X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Falign.h;h=ebf03e8dbb0c61a7f724f115e5144b3a7243fb58;hb=1572ffb1ad081d6a47b3b05831aa19e15435a40d;hp=0a5363ea3e7161897465b469c52617f32dd2adc7;hpb=993e8a491eba696a20f91c3688b90f2b155a8c9c;p=lttng-ust.git diff --git a/include/lttng/align.h b/include/lttng/align.h index 0a5363ea..ebf03e8d 100644 --- a/include/lttng/align.h +++ b/include/lttng/align.h @@ -6,23 +6,36 @@ * * (C) Copyright 2010-2011 - Mathieu Desnoyers * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #include #include +#include +#ifndef PAGE_SIZE /* Cygwin limits.h defines its own PAGE_SIZE */ #define PAGE_SIZE sysconf(_SC_PAGE_SIZE) +#endif + #define PAGE_MASK (~(PAGE_SIZE - 1)) #define __ALIGN_MASK(v, mask) (((v) + (mask)) & ~(mask)) -#define ALIGN(v, align) __ALIGN_MASK(v, (typeof(v)) (align) - 1) +#define ALIGN(v, align) __ALIGN_MASK(v, (__typeof__(v)) (align) - 1) #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) /** @@ -36,7 +49,7 @@ */ #define offset_align(align_drift, alignment) \ ({ \ - BUILD_RUNTIME_BUG_ON((alignment) == 0 \ + LTTNG_BUILD_RUNTIME_BUG_ON((alignment) == 0 \ || ((alignment) & ((alignment) - 1))); \ (((alignment) - (align_drift)) & ((alignment) - 1)); \ }) @@ -51,9 +64,9 @@ */ #define offset_align_floor(align_drift, alignment) \ ({ \ - BUILD_RUNTIME_BUG_ON((alignment) == 0 \ + LTTNG_BUILD_RUNTIME_BUG_ON((alignment) == 0 \ || ((alignment) & ((alignment) - 1))); \ - (((align_drift) - (alignment)) & ((alignment) - 1); \ + (((align_drift) - (alignment)) & ((alignment) - 1)); \ }) #endif /* _UST_ALIGN_H */