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Carla
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Rework some plugin bridge code to play more on the safe side

tags/1.9.7
falkTX 9 years ago
parent
fd2dba8ea7
commit
8c23d24631
8 changed files with 139 additions and 177 deletions
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  1. +18
    -15
      source/backend/engine/CarlaEngineBridge.cpp
  2. +13
    -20
      source/backend/plugin/CarlaPluginBridge.cpp
  3. +3
    -3
      source/jackbridge/JackBridge.hpp
  4. +21
    -34
      source/jackbridge/JackBridge2.cpp
  5. +5
    -5
      source/jackbridge/JackBridgeExport.cpp
  6. +3
    -3
      source/jackbridge/JackBridgeExport.hpp
  7. +51
    -77
      source/utils/CarlaSemUtils.hpp
  8. +25
    -20
      source/utils/CarlaShmUtils.hpp

+ 18
- 15
source/backend/engine/CarlaEngineBridge.cpp View File

@@ -162,18 +162,18 @@ struct BridgeRtClientControl : public CarlaRingBufferControl<SmallStackBuffer> {
setRingBuffer(nullptr, false);
}

bool postClient() noexcept
void postClient() noexcept
{
CARLA_SAFE_ASSERT_RETURN(data != nullptr, false);
CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

return jackbridge_sem_post(&data->sem.client);
jackbridge_sem_post(&data->sem.client);
}

bool waitForServer(const uint secs, bool* const timedOut) noexcept
bool waitForServer(const uint secs) noexcept
{
CARLA_SAFE_ASSERT_RETURN(data != nullptr, false);

return jackbridge_sem_timedwait(&data->sem.server, secs, timedOut);
return jackbridge_sem_timedwait(&data->sem.server, secs);
}

PluginBridgeRtClientOpcode readOpcode() noexcept
@@ -1203,18 +1203,20 @@ public:
protected:
void run() override
{
bool timedOut, quitReceived = false;
bool timedOut = false;
bool quitReceived = false;

for (; ! shouldThreadExit();)
{
if (! fShmRtClientControl.waitForServer(5, &timedOut))
if (! fShmRtClientControl.waitForServer(5))
{
/*
* As a special case we ignore timeouts for plugin bridges.
* Some big Windows plugins (Kontakt, FL Studio VST) can time out when initializing or doing UI stuff.
* If any other error happens the plugin bridge is stopped.
*/
if (timedOut) continue;
// Give engine 1 more change to catch up.
if (! timedOut)
{
carla_stderr2("Bridge timed-out, giving it one more chance");
timedOut = true;
continue;
}

carla_stderr2("Bridge timed-out, final post...");
fShmRtClientControl.postClient();
@@ -1223,6 +1225,8 @@ protected:
break;
}

timedOut = false;

for (; fShmRtClientControl.isDataAvailableForReading();)
{
const PluginBridgeRtClientOpcode opcode(fShmRtClientControl.readOpcode());
@@ -1501,8 +1505,7 @@ protected:
}
}

if (! fShmRtClientControl.postClient())
carla_stderr2("Could not post to client rt semaphore");
fShmRtClientControl.postClient();
}

callback(ENGINE_CALLBACK_ENGINE_STOPPED, 0, 0, 0, 0.0f, nullptr);


+ 13
- 20
source/backend/plugin/CarlaPluginBridge.cpp View File

@@ -50,14 +50,14 @@ struct BridgeAudioPool {
CarlaString filename;
std::size_t size;
float* data;
shm_t shm;
carla_shm_t shm;

BridgeAudioPool() noexcept
: filename(),
size(0),
data(nullptr)
#ifdef CARLA_PROPER_CPP11_SUPPORT
, shm(shm_t_INIT) {}
, shm(carla_shm_t_INIT) {}
#else
{
carla_shm_init(shm);
@@ -131,14 +131,14 @@ struct BridgeRtClientControl : public CarlaRingBufferControl<SmallStackBuffer> {
BridgeRtClientData* data;
CarlaString filename;
bool needsSemDestroy;
shm_t shm;
carla_shm_t shm;

