mirror of
https://github.com/MariaDB/server.git
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287 lines
9.7 KiB
C++
287 lines
9.7 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
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#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
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#ifndef TOKU_PORTABILITY_H
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#define TOKU_PORTABILITY_H
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#include "config.h"
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// Tokutek portability layer
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#if defined(_MSC_VER) || (defined(__INTEL_COMPILER) && defined(__ICL))
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#define TOKU_WINDOWS 1
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#define DEV_NULL_FILE "NUL"
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# if defined(_WIN64)
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# define TOKU_WINDOWS_32 0
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# define TOKU_WINDOWS_64 1
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# else
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# define TOKU_WINDOWS_32 1
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# define TOKU_WINDOWS_64 2
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#endif
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#else
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#define TOKU_WINDOWS 0
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#define TOKU_WINDOWS_32 0
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#define TOKU_WINDOWS_64 0
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#define DEV_NULL_FILE "/dev/null"
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#endif
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// include here, before they get deprecated
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#include <toku_atomic.h>
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#if TOKU_WINDOWS
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// Windows
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#define DO_GCC_PRAGMA(x) /* Nothing */
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#if defined(__ICL)
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#define __attribute__(x) /* Nothing */
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#endif
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#include <malloc.h>
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#include "toku_stdint.h"
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#ifndef TOKU_OFF_T_DEFINED
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#define TOKU_OFF_T_DEFINED
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typedef int64_t toku_off_t;
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#endif
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#include <direct.h>
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#include <sys/types.h>
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#include "unistd.h"
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#include "misc.h"
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#include "toku_pthread.h"
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#define UNUSED_WARNING(a) a=a /* To make up for missing attributes */
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#define cast_to_typeof(v)
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#elif defined(__INTEL_COMPILER)
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#define DO_GCC_PRAGMA(x) /* Nothing */
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#if defined(__ICC)
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// Intel linux
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#include <alloca.h>
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#include <toku_stdint.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <stdio.h>
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#define static_assert(foo, bar)
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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# define cast_to_typeof(v) (decltype(v))
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#else
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# define cast_to_typeof(v) (__typeof__(v))
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#endif
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#elif defined(__GNUC__)
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// GCC linux
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#define DO_GCC_PRAGMA(x) _Pragma (#x)
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#include <toku_stdint.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#if __FreeBSD__
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#include <stdarg.h>
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#endif
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#if defined(HAVE_ALLOCA_H)
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# include <alloca.h>
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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# include <type_traits>
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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# define cast_to_typeof(v) (decltype(v))
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#else
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# define cast_to_typeof(v) (__typeof__(v))
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#endif
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#else
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#error Not ICC and not GNUC. What compiler?
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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// decltype() here gives a reference-to-pointer instead of just a pointer,
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// just use __typeof__
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# define CAST_FROM_VOIDP(name, value) name = static_cast<__typeof__(name)>(value)
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#else
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# define CAST_FROM_VOIDP(name, value) name = cast_to_typeof(name) (value)
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#endif
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#ifndef TOKU_OFF_T_DEFINED
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#define TOKU_OFF_T_DEFINED
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typedef int64_t toku_off_t;
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#endif
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#include "toku_os.h"
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#include "toku_htod.h"
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#include "toku_assert.h"
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#define UU(x) x __attribute__((__unused__))
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#if defined(__cplusplus) || defined(__cilkplusplus)
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extern "C" {
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#endif
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// Deprecated functions.
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#if !defined(TOKU_ALLOW_DEPRECATED)
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# if defined(__ICL) || defined(__ICC) // Intel Compiler
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# pragma deprecated (creat, fstat, stat, getpid, syscall, sysconf, mkdir, strdup)
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//# pragma poison off_t
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//# pragma poison pthread_attr_t pthread_t
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//# pragma poison pthread_mutexattr_t pthread_mutex_t
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//# pragma poison pthread_condattr_t pthread_cond_t
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//# pragma poison pthread_rwlockattr_t pthread_rwlock_t
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//# pragma poison timespec
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# ifndef DONT_DEPRECATE_WRITES
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# pragma poison write pwrite
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# endif
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# ifndef DONT_DEPRECATE_MALLOC
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# pragma deprecated (malloc, free, realloc)
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# endif
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# ifndef DONT_DEPRECATE_ERRNO
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# pragma deprecated (errno)
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# endif
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# ifndef TOKU_WINDOWS_ALLOW_DEPRECATED
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# pragma poison dup2
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# pragma poison _dup2
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# endif
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# else
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int creat(const char *pathname, mode_t mode) __attribute__((__deprecated__));
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int fstat(int fd, struct stat *buf) __attribute__((__deprecated__));
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int stat(const char *path, struct stat *buf) __attribute__((__deprecated__));
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int getpid(void) __attribute__((__deprecated__));
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# if defined(__FreeBSD__)
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int syscall(int __sysno, ...) __attribute__((__deprecated__));
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# else
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long int syscall(long int __sysno, ...) __attribute__((__deprecated__));
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# endif
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// Sadly, dlmalloc needs sysconf, and on linux this causes trouble with -combine. So let the warnings show up under windows only.
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// long int sysconf(int) __attribute__((__deprecated__));
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int mkdir(const char *pathname, mode_t mode) __attribute__((__deprecated__));
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int dup2(int fd, int fd2) __attribute__((__deprecated__));
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int _dup2(int fd, int fd2) __attribute__((__deprecated__));
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// strdup is a macro in some libraries.
