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Diffstat (limited to 'source4/heimdal/base/baselocl.h')
-rw-r--r-- | source4/heimdal/base/baselocl.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/source4/heimdal/base/baselocl.h b/source4/heimdal/base/baselocl.h new file mode 100644 index 0000000000..3932378b2d --- /dev/null +++ b/source4/heimdal/base/baselocl.h @@ -0,0 +1,90 @@ +/* + * 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) |