/* * Copyright (c) 2010 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Portions Copyright (c) 2010 Apple Inc. 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. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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 <stdio.h> #include <stdlib.h> #include <errno.h> #include <limits.h> #include <unistd.h> #include "config.h" #include "heimqueue.h" #include "heim_threads.h" #include "heimbase.h" #include "heimbasepriv.h" #ifdef HAVE_DISPATCH_DISPATCH_H #include <dispatch/dispatch.h> #endif #ifdef __GNUC__ #define heim_base_atomic_inc(x) __sync_add_and_fetch((x), 1) #define heim_base_atomic_dec(x) __sync_sub_and_fetch((x), 1) #define heim_base_atomic_type unsigned int #define heim_base_atomic_max UINT_MAX #define heim_base_exchange_pointer(t,v) __sync_lock_test_and_set((t), (v)) #elif 0 /* windows */ #define heim_base_exchange_pointer(t,v) InterlockedExchangePointer((t),(v)) #else #error "provide atomic integer operations for your compiler" #endif /* tagged strings/object/XXX */ #define heim_base_is_tagged(x) (((uintptr_t)(x)) & 0x3) #define heim_base_is_tagged_string(x) ((((uintptr_t)(x)) & 0x3) == 2) #define heim_base_make_tagged_string_ptr(x) ((heim_object_t)(((uintptr_t)(x)) | 2)) #define heim_base_tagged_string_ptr(x) ((char *)(((uintptr_t)(x)) & (~3))) #define heim_base_is_tagged_object(x) ((((uintptr_t)(x)) & 0x3) == 1) #define heim_base_make_tagged_object(x, tid) \ ((heim_object_t)((((uintptr_t)(x)) << 5) | ((tid) << 2) | 0x1)) #define heim_base_tagged_object_tid(x) ((((uintptr_t)(x)) & 0x1f) >> 2) #define heim_base_tagged_object_value(x) (((uintptr_t)(x)) >> 5) /* * */ #undef HEIMDAL_NORETURN_ATTRIBUTE #define HEIMDAL_NORETURN_ATTRIBUTE #undef HEIMDAL_PRINTF_ATTRIBUTE #define HEIMDAL_PRINTF_ATTRIBUTE(x)