#ifndef GRPC_IMPL_CODEGEN_PORT_PLATFORM_H
#define GRPC_IMPL_CODEGEN_PORT_PLATFORM_H
+// IWYU pragma: private, include <grpc/support/port_platform.h>
+
/*
* Define GPR_BACKWARDS_COMPATIBILITY_MODE to try harder to be ABI
* compatible with older platforms (currently only on Linux)
* - some syscalls to be made directly
*/
+// [[deprecated]] attribute is only available since C++14
+#if __cplusplus >= 201402L
+#define GRPC_DEPRECATED(reason) [[deprecated(reason)]]
+#else
+#define GRPC_DEPRECATED(reason)
+#endif // __cplusplus >= 201402L
+
+/*
+ * Defines GPR_ABSEIL_SYNC to use synchronization features from Abseil
+ */
+#ifndef GPR_ABSEIL_SYNC
+#if defined(__APPLE__)
+// This is disabled on Apple platforms because macos/grpc_basictests_c_cpp
+// fails with this. https://github.com/grpc/grpc/issues/23661
+#else
+#define GPR_ABSEIL_SYNC 1
+#endif
+#endif // GPR_ABSEIL_SYNC
+
+/*
+ * Defines GRPC_ERROR_IS_ABSEIL_STATUS to use absl::Status for grpc_error_handle
+ */
+// #define GRPC_ERROR_IS_ABSEIL_STATUS 1
+
/* Get windows.h included everywhere (we need it) */
#if defined(_WIN64) || defined(WIN64) || defined(_WIN32) || defined(WIN32)
#ifndef WIN32_LEAN_AND_MEAN
#define NOMINMAX
#endif /* NOMINMAX */
+#include <windows.h>
+
#ifndef _WIN32_WINNT
#error \
"Please compile grpc with _WIN32_WINNT of at least 0x600 (aka Windows Vista)"
#endif /* _WIN32_WINNT < 0x0600 */
#endif /* defined(_WIN32_WINNT) */
-#include <windows.h>
-
#ifdef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED
#undef GRPC_WIN32_LEAN_AND_MEAN_WAS_NOT_DEFINED
#undef WIN32_LEAN_AND_MEAN
#define GPR_WINDOWS_TMPFILE
#define GPR_WINDOWS_LOG
#define GPR_WINDOWS_CRASH_HANDLER 1
+#define GPR_WINDOWS_STAT
#define GPR_WINDOWS_STRING
#define GPR_WINDOWS_TIME
#endif
#ifdef __GNUC__
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#else
#define GPR_WINDOWS_ATOMIC 1
-#define GPR_MSVC_TLS 1
#endif
-#elif defined(GPR_MANYLINUX1)
-// TODO(atash): manylinux1 is just another __linux__ but with ancient
-// libraries; it should be integrated with the `__linux__` definitions below.
-#define GPR_PLATFORM_STRING "manylinux"
-#define GPR_POSIX_CRASH_HANDLER 1
-#define GPR_CPU_POSIX 1
-#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
-#define GPR_LINUX 1
-#define GPR_LINUX_LOG 1
-#define GPR_SUPPORT_CHANNELS_FROM_FD 1
-#define GPR_LINUX_ENV 1
-#define GPR_POSIX_TMPFILE 1
-#define GPR_POSIX_STRING 1
-#define GPR_POSIX_SUBPROCESS 1
-#define GPR_POSIX_SYNC 1
-#define GPR_POSIX_TIME 1
-#define GPR_GETPID_IN_UNISTD_H 1
-#ifdef _LP64
-#define GPR_ARCH_64 1
-#else /* _LP64 */
-#define GPR_ARCH_32 1
-#endif /* _LP64 */
-#include <linux/version.h>
#elif defined(ANDROID) || defined(__ANDROID__)
#define GPR_PLATFORM_STRING "android"
#define GPR_ANDROID 1
+#ifdef __ANDROID_API__
+#if (__ANDROID_API__) >= 29
+#define GPR_SUPPORT_BINDER_TRANSPORT 1
+#endif
+#endif
// TODO(apolcyn): re-evaluate support for c-ares
// on android after upgrading our c-ares dependency.
// See https://github.com/grpc/grpc/issues/18038.
