/*
    Copyright 2005-2013 Intel Corporation.  All Rights Reserved.

    This file is part of Threading Building Blocks.

    Threading Building Blocks is free software; you can redistribute it
    and/or modify it under the terms of the GNU General Public License
    version 2 as published by the Free Software Foundation.

    Threading Building Blocks is distributed in the hope that it will be
    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Threading Building Blocks; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    As a special exception, you may use this file as part of a free software
    library without restriction.  Specifically, if other files instantiate
    templates or use macros or inline functions from this file, or you compile
    this file and link it with other files to produce an executable, this
    file does not by itself cause the resulting executable to be covered by
    the GNU General Public License.  This exception does not however
    invalidate any other reasons why the executable file might be covered by
    the GNU General Public License.
*/

#ifndef _ITTNOTIFY_CONFIG_H_
#define _ITTNOTIFY_CONFIG_H_

/** @cond exclude_from_documentation */
#ifndef ITT_OS_WIN
#  define ITT_OS_WIN   1
#endif /* ITT_OS_WIN */

#ifndef ITT_OS_LINUX
#  define ITT_OS_LINUX 2
#endif /* ITT_OS_LINUX */

#ifndef ITT_OS_MAC
#  define ITT_OS_MAC   3
#endif /* ITT_OS_MAC */

#ifndef ITT_OS
#  if defined WIN32 || defined _WIN32
#    define ITT_OS ITT_OS_WIN
#  elif defined( __APPLE__ ) && defined( __MACH__ )
#    define ITT_OS ITT_OS_MAC
#  else
#    define ITT_OS ITT_OS_LINUX
#  endif
#endif /* ITT_OS */

#ifndef ITT_PLATFORM_WIN
#  define ITT_PLATFORM_WIN 1
#endif /* ITT_PLATFORM_WIN */

#ifndef ITT_PLATFORM_POSIX
#  define ITT_PLATFORM_POSIX 2
#endif /* ITT_PLATFORM_POSIX */

#ifndef ITT_PLATFORM
#  if ITT_OS==ITT_OS_WIN
#    define ITT_PLATFORM ITT_PLATFORM_WIN
#  else
#    define ITT_PLATFORM ITT_PLATFORM_POSIX
#  endif /* _WIN32 */
#endif /* ITT_PLATFORM */

#if defined(_UNICODE) && !defined(UNICODE)
#define UNICODE
#endif

#include <stddef.h>
#if ITT_PLATFORM==ITT_PLATFORM_WIN
#include <tchar.h>
#else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#include <stdint.h>
#if defined(UNICODE) || defined(_UNICODE)
#include <wchar.h>
#endif /* UNICODE || _UNICODE */
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */

#ifndef CDECL
#  if ITT_PLATFORM==ITT_PLATFORM_WIN
#    define CDECL __cdecl
#  else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#    if defined _M_X64 || defined _M_AMD64 || defined __x86_64__
#      define CDECL /* not actual on x86_64 platform */
#    else  /* _M_X64 || _M_AMD64 || __x86_64__ */
#      define CDECL __attribute__ ((cdecl))
#    endif /* _M_X64 || _M_AMD64 || __x86_64__ */
#  endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#endif /* CDECL */

#ifndef STDCALL
#  if ITT_PLATFORM==ITT_PLATFORM_WIN
#    define STDCALL __stdcall
#  else /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#    if defined _M_X64 || defined _M_AMD64 || defined __x86_64__
#      define STDCALL /* not supported on x86_64 platform */
#    else  /* _M_X64 || _M_AMD64 || __x86_64__ */
#      define STDCALL __attribute__ ((stdcall))
#    endif /* _M_X64 || _M_AMD64 || __x86_64__ */
#  endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#endif /* STDCALL */

#define ITTAPI    CDECL
#define LIBITTAPI CDECL

/* TODO: Temporary for compatibility! */
#define ITTAPI_CALL    CDECL
#define LIBITTAPI_CALL CDECL