BridgeRtClientControl()
: data(nullptr),
filename(),
needsSemDestroy(false)
#ifdef CARLA_PROPER_CPP11_SUPPORT
, shm(shm_t_INIT) {}
, shm(carla_shm_t_INIT) {}
#else
{
carla_shm_init(shm);
@@ -241,13 +241,13 @@ struct BridgeRtClientControl : public CarlaRingBufferControl<SmallStackBuffer> {
setRingBuffer(nullptr, false);
}

bool waitForClient(const uint secs, bool* const timedOut) noexcept
bool waitForClient(const uint secs) noexcept
{
CARLA_SAFE_ASSERT_RETURN(data != nullptr, false);

jackbridge_sem_post(&data->sem.server);

return jackbridge_sem_timedwait(&data->sem.client, secs, timedOut);
return jackbridge_sem_timedwait(&data->sem.client, secs);
}

void writeOpcode(const PluginBridgeRtClientOpcode opcode) noexcept
@@ -264,14 +264,14 @@ struct BridgeNonRtClientControl : public CarlaRingBufferControl<BigStackBuffer>
BridgeNonRtClientData* data;
CarlaString filename;
CarlaMutex mutex;
shm_t shm;
carla_shm_t shm;

BridgeNonRtClientControl() noexcept
: data(nullptr),
filename(),
mutex()
#ifdef CARLA_PROPER_CPP11_SUPPORT
, shm(shm_t_INIT) {}
, shm(carla_shm_t_INIT) {}
#else
{
carla_shm_init(shm);
@@ -379,13 +379,13 @@ struct BridgeNonRtClientControl : public CarlaRingBufferControl<BigStackBuffer>
struct BridgeNonRtServerControl : public CarlaRingBufferControl<HugeStackBuffer> {
BridgeNonRtServerData* data;
CarlaString filename;
shm_t shm;
carla_shm_t shm;

BridgeNonRtServerControl() noexcept
: data(nullptr),
filename()
#ifdef CARLA_PROPER_CPP11_SUPPORT
, shm(shm_t_INIT) {}
, shm(carla_shm_t_INIT) {}
#else
{
carla_shm_init(shm);
@@ -2655,18 +2655,11 @@ private:
CARLA_SAFE_ASSERT_RETURN(! fTimedOut,);
CARLA_SAFE_ASSERT_RETURN(! fTimedError,);

if (fShmRtClientControl.waitForClient(secs, &fTimedOut))
if (fShmRtClientControl.waitForClient(secs))
return;

if (fTimedOut)
{
carla_stderr("waitForClient(%s) timeout here", action);
}
else
{
fTimedError = true;
carla_stderr("waitForClient(%s) error while waiting", action);
}
fTimedOut = true;
carla_stderr("waitForClient(%s) timeout here", action);
}

CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginBridge)


+ 3
- 3
source/jackbridge/JackBridge.hpp View File

@@ -392,13 +392,13 @@ __cdecl bool jackbridge_set_property_change_callback(jack_client_t* client, Jack

__cdecl bool jackbridge_sem_init(void* sem) noexcept;
__cdecl void jackbridge_sem_destroy(void* sem) noexcept;
__cdecl bool jackbridge_sem_post(void* sem) noexcept;
__cdecl bool jackbridge_sem_timedwait(void* sem, uint secs, bool* timedOut) noexcept;
__cdecl void jackbridge_sem_post(void* sem) noexcept;
__cdecl bool jackbridge_sem_timedwait(void* sem, uint secs) noexcept;

__cdecl bool jackbridge_shm_is_valid(const void* shm) noexcept;
__cdecl void jackbridge_shm_init(void* shm) noexcept;
__cdecl void jackbridge_shm_attach(void* shm, const char* name) noexcept;
__cdecl void jackbridge_shm_close(void* shm) noexcept;
__cdecl void* jackbridge_shm_map(void* shm, size_t size) noexcept;
__cdecl void* jackbridge_shm_map(void* shm, uint64_t size) noexcept;

#endif // JACKBRIDGE_HPP_INCLUDED

+ 21
- 34
source/jackbridge/JackBridge2.cpp View File

@@ -19,7 +19,6 @@
#ifdef JACKBRIDGE_DUMMY
# include "CarlaUtils.hpp"
#else
# include <cerrno>
# include "CarlaSemUtils.hpp"
# include "CarlaShmUtils.hpp"
#endif // ! JACKBRIDGE_DUMMY
@@ -28,51 +27,39 @@

bool jackbridge_sem_init(void* sem) noexcept
{
#ifdef JACKBRIDGE_DUMMY
return false;
#else
sem_t* const sema(carla_sem_create());
CARLA_SAFE_ASSERT_RETURN(sema != nullptr, false);

# ifdef CARLA_OS_MAC
std::memcpy(sem, &sema, sizeof(sem_t*));
# else
std::memcpy(sem, sema, sizeof(sem_t));
# endif
return (sema != nullptr);
CARLA_SAFE_ASSERT_RETURN(sem != nullptr, false);