#endif /* _LP64 */
#define GPR_CPU_POSIX 1
#define GPR_GCC_SYNC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_ANDROID_LOG 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#elif defined(__linux__)
#include <features.h>
#define GPR_CPU_LINUX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_LINUX 1
#define GPR_LINUX_LOG
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#define GPR_LINUX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#else /* musl libc */
#define GPR_MUSL_LIBC_COMPAT 1
#endif
+#elif defined(__ASYLO__)
+#define GPR_ARCH_64 1
+#define GPR_CPU_POSIX 1
+#define GPR_PLATFORM_STRING "asylo"
+#define GPR_GCC_SYNC 1
+#define GPR_POSIX_SYNC 1
+#define GPR_POSIX_STRING 1
+#define GPR_POSIX_LOG 1
+#define GPR_POSIX_TIME 1
+#define GPR_POSIX_ENV 1
+#define GPR_ASYLO 1
+#define GRPC_POSIX_SOCKET 1
+#define GRPC_POSIX_SOCKETADDR
+#define GRPC_POSIX_SOCKETUTILS 1
+#define GRPC_TIMER_USE_GENERIC 1
+#define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1
+#define GRPC_POSIX_WAKEUP_FD 1
+#define GRPC_ARES 0
+#define GPR_NO_AUTODETECT_PLATFORM 1
#elif defined(__APPLE__)
#include <Availability.h>
#include <TargetConditionals.h>
#if TARGET_OS_IPHONE
#define GPR_PLATFORM_STRING "ios"
#define GPR_CPU_IPHONE 1
-#define GPR_PTHREAD_TLS 1
-/* the c-ares resolver isnt safe to enable on iOS */
+#define GRPC_CFSTREAM 1
+/* the c-ares resolver isn't safe to enable on iOS */
#define GRPC_ARES 0
#else /* TARGET_OS_IPHONE */
#define GPR_PLATFORM_STRING "osx"
-#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
-#if __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7
-#define GPR_CPU_IPHONE 1
-#define GPR_PTHREAD_TLS 1
-#else /* __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_7 */
#define GPR_CPU_POSIX 1
-/* TODO(vjpai): there is a reported issue in bazel build for Mac where __thread
- in a header is currently not working (bazelbuild/bazel#4341). Remove
- the following conditional and use GPR_GCC_TLS when that is fixed */
-#ifndef GRPC_BAZEL_BUILD
-#define GPR_GCC_TLS 1
-#else /* GRPC_BAZEL_BUILD */
-#define GPR_PTHREAD_TLS 1
-#endif /* GRPC_BAZEL_BUILD */
-#define GPR_APPLE_PTHREAD_NAME 1
+#define GPR_POSIX_CRASH_HANDLER 1
#endif
-#else /* __MAC_OS_X_VERSION_MIN_REQUIRED */
-#define GPR_CPU_POSIX 1
-/* TODO(vjpai): Remove the following conditional and use only GPR_GCC_TLS
- when bazelbuild/bazel#4341 is fixed */
-#ifndef GRPC_BAZEL_BUILD
-#define GPR_GCC_TLS 1
-#else /* GRPC_BAZEL_BUILD */
+#if !(defined(__has_feature) && __has_feature(cxx_thread_local))
#define GPR_PTHREAD_TLS 1
-#endif /* GRPC_BAZEL_BUILD */
-#endif
-#define GPR_POSIX_CRASH_HANDLER 1
#endif
#define GPR_APPLE 1
#define GPR_GCC_ATOMIC 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
-/* TODO(mxyan): Remove when CFStream becomes default */
#ifndef GRPC_CFSTREAM
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#endif
#define GPR_FREEBSD 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#ifdef _LP64
#define GPR_OPENBSD 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#define GPR_SUPPORT_CHANNELS_FROM_FD 1
#ifdef _LP64
#define GPR_SOLARIS 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#define GPR_AIX 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#define GPR_NACL 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_GCC_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
#ifdef _LP64
#define GPR_ARCH_64 1
#define GPR_ARCH_32 1
#endif /* _LP64 */
#elif defined(__Fuchsia__)
+#define GRPC_ARES 0
#define GPR_FUCHSIA 1
#define GPR_ARCH_64 1
#define GPR_PLATFORM_STRING "fuchsia"
#define GPR_MUSL_LIBC_COMPAT 1
#define GPR_CPU_POSIX 1
#define GPR_GCC_ATOMIC 1
-#define GPR_PTHREAD_TLS 1
#define GPR_POSIX_LOG 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_ENV 1
#define GPR_POSIX_TMPFILE 1
+#define GPR_POSIX_STAT 1
#define GPR_POSIX_SUBPROCESS 1
#define GPR_POSIX_SYNC 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_TIME 1
+#define GPR_HAS_PTHREAD_H 1
#define GPR_GETPID_IN_UNISTD_H 1
+#define GRPC_ROOT_PEM_PATH "/config/ssl/cert.pem"
#else
#error "Could not auto-detect platform"
#endif
#endif /* GPR_NO_AUTODETECT_PLATFORM */
+#if defined(GPR_BACKWARDS_COMPATIBILITY_MODE)
/*
- * There are platforms for which TLS should not be used even though the
- * compiler makes it seem like it's supported (Android NDK < r12b for example).
