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Import intrusively ref counted shared pointers into FML. (flutter#5062)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| // Copyright 2016 The Fuchsia Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
|
|
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| // This file adds defines about the platform we're currently building on. | ||
| // Operating System: | ||
| // OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX) / | ||
| // OS_NACL (NACL_SFI or NACL_NONSFI) / OS_NACL_SFI / OS_NACL_NONSFI | ||
| // Compiler: | ||
| // COMPILER_MSVC / COMPILER_GCC | ||
| // Processor: | ||
| // ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64) | ||
| // ARCH_CPU_32_BITS / ARCH_CPU_64_BITS | ||
|
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||
| #ifndef FLUTTER_FML_BUILD_CONFIG_H_ | ||
| #define FLUTTER_FML_BUILD_CONFIG_H_ | ||
|
|
||
| #if defined(__Fuchsia__) | ||
| #define OS_FUCHSIA 1 | ||
| #elif defined(ANDROID) | ||
| #define OS_ANDROID 1 | ||
| #elif defined(__APPLE__) | ||
| // only include TargetConditions after testing ANDROID as some android builds | ||
| // on mac don't have this header available and it's not needed unless the target | ||
| // is really mac/ios. | ||
| #include <TargetConditionals.h> | ||
| #define OS_MACOSX 1 | ||
| #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | ||
| #define OS_IOS 1 | ||
| #endif // defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | ||
| #elif defined(__linux__) | ||
| #define OS_LINUX 1 | ||
| // include a system header to pull in features.h for glibc/uclibc macros. | ||
| #include <unistd.h> | ||
| #if defined(__GLIBC__) && !defined(__UCLIBC__) | ||
| // we really are using glibc, not uClibc pretending to be glibc | ||
| #define LIBC_GLIBC 1 | ||
| #endif | ||
| #elif defined(_WIN32) | ||
| #define OS_WIN 1 | ||
| #elif defined(__FreeBSD__) | ||
| #define OS_FREEBSD 1 | ||
| #elif defined(__OpenBSD__) | ||
| #define OS_OPENBSD 1 | ||
| #elif defined(__sun) | ||
| #define OS_SOLARIS 1 | ||
| #elif defined(__QNXNTO__) | ||
| #define OS_QNX 1 | ||
| #else | ||
| #error Please add support for your platform in flutter/fml/build_config.h | ||
| #endif | ||
|
|
||
| // For access to standard BSD features, use OS_BSD instead of a | ||
| // more specific macro. | ||
| #if defined(OS_FREEBSD) || defined(OS_OPENBSD) | ||
| #define OS_BSD 1 | ||
| #endif | ||
|
|
||
| // For access to standard POSIXish features, use OS_POSIX instead of a | ||
| // more specific macro. | ||
| #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) || \ | ||
| defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) || \ | ||
| defined(OS_NACL) || defined(OS_QNX) | ||
| #define OS_POSIX 1 | ||
| #endif | ||
|
|
||
| // Processor architecture detection. For more info on what's defined, see: | ||
| // http://msdn.microsoft.com/en-us/library/b0084kay.aspx | ||
| // http://www.agner.org/optimize/calling_conventions.pdf | ||
| // or with gcc, run: "echo | gcc -E -dM -" | ||
| #if defined(_M_X64) || defined(__x86_64__) | ||
| #define ARCH_CPU_X86_FAMILY 1 | ||
| #define ARCH_CPU_X86_64 1 | ||
| #define ARCH_CPU_64_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #elif defined(_M_IX86) || defined(__i386__) | ||
| #define ARCH_CPU_X86_FAMILY 1 | ||
| #define ARCH_CPU_X86 1 | ||
| #define ARCH_CPU_32_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #elif defined(__ARMEL__) | ||
| #define ARCH_CPU_ARM_FAMILY 1 | ||
| #define ARCH_CPU_ARMEL 1 | ||
| #define ARCH_CPU_32_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #elif defined(__aarch64__) | ||
| #define ARCH_CPU_ARM_FAMILY 1 | ||
| #define ARCH_CPU_ARM64 1 | ||
| #define ARCH_CPU_64_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #elif defined(__pnacl__) | ||
| #define ARCH_CPU_32_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #elif defined(__MIPSEL__) | ||
| #if defined(__LP64__) | ||
| #define ARCH_CPU_MIPS64_FAMILY 1 | ||
| #define ARCH_CPU_MIPS64EL 1 | ||
| #define ARCH_CPU_64_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #else | ||
| #define ARCH_CPU_MIPS_FAMILY 1 | ||
| #define ARCH_CPU_MIPSEL 1 | ||
| #define ARCH_CPU_32_BITS 1 | ||
| #define ARCH_CPU_LITTLE_ENDIAN 1 | ||
| #endif | ||
| #else | ||
| #error Please add support for your architecture in flutter/fml/build_config.h | ||
| #endif | ||
|
|
||
| #endif // FLUTTER_FML_BUILD_CONFIG_H_ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // Copyright 2016 The Fuchsia Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
|
|
||
| #ifndef FLUTTER_FML_COMPILER_SPECIFIC_H_ | ||
| #define FLUTTER_FML_COMPILER_SPECIFIC_H_ | ||
|
|
||
| #if !defined(__GNUC__) && !defined(__clang__) && !defined(_MSC_VER) | ||
| #error Unsupported compiler. | ||
| #endif | ||
|
|
||
| // Annotate a variable indicating it's ok if the variable is not used. | ||
| // (Typically used to silence a compiler warning when the assignment | ||
| // is important for some other reason.) | ||
| // Use like: | ||