#ifndef JACKBRIDGE_DUMMY
return carla_sem_create2(*(carla_sem_t*)sem);
#endif
}

void jackbridge_sem_destroy(void* sem) noexcept
{
CARLA_SAFE_ASSERT_RETURN(sem != nullptr,);

#ifndef JACKBRIDGE_DUMMY
carla_sem_destroy((sem_t*)sem);
carla_sem_destroy2(*(carla_sem_t*)sem);
#endif
}

bool jackbridge_sem_post(void* sem) noexcept
void jackbridge_sem_post(void* sem) noexcept
{
#ifdef JACKBRIDGE_DUMMY
return false;
#else
return carla_sem_post((sem_t*)sem);
CARLA_SAFE_ASSERT_RETURN(sem != nullptr,);
#ifndef JACKBRIDGE_DUMMY
carla_sem_post(*(carla_sem_t*)sem);
#endif
}

bool jackbridge_sem_timedwait(void* sem, uint secs, bool* timedOut) noexcept
bool jackbridge_sem_timedwait(void* sem, uint secs) noexcept
{
CARLA_SAFE_ASSERT_RETURN(timedOut != nullptr, false);
CARLA_SAFE_ASSERT_RETURN(sem != nullptr, false);

#ifdef JACKBRIDGE_DUMMY
return false;
#else
if (carla_sem_timedwait((sem_t*)sem, secs))
{
*timedOut = false;
return true;
}
*timedOut = (errno == ETIMEDOUT);
return false;
return carla_sem_timedwait(*(carla_sem_t*)sem, secs);
#endif
}

@@ -85,7 +72,7 @@ bool jackbridge_shm_is_valid(const void* shm) noexcept
#ifdef JACKBRIDGE_DUMMY
return false;
#else
return carla_is_shm_valid(*(const shm_t*)shm);
return carla_is_shm_valid(*(const carla_shm_t*)shm);
#endif
}

@@ -94,7 +81,7 @@ void jackbridge_shm_init(void* shm) noexcept
CARLA_SAFE_ASSERT_RETURN(shm != nullptr,);

#ifndef JACKBRIDGE_DUMMY
carla_shm_init(*(shm_t*)shm);
carla_shm_init(*(carla_shm_t*)shm);
#endif
}

@@ -103,7 +90,7 @@ void jackbridge_shm_attach(void* shm, const char* name) noexcept
CARLA_SAFE_ASSERT_RETURN(shm != nullptr,);

#ifndef JACKBRIDGE_DUMMY
*(shm_t*)shm = carla_shm_attach(name);
*(carla_shm_t*)shm = carla_shm_attach(name);
#endif
}

@@ -112,18 +99,18 @@ void jackbridge_shm_close(void* shm) noexcept
CARLA_SAFE_ASSERT_RETURN(shm != nullptr,);

#ifndef JACKBRIDGE_DUMMY
carla_shm_close(*(shm_t*)shm);
carla_shm_close(*(carla_shm_t*)shm);
#endif
}

void* jackbridge_shm_map(void* shm, size_t size) noexcept
void* jackbridge_shm_map(void* shm, uint64_t size) noexcept
{
CARLA_SAFE_ASSERT_RETURN(shm != nullptr, nullptr);

#ifdef JACKBRIDGE_DUMMY
return nullptr;
#else
return carla_shm_map(*(shm_t*)shm, size);
return carla_shm_map(*(carla_shm_t*)shm, size);
#endif
}



+ 5
- 5
source/jackbridge/JackBridgeExport.cpp View File

@@ -535,14 +535,14 @@ void jackbridge_sem_destroy(void* sem) noexcept
getBridgeInstance().sem_destroy_ptr(sem);
}

bool jackbridge_sem_post(void* sem) noexcept
void jackbridge_sem_post(void* sem) noexcept
{
return getBridgeInstance().sem_post_ptr(sem);
getBridgeInstance().sem_post_ptr(sem);
}

bool jackbridge_sem_timedwait(void* sem, uint secs, bool* timedOut) noexcept
bool jackbridge_sem_timedwait(void* sem, uint secs) noexcept
{
return getBridgeInstance().sem_timedwait_ptr(sem, secs, timedOut);
return getBridgeInstance().sem_timedwait_ptr(sem, secs);
}

bool jackbridge_shm_is_valid(const void* shm) noexcept
@@ -565,7 +565,7 @@ void jackbridge_shm_close(void* shm) noexcept
return getBridgeInstance().shm_close_ptr(shm);
}

void* jackbridge_shm_map(void* shm, size_t size) noexcept
void* jackbridge_shm_map(void* shm, uint64_t size) noexcept
{
return getBridgeInstance().shm_map_ptr(shm, size);
}