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#undef strdup
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# if defined(__FreeBSD__)
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char* strdup(const char *) __malloc_like __attribute__((__deprecated__));
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# else
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char* strdup(const char *) __THROW __attribute_malloc__ __nonnull ((1)) __attribute__((__deprecated__));
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# endif
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#undef __strdup
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char* __strdup(const char *) __attribute__((__deprecated__));
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# ifndef DONT_DEPRECATE_WRITES
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ssize_t write(int, const void *, size_t) __attribute__((__deprecated__));
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ssize_t pwrite(int, const void *, size_t, off_t) __attribute__((__deprecated__));
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#endif
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# ifndef DONT_DEPRECATE_MALLOC
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# if defined(__FreeBSD__)
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extern void *malloc(size_t) __malloc_like __attribute__((__deprecated__));
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extern void free(void*) __attribute__((__deprecated__));
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extern void *realloc(void*, size_t) __malloc_like __attribute__((__deprecated__));
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# else
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extern void *malloc(size_t) __THROW __attribute__((__deprecated__));
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extern void free(void*) __THROW __attribute__((__deprecated__));
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extern void *realloc(void*, size_t) __THROW __attribute__((__deprecated__));
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# endif
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# endif
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# ifndef DONT_DEPRECATE_ERRNO
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//extern int errno __attribute__((__deprecated__));
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# endif
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#pragma GCC poison u_int8_t
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#pragma GCC poison u_int16_t
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#pragma GCC poison u_int32_t
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#pragma GCC poison u_int64_t
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#pragma GCC poison BOOL
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#pragma GCC poison FALSE
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#pragma GCC poison TRUE
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#pragma GCC poison __sync_fetch_and_add
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#pragma GCC poison __sync_fetch_and_sub
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#pragma GCC poison __sync_fetch_and_or
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#pragma GCC poison __sync_fetch_and_and
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#pragma GCC poison __sync_fetch_and_xor
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#pragma GCC poison __sync_fetch_and_nand
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#pragma GCC poison __sync_add_and_fetch
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#pragma GCC poison __sync_sub_and_fetch
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#pragma GCC poison __sync_or_and_fetch
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#pragma GCC poison __sync_and_and_fetch
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#pragma GCC poison __sync_xor_and_fetch
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#pragma GCC poison __sync_nand_and_fetch
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#pragma GCC poison __sync_bool_compare_and_swap
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#pragma GCC poison __sync_val_compare_and_swap
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#pragma GCC poison __sync_synchronize
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#pragma GCC poison __sync_lock_test_and_set
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#pragma GCC poison __sync_release
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# endif
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#endif
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#if defined(__cplusplus) || defined(__cilkplusplus)
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};
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#endif
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void *os_malloc(size_t) __attribute__((__visibility__("default")));
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void *os_realloc(void*,size_t) __attribute__((__visibility__("default")));
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void os_free(void*) __attribute__((__visibility__("default")));
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// full_pwrite and full_write performs a pwrite, and checks errors. It doesn't return unless all the data was written. */
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void toku_os_full_pwrite (int fd, const void *buf, size_t len, toku_off_t off) __attribute__((__visibility__("default")));
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void toku_os_full_write (int fd, const void *buf, size_t len) __attribute__((__visibility__("default")));
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// os_write returns 0 on success, otherwise an errno.
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ssize_t toku_os_pwrite (int fd, const void *buf, size_t len, toku_off_t off) __attribute__((__visibility__("default")));
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int toku_os_write (int fd, const void *buf, size_t len) __attribute__((__visibility__("default")));
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// wrappers around file system calls
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FILE * toku_os_fdopen(int fildes, const char *mode);
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FILE * toku_os_fopen(const char *filename, const char *mode);
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int toku_os_open(const char *path, int oflag, int mode);
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int toku_os_close(int fd);
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int toku_os_fclose(FILE * stream);
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ssize_t toku_os_read(int fd, void *buf, size_t count);
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ssize_t toku_os_pread(int fd, void *buf, size_t count, off_t offset);
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// wrapper around fsync
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void toku_file_fsync_without_accounting(int fd);
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void toku_file_fsync(int fd);
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int toku_fsync_directory(const char *fname);
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// get the number of fsync calls and the fsync times (total)
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void toku_get_fsync_times(uint64_t *fsync_count, uint64_t *fsync_time);
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// get the number of fsync calls and the fsync times for use by scheduler (subset of total)
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void toku_get_fsync_sched(uint64_t *fsync_count, uint64_t *fsync_time);
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void toku_set_func_fsync (int (*fsync_function)(int));
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void toku_set_func_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t));
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void toku_set_func_full_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t));
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void toku_set_func_write (ssize_t (*)(int, const void *, size_t));
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void toku_set_func_full_write (ssize_t (*)(int, const void *, size_t));
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void toku_set_func_fdopen (FILE * (*)(int, const char *));
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void toku_set_func_fopen (FILE * (*)(const char *, const char *));
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void toku_set_func_open (int (*)(const char *, int, int));
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void toku_set_func_fclose(int (*)(FILE*));
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void toku_set_func_read(ssize_t (*)(int, void *, size_t));
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void toku_set_func_pread (ssize_t (*)(int, void *, size_t, off_t));
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int toku_portability_init(void);
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void toku_portability_destroy(void);
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#endif /* TOKU_PORTABILITY_H */
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