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_ONCE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_DESTROY */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_INIT */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_RDLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_TRYRDLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_TRYWRLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_UNLOCK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_RWLOCK_WRLOCK */ - {PJT_DUAL_ENTRY(stub_self)}, /* PJT_SELF */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_SETCANCELSTATE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_SETCANCELTYPE */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_SETSPECIFIC */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_SIGMASK */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_TESTCANCEL */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CLEANUP_POP_IMP */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CLEANUP_PUSH_IMP */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CANCEL_ENTER */ - {PJT_DUAL_ENTRY(stub_zero)}, /* PJT_CANCEL_LEAVE */ -}; - -/* - * Weak aliases for exported (pthread_*) and internal (_pthread_*) routines. - */ -#define WEAK_REF(sym, alias) __weak_reference(sym, alias) - -#define FUNC_TYPE(name) __CONCAT(name, _func_t) -#define FUNC_INT(name) __CONCAT(name, _int) -#define FUNC_EXP(name) __CONCAT(name, _exp) - -#define STUB_FUNC(name, idx, ret) \ - static ret FUNC_EXP(name)(void) __used; \ - static ret FUNC_INT(name)(void) __used; \ - WEAK_REF(FUNC_EXP(name), name); \ - WEAK_REF(FUNC_INT(name), __CONCAT(_, name)); \ - typedef ret (*FUNC_TYPE(name))(void); \ - static ret FUNC_EXP(name)(void) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][0]; \ - return (func()); \ - } \ - static ret FUNC_INT(name)(void) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][1]; \ - return (func()); \ - } - -#define STUB_FUNC1(name, idx, ret, p0_type) \ - static ret FUNC_EXP(name)(p0_type) __used; \ - static ret FUNC_INT(name)(p0_type) __used; \ - WEAK_REF(FUNC_EXP(name), name); \ - WEAK_REF(FUNC_INT(name), __CONCAT(_, name)); \ - typedef ret (*FUNC_TYPE(name))(p0_type); \ - static ret FUNC_EXP(name)(p0_type p0) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][0]; \ - return (func(p0)); \ - } \ - static ret FUNC_INT(name)(p0_type p0) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][1]; \ - return (func(p0)); \ - } - -#define STUB_FUNC2(name, idx, ret, p0_type, p1_type) \ - static ret FUNC_EXP(name)(p0_type, p1_type) __used; \ - static ret FUNC_INT(name)(p0_type, p1_type) __used; \ - WEAK_REF(FUNC_EXP(name), name); \ - WEAK_REF(FUNC_INT(name), __CONCAT(_, name)); \ - typedef ret (*FUNC_TYPE(name))(p0_type, p1_type); \ - static ret FUNC_EXP(name)(p0_type p0, p1_type p1) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][0]; \ - return (func(p0, p1)); \ - } \ - static ret FUNC_INT(name)(p0_type p0, p1_type p1) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][1]; \ - return (func(p0, p1)); \ - } - -#define STUB_FUNC3(name, idx, ret, p0_type, p1_type, p2_type) \ - static ret FUNC_EXP(name)(p0_type, p1_type, p2_type) __used; \ - static ret FUNC_INT(name)(p0_type, p1_type, p2_type) __used; \ - WEAK_REF(FUNC_EXP(name), name); \ - WEAK_REF(FUNC_INT(name), __CONCAT(_, name)); \ - typedef ret (*FUNC_TYPE(name))(p0_type, p1_type, p2_type); \ - static ret FUNC_EXP(name)(p0_type p0, p1_type p1, p2_type p2) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][0]; \ - return (func(p0, p1, p2)); \ - } \ - static ret FUNC_INT(name)(p0_type p0, p1_type p1, p2_type p2) \ - { \ - FUNC_TYPE(name) func; \ - func = (FUNC_TYPE(name))__thr_jtable[idx][1]; \ - return (func(p0, p1, p2)); \ - } - -STUB_FUNC1(pthread_cond_broadcast, PJT_COND_BROADCAST, int, void *) -STUB_FUNC1(pthread_cond_destroy, PJT_COND_DESTROY, int, void *) -STUB_FUNC2(pthread_cond_init, PJT_COND_INIT, int, void *, void *) -STUB_FUNC1(pthread_cond_signal, PJT_COND_SIGNAL, int, void *) -STUB_FUNC2(pthread_cond_wait, PJT_COND_WAIT, int, void *, void *) -STUB_FUNC1(pthread_getspecific, PJT_GETSPECIFIC, void *, pthread_key_t) -STUB_FUNC2(pthread_key_create, PJT_KEY_CREATE, int, void *, void *) -STUB_FUNC1(pthread_key_delete, PJT_KEY_DELETE, int, pthread_key_t) -STUB_FUNC(pthread_main_np, PJT_MAIN_NP, int) -STUB_FUNC1(pthread_mutex_destroy, PJT_MUTEX_DESTROY, int, void *) -STUB_FUNC2(pthread_mutex_init, PJT_MUTEX_INIT, int, void *, void *) -STUB_FUNC1(pthread_mutex_lock, PJT_MUTEX_LOCK, int, void *) -STUB_FUNC1(pthread_mutex_trylock, PJT_MUTEX_TRYLOCK, int, void *) -STUB_FUNC1(pthread_mutex_unlock, PJT_MUTEX_UNLOCK, int, void *) -STUB_FUNC1(pthread_mutexattr_destroy, PJT_MUTEXATTR_DESTROY, int, void *) -STUB_FUNC1(pthread_mutexattr_init, PJT_MUTEXATTR_INIT, int, void *) -STUB_FUNC2(pthread_mutexattr_settype, PJT_MUTEXATTR_SETTYPE, int, void *, int) -STUB_FUNC2(pthread_once, PJT_ONCE, int, void *, void *) -STUB_FUNC1(pthread_rwlock_destroy, PJT_RWLOCK_DESTROY, int, void *) -STUB_FUNC2(pthread_rwlock_init, PJT_RWLOCK_INIT, int, void *, void *) -STUB_FUNC1(pthread_rwlock_rdlock, PJT_RWLOCK_RDLOCK, int, void *) -STUB_FUNC1(pthread_rwlock_tryrdlock, PJT_RWLOCK_TRYRDLOCK, int, void *) -STUB_FUNC1(pthread_rwlock_trywrlock, PJT_RWLOCK_TRYWRLOCK, int, void *) -STUB_FUNC1(pthread_rwlock_unlock, PJT_RWLOCK_UNLOCK, int, void *) -STUB_FUNC1(pthread_rwlock_wrlock, PJT_RWLOCK_WRLOCK, int, void *) -STUB_FUNC(pthread_self, PJT_SELF, pthread_t) -STUB_FUNC2(pthread_setspecific, PJT_SETSPECIFIC, int, pthread_key_t, void *) -STUB_FUNC3(pthread_sigmask, PJT_SIGMASK, int, int, void *, void *) -STUB_FUNC3(pthread_atfork, PJT_ATFORK, int, void *, void *, void*) -STUB_FUNC1(pthread_attr_destroy, PJT_ATTR_DESTROY, int, void *); -STUB_FUNC2(pthread_attr_getdetachstate, PJT_ATTR_GETDETACHSTATE, int, void *, void *) -STUB_FUNC2(pthread_attr_getguardsize, PJT_ATTR_GETGUARDSIZE, int, void *, void *) -STUB_FUNC2(pthread_attr_getstackaddr, PJT_ATTR_GETSTACKADDR, int, void *, void *) -STUB_FUNC2(pthread_attr_getstacksize, PJT_ATTR_GETSTACKSIZE, int, void *, void *) -STUB_FUNC2(pthread_attr_getinheritsched, PJT_ATTR_GETINHERITSCHED, int, void *, void *) -STUB_FUNC2(pthread_attr_getschedparam, PJT_ATTR_GETSCHEDPARAM, int, void *, void *) -STUB_FUNC2(pthread_attr_getschedpolicy, PJT_ATTR_GETSCHEDPOLICY, int, void *, void *) -STUB_FUNC2(pthread_attr_getscope, PJT_ATTR_GETSCOPE, int, void *, void *) -STUB_FUNC1(pthread_attr_init, PJT_ATTR_INIT, int, void *) -STUB_FUNC2(pthread_attr_setdetachstate, PJT_ATTR_SETDETACHSTATE, int, void *, int) -STUB_FUNC2(pthread_attr_setguardsize, PJT_ATTR_SETGUARDSIZE, int, void *, size_t) -STUB_FUNC2(pthread_attr_setstackaddr, PJT_ATTR_SETSTACKADDR, int, void *, void *) -STUB_FUNC2(pthread_attr_setstacksize, PJT_ATTR_SETSTACKSIZE, int, void *, size_t) -STUB_FUNC2(pthread_attr_setinheritsched, PJT_ATTR_SETINHERITSCHED, int, void *, int) -STUB_FUNC2(pthread_attr_setschedparam, PJT_ATTR_SETSCHEDPARAM, int, void *, void *) -STUB_FUNC2(pthread_attr_setschedpolicy, PJT_ATTR_SETSCHEDPOLICY, int, void *, int) -STUB_FUNC2(pthread_attr_setscope, PJT_ATTR_SETSCOPE, int, void *, int) -STUB_FUNC1(pthread_cancel, PJT_CANCEL, int, void *) -STUB_FUNC1(pthread_cleanup_pop, PJT_CLEANUP_POP, int, int) -STUB_FUNC2(pthread_cleanup_push, PJT_CLEANUP_PUSH, void, void *, void *) -STUB_FUNC3(pthread_cond_timedwait, PJT_COND_TIMEDWAIT, int, void *, void *, void *) -STUB_FUNC1(pthread_detach, PJT_DETACH, int, void *) -STUB_FUNC2(pthread_equal, PJT_EQUAL, int, void *, void *) -STUB_FUNC1(pthread_exit, PJT_EXIT, void, void *) -STUB_FUNC2(pthread_join, PJT_JOIN, int, void *, void *) -STUB_FUNC2(pthread_kill, PJT_KILL, int, void *, int) -STUB_FUNC2(pthread_setcancelstate, PJT_SETCANCELSTATE, int, int, void *) -STUB_FUNC2(pthread_setcanceltype, PJT_SETCANCELTYPE, int, int, void *) -STUB_FUNC(pthread_testcancel, PJT_TESTCANCEL, void) -STUB_FUNC1(__pthread_cleanup_pop_imp, PJT_CLEANUP_POP_IMP, int, int) -STUB_FUNC2(__pthread_cleanup_push_imp, PJT_CLEANUP_PUSH_IMP, void, void*, void *); -STUB_FUNC1(_pthread_cancel_enter, PJT_CANCEL_ENTER, int, int) -STUB_FUNC1(_pthread_cancel_leave, PJT_CANCEL_LEAVE, int, int) - -static int -stub_zero(void) -{ - return (0); -} - -static void * -stub_null(void) -{ - return (NULL); -} - -static struct pthread * -stub_self(void) -{ - return (&main_thread); -} - -static int -stub_main(void) -{ - return (-1); -} - -static int -stub_true(void) -{ - return (1); -} - -static void -stub_exit(void) -{ - exit(0); -} |