+ 3
- 3
source/jackbridge/JackBridgeExport.hpp View File

@@ -110,13 +110,13 @@ typedef bool (__cdecl *jackbridgesym_remove_all_properties)(jack_client_t* clien
typedef bool (__cdecl *jackbridgesym_set_property_change_callback)(jack_client_t* client, JackPropertyChangeCallback callback, void* arg);
typedef bool (__cdecl *jackbridgesym_sem_init)(void* sem);
typedef void (__cdecl *jackbridgesym_sem_destroy)(void* sem);
typedef bool (__cdecl *jackbridgesym_sem_post)(void* sem);
typedef bool (__cdecl *jackbridgesym_sem_timedwait)(void* sem, uint secs, bool* timedOut);
typedef void (__cdecl *jackbridgesym_sem_post)(void* sem);
typedef bool (__cdecl *jackbridgesym_sem_timedwait)(void* sem, uint secs);
typedef bool (__cdecl *jackbridgesym_shm_is_valid)(const void* shm);
typedef void (__cdecl *jackbridgesym_shm_init)(void* shm);
typedef void (__cdecl *jackbridgesym_shm_attach)(void* shm, const char* name);
typedef void (__cdecl *jackbridgesym_shm_close)(void* shm);
typedef void* (__cdecl *jackbridgesym_shm_map)(void* shm, size_t size);
typedef void* (__cdecl *jackbridgesym_shm_map)(void* shm, uint64_t size);

} // extern "C"



+ 51
- 77
source/utils/CarlaSemUtils.hpp View File

@@ -1,6 +1,6 @@
/*
* Carla semaphore utils
* Copyright (C) 2013-2014 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2013-2015 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -23,110 +23,95 @@
#include <ctime>

#ifdef CARLA_OS_WIN
struct sem_t { HANDLE handle; };
struct carla_sem_t { HANDLE handle; };
#elif defined(CARLA_OS_MAC)
// TODO
struct carla_sem_t { char dummy; };
#else
# include <sys/time.h>
# include <sys/types.h>
# include <semaphore.h>
# ifdef CARLA_OS_MAC
# include <fcntl.h>
extern "C" {
# include "osx_sem_timedwait.c"
};
# endif
struct carla_sem_t { sem_t sem; };
#endif

/*
* Create a new semaphore.
* Create a new semaphore, pre-allocated version.
*/
static inline
sem_t* carla_sem_create() noexcept
bool carla_sem_create2(carla_sem_t& sem) noexcept
{
#if defined(CARLA_OS_WIN)
sem_t* const sem = (sem_t*)std::malloc(sizeof(sem_t));
CARLA_SAFE_ASSERT_RETURN(sem != nullptr, nullptr);

SECURITY_ATTRIBUTES sa;
carla_zeroStruct(sa);
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = TRUE;

sem->handle = ::CreateSemaphore(&sa, 0, 1, nullptr);
sem.handle = ::CreateSemaphore(&sa, 0, 1, nullptr);

return sem;
return (sem.handle != INVALID_HANDLE_VALUE);
#elif defined(CARLA_OS_MAC)
static ulong sCounter = 0;

if (++sCounter == 1)
std::srand(static_cast<uint>(std::time(nullptr)));

char strBuf[0xff+1];
carla_zeroChars(strBuf, 0xff+1);
std::snprintf(strBuf, 0xff, "carla-sem-%lu-%lu-%i", static_cast<ulong>(::getpid()), sCounter, std::rand());

::sem_unlink(strBuf);

return ::sem_open(strBuf, O_CREAT, O_RDWR, 0);
return false; // TODO
#else
sem_t sem;

if (::sem_init(&sem, 1, 0) != 0)
return nullptr;
return (::sem_init(&sem.sem, 1, 0) == 0);
#endif
}

// can't return temporary variable, so allocate a new one
if (sem_t* const sem2 = (sem_t*)std::malloc(sizeof(sem_t)))
/*
* Create a new semaphore.
*/
static inline
carla_sem_t* carla_sem_create() noexcept
{
if (carla_sem_t* const sem = (carla_sem_t*)std::malloc(sizeof(carla_sem_t)))
{
std::memcpy(sem2, &sem, sizeof(sem_t));
return sem2;
if (carla_sem_create2(*sem))
return sem;

std::free(sem);
}

::sem_destroy(&sem);
return nullptr;
#endif
}

/*
* Destroy a semaphore.
* Destroy a semaphore, pre-allocated version.
*/
static inline
void carla_sem_destroy(sem_t* const sem) noexcept
void carla_sem_destroy2(carla_sem_t& sem) noexcept
{
CARLA_SAFE_ASSERT_RETURN(sem != nullptr,);