- * This is primarily because of linker problems and toolchain misconfiguration:
- * TLS isn't supported until NDK r12b per
- * https://developer.android.com/ndk/downloads/revision_history.html
- * TLS also does not work with Android NDK if GCC is being used as the compiler
- * instead of Clang.
- * Since NDK r16, `__NDK_MAJOR__` and `__NDK_MINOR__` are defined in
- * <android/ndk-version.h>. For NDK < r16, users should define these macros,
- * e.g. `-D__NDK_MAJOR__=11 -D__NKD_MINOR__=0` for NDK r11. */
-#if defined(__ANDROID__) && defined(GPR_GCC_TLS)
-#if __has_include(<android/ndk-version.h>)
-#include <android/ndk-version.h>
-#endif /* __has_include(<android/ndk-version.h>) */
-#if (defined(__clang__) && defined(__NDK_MAJOR__) && defined(__NDK_MINOR__) && \
- ((__NDK_MAJOR__ < 12) || \
- ((__NDK_MAJOR__ == 12) && (__NDK_MINOR__ < 1)))) || \
- (defined(__GNUC__) && !defined(__clang__))
-#undef GPR_GCC_TLS
-#define GPR_PTHREAD_TLS 1
+ * For backward compatibility mode, reset _FORTIFY_SOURCE to prevent
+ * a library from having non-standard symbols such as __asprintf_chk.
+ * This helps non-glibc systems such as alpine using musl to find symbols.
+ */
+#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0
+#undef _FORTIFY_SOURCE
+#define _FORTIFY_SOURCE 0
+#endif
#endif
-#endif /*defined(__ANDROID__) && defined(GPR_GCC_TLS) */
#if defined(__has_include)
#if __has_include(<atomic>)
#include <stdint.h>
#endif /* _MSC_VER */
+/* Type of cycle clock implementation */
+#ifdef GPR_LINUX
+/* Disable cycle clock by default.
+ TODO(soheil): enable when we support fallback for unstable cycle clocks.
+#if defined(__i386__)
+#define GPR_CYCLE_COUNTER_RDTSC_32 1
+#elif defined(__x86_64__) || defined(__amd64__)
+#define GPR_CYCLE_COUNTER_RDTSC_64 1
+#else
+#define GPR_CYCLE_COUNTER_FALLBACK 1
+#endif
+*/
+#define GPR_CYCLE_COUNTER_FALLBACK 1
+#else
+#define GPR_CYCLE_COUNTER_FALLBACK 1
+#endif /* GPR_LINUX */
+
/* Cache line alignment */
#ifndef GPR_CACHELINE_SIZE_LOG
#if defined(__i386__) || defined(__x86_64__)
#error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM
#endif
-#if defined(GPR_MSVC_TLS) + defined(GPR_GCC_TLS) + defined(GPR_PTHREAD_TLS) + \
- defined(GPR_CUSTOM_TLS) != \
- 1
-#error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_CUSTOM_TLS
-#endif
-
/* maximum alignment needed for any type on this platform, rounded up to a
power of two */
#define GPR_MAX_ALIGNMENT 16
#define CENSUSAPI GRPCAPI
#endif
+#ifndef GPR_HAS_CPP_ATTRIBUTE
+#ifdef __has_cpp_attribute
+#define GPR_HAS_CPP_ATTRIBUTE(a) __has_cpp_attribute(a)
+#else
+#define GPR_HAS_CPP_ATTRIBUTE(a) 0
+#endif
+#endif /* GPR_HAS_CPP_ATTRIBUTE */
+
#ifndef GPR_HAS_ATTRIBUTE
#ifdef __has_attribute
#define GPR_HAS_ATTRIBUTE(a) __has_attribute(a)
