mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
f7291b21ec
...and explicitly mark symbols we export, either for use by executables or for runtime-stdlib interaction. Until the stdlib supports resilience we have to allow programs to link to these SPI symbols.
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
//===--- LibcShims.h - Access to POSIX for Swift's core stdlib --*- C++ -*-===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See http://swift.org/LICENSE.txt for license information
|
|
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Using the Darwin (or Glibc) module in the core stdlib would create a
|
|
// circular dependency, so instead we import these declarations as part of
|
|
// SwiftShims.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
|
|
#define SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
|
|
|
|
#include "SwiftStdint.h"
|
|
#include "SwiftStddef.h"
|
|
#include "Visibility.h"
|
|
|
|
#ifdef __cplusplus
|
|
namespace swift { extern "C" {
|
|
#endif
|
|
|
|
// This declaration is not universally correct. We verify its correctness for
|
|
// the current platform in the runtime code.
|
|
#if defined(__linux__) && defined (__arm__)
|
|
typedef int __swift_ssize_t;
|
|
#else
|
|
typedef long int __swift_ssize_t;
|
|
#endif
|
|
|
|
// General utilities <stdlib.h>
|
|
// Memory management functions
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
void _swift_stdlib_free(void *ptr);
|
|
|
|
// Input/output <stdio.h>
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
int _swift_stdlib_putchar_unlocked(int c);
|
|
|
|
// String handling <string.h>
|
|
__attribute__((pure))
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_size_t _swift_stdlib_strlen(const char *s);
|
|
|
|
__attribute__((pure))
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
int _swift_stdlib_memcmp(const void *s1, const void *s2, __swift_size_t n);
|
|
|
|
// <unistd.h>
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_ssize_t _swift_stdlib_read(int fd, void *buf, __swift_size_t nbyte);
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_ssize_t _swift_stdlib_write(int fd, const void *buf,
|
|
__swift_size_t nbyte);
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
int _swift_stdlib_close(int fd);
|
|
|
|
// Non-standard extensions
|
|
__attribute__((const))
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_size_t _swift_stdlib_malloc_size(const void *ptr);
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_uint32_t _swift_stdlib_arc4random(void);
|
|
SWIFT_RUNTIME_STDLIB_INTERFACE
|
|
__swift_uint32_t _swift_stdlib_arc4random_uniform(__swift_uint32_t upper_bound);
|
|
|
|
#ifdef __cplusplus
|
|
}} // extern "C", namespace swift
|
|
#endif
|
|
|
|
#endif // SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
|
|
|