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96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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* Copyright 2016-present Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#ifndef _WIN32
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#include <unistd.h>
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#else
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#include <cstdint>
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#include <sys/locking.h> // @manual
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#include <folly/portability/SysTypes.h>
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// This is different from the normal headers because there are a few cases,
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// such as close(), where we need to override the definition of an existing
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// function. To avoid conflicts at link time, everything here is in a namespace
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// which is then used globally.
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#define _SC_PAGESIZE 1
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#define _SC_PAGE_SIZE _SC_PAGESIZE
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#define _SC_NPROCESSORS_ONLN 2
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#define _SC_NPROCESSORS_CONF 2
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// Windows doesn't define these, but these are the correct values
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// for Windows.
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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// Windows is weird and doesn't actually defined these
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// for the parameters to access, so we have to do it ourselves -_-...
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#define F_OK 0
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#define X_OK F_OK
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#define W_OK 2
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#define R_OK 4
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#define RW_OK 6
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#define F_LOCK _LK_LOCK
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#define F_ULOCK _LK_UNLCK
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namespace folly {
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namespace portability {
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namespace unistd {
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int access(char const* fn, int am);
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int chdir(const char* path);
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int close(int fh);
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int dup(int fh);
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int dup2(int fhs, int fhd);
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int fsync(int fd);
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int ftruncate(int fd, off_t len);
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char* getcwd(char* buf, int sz);
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int getdtablesize();
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int getgid();
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pid_t getpid();
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pid_t getppid();
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int getuid();
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int isatty(int fh);
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int lockf(int fd, int cmd, off_t len);
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off_t lseek(int fh, off_t off, int orig);
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ssize_t read(int fh, void* buf, size_t mcc);
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int rmdir(const char* path);
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int pipe(int pth[2]);
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ssize_t pread(int fd, void* buf, size_t count, off_t offset);
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ssize_t pwrite(int fd, const void* buf, size_t count, off_t offset);
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ssize_t readlink(const char* path, char* buf, size_t buflen);
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void* sbrk(intptr_t i);
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unsigned int sleep(unsigned int seconds);
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long sysconf(int tp);
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int truncate(const char* path, off_t len);
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int usleep(unsigned int ms);
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ssize_t write(int fh, void const* buf, size_t count);
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} // namespace unistd
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} // namespace portability
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} // namespace folly
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/* using override */ using namespace folly::portability::unistd;
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#endif
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