| // int x = ...; | ||
| // FML_ALLOW_UNUSED_LOCAL(x); | ||
| #define FML_ALLOW_UNUSED_LOCAL(x) false ? (void)x : (void)0 | ||
|
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| // Annotate a typedef or function indicating it's ok if it's not used. | ||
| // Use like: | ||
| // typedef Foo Bar ALLOW_UNUSED_TYPE; | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_ALLOW_UNUSED_TYPE __attribute__((unused)) | ||
| #else | ||
| #define FML_ALLOW_UNUSED_TYPE | ||
| #endif | ||
|
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||
| // Annotate a function indicating it should not be inlined. | ||
| // Use like: | ||
| // NOINLINE void DoStuff() { ... } | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_NOINLINE __attribute__((noinline)) | ||
| #elif defined(_MSC_VER) | ||
| #define FML_NOINLINE __declspec(noinline) | ||
| #endif | ||
|
|
||
| // Specify memory alignment for structs, classes, etc. | ||
| // Use like: | ||
| // class FML_ALIGNAS(16) MyClass { ... } | ||
| // FML_ALIGNAS(16) int array[4]; | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_ALIGNAS(byte_alignment) __attribute__((aligned(byte_alignment))) | ||
| #elif defined(_MSC_VER) | ||
| #define FML_ALIGNAS(byte_alignment) __declspec(align(byte_alignment)) | ||
| #endif | ||
|
|
||
| // Return the byte alignment of the given type (available at compile time). | ||
| // Use like: | ||
| // FML_ALIGNOF(int32) // this would be 4 | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_ALIGNOF(type) __alignof__(type) | ||
| #elif defined(_MSC_VER) | ||
| #define FML_ALIGNOF(type) __alignof(type) | ||
| #endif | ||
|
|
||
| // Annotate a function indicating the caller must examine the return value. | ||
| // Use like: | ||
| // int foo() FML_WARN_UNUSED_RESULT; | ||
| // To explicitly ignore a result, see |ignore_result()| in base/macros.h. | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) | ||
| #else | ||
| #define FML_WARN_UNUSED_RESULT | ||
| #endif | ||
|
|
||
| // Tell the compiler a function is using a printf-style format string. | ||
| // |format_param| is the one-based index of the format string parameter; | ||
| // |dots_param| is the one-based index of the "..." parameter. | ||
| // For v*printf functions (which take a va_list), pass 0 for dots_param. | ||
| // (This is undocumented but matches what the system C headers do.) | ||
| #if defined(__GNUC__) || defined(__clang__) | ||
| #define FML_PRINTF_FORMAT(format_param, dots_param) \ | ||
| __attribute__((format(printf, format_param, dots_param))) | ||
| #else | ||
| #define FML_PRINTF_FORMAT(format_param, dots_param) | ||
| #endif | ||
|
|
||
| #endif // FLUTTER_FML_COMPILER_SPECIFIC_H_ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| // Copyright 2016 The Fuchsia Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
|
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||
| #ifndef FLUTTER_FML_EINTR_WRAPPER_H_ | ||
| #define FLUTTER_FML_EINTR_WRAPPER_H_ | ||
|
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| #include "flutter/fml/build_config.h" | ||
|
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| #include <errno.h> | ||
|
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| #if defined(OS_WIN) | ||
|
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| // Windows has no concept of EINTR. | ||
| #define FML_HANDLE_EINTR(x) (x) | ||
| #define FML_IGNORE_EINTR(x) (x) | ||
|
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| #else | ||
|
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| #if defined(NDEBUG) | ||
|
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| #define FML_HANDLE_EINTR(x) \ | ||
| ({ \ | ||
| decltype(x) eintr_wrapper_result; \ | ||
| do { \ | ||
| eintr_wrapper_result = (x); \ | ||
| } while (eintr_wrapper_result == -1 && errno == EINTR); \ | ||
| eintr_wrapper_result; \ | ||
| }) | ||
|
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| #else | ||
|
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| #define FML_HANDLE_EINTR(x) \ | ||
| ({ \ | ||
| int eintr_wrapper_counter = 0; \ | ||
| decltype(x) eintr_wrapper_result; \ | ||
| do { \ | ||
| eintr_wrapper_result = (x); \ | ||
| } while (eintr_wrapper_result == -1 && errno == EINTR && \ | ||
| eintr_wrapper_counter++ < 100); \ | ||
| eintr_wrapper_result; \ | ||
| }) | ||
|
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| #endif // NDEBUG | ||
|
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| #define FML_IGNORE_EINTR(x) \ | ||
| ({ \ | ||
| decltype(x) eintr_wrapper_result; \ | ||
| do { \ | ||
| eintr_wrapper_result = (x); \ | ||
| if (eintr_wrapper_result == -1 && errno == EINTR) { \ | ||
| eintr_wrapper_result = 0; \ | ||
| } \ | ||
| } while (0); \ | ||
| eintr_wrapper_result; \ | ||
| }) | ||
|
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||
| #endif // defined(OS_WIN) | ||
|
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||
| #endif // FLUTTER_FML_EINTR_WRAPPER_H_ |
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