#endif
#endif /* GPR_ATTRIBUTE_NOINLINE */
+#ifndef GPR_NO_UNIQUE_ADDRESS
+#if GPR_HAS_CPP_ATTRIBUTE(no_unique_address)
+#define GPR_NO_UNIQUE_ADDRESS [[no_unique_address]]
+#else
+#define GPR_NO_UNIQUE_ADDRESS
+#endif
+#endif /* GPR_NO_UNIQUE_ADDRESS */
+
+#ifndef GRPC_DEPRECATED
+#if GPR_HAS_CPP_ATTRIBUTE(deprecated)
+#define GRPC_DEPRECATED(reason) [[deprecated(reason)]]
+#else
+#define GRPC_DEPRECATED(reason)
+#endif
+#endif /* GRPC_DEPRECATED */
+
#ifndef GPR_ATTRIBUTE_WEAK
/* Attribute weak is broken on LLVM/windows:
* https://bugs.llvm.org/show_bug.cgi?id=37598 */
#endif /* GPR_ATTRIBUTE_NO_TSAN (1) */
/* GRPC_TSAN_ENABLED will be defined, when compiled with thread sanitizer. */
+#ifndef GRPC_TSAN_SUPPRESSED
#if defined(__SANITIZE_THREAD__)
#define GRPC_TSAN_ENABLED
#elif GPR_HAS_FEATURE(thread_sanitizer)
#define GRPC_TSAN_ENABLED
#endif
+#endif
/* GRPC_ASAN_ENABLED will be defined, when compiled with address sanitizer. */
+#ifndef GRPC_ASAN_SUPPRESSED
#if defined(__SANITIZE_ADDRESS__)
#define GRPC_ASAN_ENABLED
#elif GPR_HAS_FEATURE(address_sanitizer)
#define GRPC_ASAN_ENABLED
#endif
+#endif
/* GRPC_ALLOW_EXCEPTIONS should be 0 or 1 if exceptions are allowed or not */
#ifndef GRPC_ALLOW_EXCEPTIONS
-/* If not already set, set to 1 on Windows (style guide standard) but to
- * 0 on non-Windows platforms unless the compiler defines __EXCEPTIONS */
#ifdef GPR_WINDOWS
+#if defined(_MSC_VER) && defined(_CPPUNWIND)
#define GRPC_ALLOW_EXCEPTIONS 1
+#elif defined(__EXCEPTIONS)
+#define GRPC_ALLOW_EXCEPTIONS 1
+#else
+#define GRPC_ALLOW_EXCEPTIONS 0
+#endif
#else /* GPR_WINDOWS */
#ifdef __EXCEPTIONS
#define GRPC_ALLOW_EXCEPTIONS 1
#define __STDC_FORMAT_MACROS
#endif
+/* Selectively enable EventEngine on specific platforms. This default can be
+ * overridden using the GRPC_USE_EVENT_ENGINE compiler flag.
+ */
+#ifndef GRPC_USE_EVENT_ENGINE
+/* Not enabled by default on any platforms yet. (2021.06) */
+#elif GRPC_USE_EVENT_ENGINE == 0
+/* Building with `-DGRPC_USE_EVENT_ENGINE=0` will override the default. */
+#undef GRPC_USE_EVENT_ENGINE
+#endif /* GRPC_USE_EVENT_ENGINE */
+
+#ifdef GRPC_USE_EVENT_ENGINE
+#undef GPR_SUPPORT_CHANNELS_FROM_FD
+#define GRPC_ARES 0
+#endif /* GRPC_USE_EVENT_ENGINE */
+
+#define GRPC_CALLBACK_API_NONEXPERIMENTAL
+
+/* clang 11 with msan miscompiles destruction of [[no_unique_address]] members
+ * of zero size - for a repro see:
+ * test/core/compiler_bugs/miscompile_with_no_unique_address_test.cc
+ */
+#ifdef __clang__
+#if __clang__ && __clang_major__ <= 11 && __has_feature(memory_sanitizer)
+#undef GPR_NO_UNIQUE_ADDRESS
+#define GPR_NO_UNIQUE_ADDRESS
+#endif
+#endif
+
#endif /* GRPC_IMPL_CODEGEN_PORT_PLATFORM_H */
projects / platform / upstream / grpc.git / blobdiff