#if ITT_PLATFORM==ITT_PLATFORM_WIN
/* use __forceinline (VC++ specific) */
#define INLINE           __forceinline
#define INLINE_ATTRIBUTE /* nothing */
#else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
/*
 * Generally, functions are not inlined unless optimization is specified.
 * For functions declared inline, this attribute inlines the function even
 * if no optimization level was specified.
 */
#ifdef __STRICT_ANSI__
#define INLINE           static
#else  /* __STRICT_ANSI__ */
#define INLINE           static inline
#endif /* __STRICT_ANSI__ */
#define INLINE_ATTRIBUTE __attribute__ ((always_inline))
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
/** @endcond */

#ifndef ITT_ARCH_IA32
#  define ITT_ARCH_IA32  1
#endif /* ITT_ARCH_IA32 */

#ifndef ITT_ARCH_IA32E
#  define ITT_ARCH_IA32E 2
#endif /* ITT_ARCH_IA32E */

#ifndef ITT_ARCH_IA64
#  define ITT_ARCH_IA64  3
#endif /* ITT_ARCH_IA64 */

#ifndef ITT_ARCH
#  if defined _M_X64 || defined _M_AMD64 || defined __x86_64__
#    define ITT_ARCH ITT_ARCH_IA32E
#  elif defined _M_IA64 || defined __ia64
#    define ITT_ARCH ITT_ARCH_IA64
#  else
#    define ITT_ARCH ITT_ARCH_IA32
#  endif
#endif

#ifdef __cplusplus
#  define ITT_EXTERN_C extern "C"
#else
#  define ITT_EXTERN_C /* nothing */
#endif /* __cplusplus */

#define ITT_TO_STR_AUX(x) #x
#define ITT_TO_STR(x)     ITT_TO_STR_AUX(x)

#define __ITT_BUILD_ASSERT(expr, suffix) do { static char __itt_build_check_##suffix[(expr) ? 1 : -1]; __itt_build_check_##suffix[0] = 0; } while(0)
#define _ITT_BUILD_ASSERT(expr, suffix)  __ITT_BUILD_ASSERT((expr), suffix)
#define ITT_BUILD_ASSERT(expr)           _ITT_BUILD_ASSERT((expr), __LINE__)

#define ITT_MAGIC { 0xED, 0xAB, 0xAB, 0xEC, 0x0D, 0xEE, 0xDA, 0x30 }

/* Replace with snapshot date YYYYMMDD for promotion build. */
#define API_VERSION_BUILD    20111111

#ifndef API_VERSION_NUM
#define API_VERSION_NUM 0.0.0
#endif /* API_VERSION_NUM */

#define API_VERSION "ITT-API-Version " ITT_TO_STR(API_VERSION_NUM) " (" ITT_TO_STR(API_VERSION_BUILD) ")"

/* OS communication functions */
#if ITT_PLATFORM==ITT_PLATFORM_WIN
#include <windows.h>
typedef HMODULE           lib_t;
typedef DWORD             TIDT;
typedef CRITICAL_SECTION  mutex_t;
#define MUTEX_INITIALIZER { 0 }
#define strong_alias(name, aliasname) /* empty for Windows */
#else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
#include <dlfcn.h>
#if defined(UNICODE) || defined(_UNICODE)
#include <wchar.h>
#endif /* UNICODE */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1 /* need for PTHREAD_MUTEX_RECURSIVE */
#endif /* _GNU_SOURCE */
#include <pthread.h>
typedef void*             lib_t;
typedef pthread_t         TIDT;
typedef pthread_mutex_t   mutex_t;
#define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
#define _strong_alias(name, aliasname) extern __typeof (name) aliasname __attribute__ ((alias (#name)));
#define strong_alias(name, aliasname) _strong_alias(name, aliasname)
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */

#if ITT_PLATFORM==ITT_PLATFORM_WIN
#define __itt_get_proc(lib, name) GetProcAddress(lib, name)
#define __itt_mutex_init(mutex)   InitializeCriticalSection(mutex)
#define __itt_mutex_lock(mutex)   EnterCriticalSection(mutex)
#define __itt_mutex_unlock(mutex) LeaveCriticalSection(mutex)
#define __itt_load_lib(name)      LoadLibraryA(name)
#define __itt_unload_lib(handle)  FreeLibrary(handle)
#define __itt_system_error()      (int)GetLastError()
#define __itt_fstrcmp(s1, s2)     lstrcmpA(s1, s2)
#define __itt_fstrlen(s)          lstrlenA(s)
#define __itt_fstrcpyn(s1, s2, l) lstrcpynA(s1, s2, l)
#define __itt_fstrdup(s)          _strdup(s)
#define __itt_thread_id()         GetCurrentThreadId()
#define __itt_thread_yield()      SwitchToThread()
#ifndef ITT_SIMPLE_INIT
INLINE int __itt_interlocked_increment(volatile long* ptr)
{
    return InterlockedIncrement(ptr);
}
#endif /* ITT_SIMPLE_INIT */
#else /* ITT_PLATFORM!=ITT_PLATFORM_WIN */
#define __itt_get_proc(lib, name) dlsym(lib, name)
#define __itt_mutex_init(mutex)   \
    {                                                                                        \
        pthread_mutexattr_t mutex_attr;                                                      \
        int error_code = pthread_mutexattr_init(&mutex_attr);                                \
        if (error_code)                                                                      \
            __itt_report_error(__itt_error_system, "pthread_mutexattr_init", error_code);    \
        error_code = pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE);        \
        if (error_code)                                                                      \
            __itt_report_error(__itt_error_system, "pthread_mutexattr_settype", error_code); \
        error_code = pthread_mutex_init(mutex, &mutex_attr);                                 \
        if (error_code)                                                                      \
            __itt_report_error(__itt_error_system, "pthread_mutex_init", error_code);        \
        error_code = pthread_mutexattr_destroy(&mutex_attr);                                 \
        if (error_code)                                                                      \
            __itt_report_error(__itt_error_system, "pthread_mutexattr_destroy", error_code); \
    }
#define __itt_mutex_lock(mutex)   pthread_mutex_lock(mutex)
#define __itt_mutex_unlock(mutex) pthread_mutex_unlock(mutex)
#define __itt_load_lib(name)      dlopen(name, RTLD_LAZY)
#define __itt_unload_lib(handle)  dlclose(handle)
#define __itt_system_error()      errno
#define __itt_fstrcmp(s1, s2)     strcmp(s1, s2)
#define __itt_fstrlen(s)          strlen(s)
#define __itt_fstrcpyn(s1, s2, l) strncpy(s1, s2, l)
#define __itt_fstrdup(s)          strdup(s)
#define __itt_thread_id()         pthread_self()
#define __itt_thread_yield()      sched_yield()
#if ITT_ARCH==ITT_ARCH_IA64
#ifdef __INTEL_COMPILER
#define __TBB_machine_fetchadd4(addr, val) __fetchadd4_acq((void *)addr, val)
#else  /* __INTEL_COMPILER */
/* TODO: Add Support for not Intel compilers for IA64 */
#endif /* __INTEL_COMPILER */
#else /* ITT_ARCH!=ITT_ARCH_IA64 */
INLINE int __TBB_machine_fetchadd4(volatile void* ptr, long addend)
{
    int result;
    __asm__ __volatile__("lock\nxaddl %0,%1"
                          : "=r"(result),"=m"(*(long*)ptr)
                          : "0"(addend), "m"(*(long*)ptr)
                          : "memory");
    return result;
}
#endif /* ITT_ARCH==ITT_ARCH_IA64 */

#ifndef ITT_SIMPLE_INIT
INLINE int __itt_interlocked_increment(volatile long* ptr)
{
    return __TBB_machine_fetchadd4(ptr, 1) + 1;
}
#endif /* ITT_SIMPLE_INIT */
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */

typedef enum {
    __itt_collection_normal = 0,
    __itt_collection_paused = 1
} __itt_collection_state;

typedef enum {
    __itt_thread_normal  = 0,
    __itt_thread_ignored = 1
} __itt_thread_state;

#pragma pack(push, 8)

typedef struct ___itt_thread_info
{
    const char* nameA; /*!< Copy of original name in ASCII. */
#if defined(UNICODE) || defined(_UNICODE)
    const wchar_t* nameW; /*!< Copy of original name in UNICODE. */
#else  /* UNICODE || _UNICODE */
    void* nameW;
#endif /* UNICODE || _UNICODE */
    TIDT               tid;
    __itt_thread_state state;   /*!< Thread state (paused or normal) */
    int                extra1;  /*!< Reserved to the runtime */
    void*              extra2;  /*!< Reserved to the runtime */
    struct ___itt_thread_info* next;
} __itt_thread_info;

#include "ittnotify_types.h" /* For __itt_group_id definition */

typedef struct ___itt_api_info_20101001
{
    const char*    name;
    void**         func_ptr;
    void*          init_func;
    __itt_group_id group;
}  __itt_api_info_20101001;

typedef struct ___itt_api_info
{
    const char*    name;
    void**         func_ptr;
    void*          init_func;
    void*          null_func;
    __itt_group_id group;
}  __itt_api_info;

struct ___itt_domain;
struct ___itt_string_handle;

typedef struct ___itt_global
{
    unsigned char          magic[8];
    unsigned long          version_major;
    unsigned long          version_minor;
    unsigned long          version_build;
    volatile long          api_initialized;
    volatile long          mutex_initialized;
    volatile long          atomic_counter;
    mutex_t                mutex;
    lib_t                  lib;
    void*                  error_handler;
    const char**           dll_path_ptr;
    __itt_api_info*        api_list_ptr;
    struct ___itt_global*  next;
    /* Joinable structures below */
    __itt_thread_info*     thread_list;
    struct ___itt_domain*  domain_list;
    struct ___itt_string_handle* string_list;
    __itt_collection_state state;
} __itt_global;

#pragma pack(pop)

#define NEW_THREAD_INFO_W(gptr,h,h_tail,t,s,n) { \
    h = (__itt_thread_info*)malloc(sizeof(__itt_thread_info)); \
    if (h != NULL) { \
        h->tid    = t; \
        h->nameA  = NULL; \
        h->nameW  = n ? _wcsdup(n) : NULL; \
        h->state  = s; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->thread_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#define NEW_THREAD_INFO_A(gptr,h,h_tail,t,s,n) { \
    h = (__itt_thread_info*)malloc(sizeof(__itt_thread_info)); \
    if (h != NULL) { \
        h->tid    = t; \
        h->nameA  = n ? __itt_fstrdup(n) : NULL; \
        h->nameW  = NULL; \
        h->state  = s; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->thread_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#define NEW_DOMAIN_W(gptr,h,h_tail,name) { \
    h = (__itt_domain*)malloc(sizeof(__itt_domain)); \
    if (h != NULL) { \
        h->flags  = 0;    /* domain is disabled by default */ \
        h->nameA  = NULL; \
        h->nameW  = name ? _wcsdup(name) : NULL; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->domain_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#define NEW_DOMAIN_A(gptr,h,h_tail,name) { \
    h = (__itt_domain*)malloc(sizeof(__itt_domain)); \
    if (h != NULL) { \
        h->flags  = 0;    /* domain is disabled by default */ \
        h->nameA  = name ? __itt_fstrdup(name) : NULL; \
        h->nameW  = NULL; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->domain_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#define NEW_STRING_HANDLE_W(gptr,h,h_tail,name) { \
    h = (__itt_string_handle*)malloc(sizeof(__itt_string_handle)); \
    if (h != NULL) { \
        h->strA   = NULL; \
        h->strW   = name ? _wcsdup(name) : NULL; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->string_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#define NEW_STRING_HANDLE_A(gptr,h,h_tail,name) { \
    h = (__itt_string_handle*)malloc(sizeof(__itt_string_handle)); \
    if (h != NULL) { \
        h->strA   = name ? __itt_fstrdup(name) : NULL; \
        h->strW   = NULL; \
        h->extra1 = 0;    /* reserved */ \
        h->extra2 = NULL; /* reserved */ \
        h->next   = NULL; \
        if (h_tail == NULL) \
            (gptr)->string_list = h; \
        else \
            h_tail->next = h; \
    } \
}

#endif /* _ITTNOTIFY_CONFIG_H_ */