#if defined(CARLA_OS_WIN)
::CloseHandle(sem->handle);
std::free(sem);
::CloseHandle(sem.handle);
#elif defined(CARLA_OS_MAC)
::sem_close(sem);
// TODO
#else
// we can't call "sem_destroy(sem)" directly because it will free memory which we allocated during carla_sem_create()
// so we create a temp variable, free our memory, and finally pass the temp variable to sem_destroy()

// temp var
sem_t sem2;
std::memcpy(&sem2, sem, sizeof(sem_t));
::sem_destroy(&sem.sem);
#endif
}

// destroy semaphore
::sem_destroy(&sem2);
/*
* Destroy a semaphore.
*/
static inline
void carla_sem_destroy(carla_sem_t* const sem) noexcept
{
CARLA_SAFE_ASSERT_RETURN(sem != nullptr,);

// free memory allocated in carla_sem_create()
// FIXME
//std::free(sem);
#endif
carla_sem_destroy2(*sem);
std::free(sem);
}

/*
* Post semaphore (unlock).
*/
static inline
bool carla_sem_post(sem_t* const sem) noexcept
void carla_sem_post(carla_sem_t& sem) noexcept
{
CARLA_SAFE_ASSERT_RETURN(sem != nullptr, false);

#ifdef CARLA_OS_WIN
return (::ReleaseSemaphore(sem->handle, 1, nullptr) != FALSE);
::ReleaseSemaphore(sem.handle, 1, nullptr);
#elif defined(CARLA_OS_MAC)
// TODO
#else
return (::sem_post(sem) == 0);
::sem_post(&sem.sem);
#endif
}

@@ -134,25 +119,14 @@ bool carla_sem_post(sem_t* const sem) noexcept
* Wait for a semaphore (lock).
*/
static inline
bool carla_sem_timedwait(sem_t* const sem, const uint secs) noexcept
bool carla_sem_timedwait(carla_sem_t& sem, const uint secs) noexcept
{
CARLA_SAFE_ASSERT_RETURN(sem != nullptr, false);
CARLA_SAFE_ASSERT_RETURN(secs > 0, false);

#if defined(CARLA_OS_WIN)
const DWORD result = ::WaitForSingleObject(sem->handle, secs*1000);

switch (result)
{
case WAIT_OBJECT_0:
return true;
case WAIT_TIMEOUT:
errno = ETIMEDOUT;
return false;
default:
errno = EINTR;
return false;
}
return (::WaitForSingleObject(sem.handle, secs*1000) == WAIT_OBJECT_0);
#elif defined(CARLA_OS_MAC)
// TODO
#else
timespec timeout;
# ifdef CARLA_OS_LINUX
@@ -166,7 +140,7 @@ bool carla_sem_timedwait(sem_t* const sem, const uint secs) noexcept
timeout.tv_sec += static_cast<time_t>(secs);

try {
return (::sem_timedwait(sem, &timeout) == 0);
return (::sem_timedwait(&sem.sem, &timeout) == 0);
} CARLA_SAFE_EXCEPTION_RETURN("sem_timedwait", false);
#endif
}


+ 25
- 20
source/utils/CarlaShmUtils.hpp View File

@@ -1,6 +1,6 @@
/*
* Carla shared memory utils
* Copyright (C) 2013-2014 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2013-2015 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -21,14 +21,16 @@
#include "CarlaUtils.hpp"

#ifdef CARLA_OS_WIN
struct shm_t { HANDLE map; bool isServer; const char* filename; };
# define shm_t_INIT { INVALID_HANDLE_VALUE, true, nullptr }
struct carla_shm_t { HANDLE map; bool isServer; const char* filename; };
# define carla_shm_t_INIT { INVALID_HANDLE_VALUE, true, nullptr }
#else
# include <cerrno>
# ifndef __WINE__
# include <cerrno>
# endif
# include <fcntl.h>
# include <sys/mman.h>
struct shm_t { int fd; const char* filename; std::size_t size; };
# define shm_t_INIT { -1, nullptr, 0 }
struct carla_shm_t { int fd; const char* filename; std::size_t size; };
# define carla_shm_t_INIT { -1, nullptr, 0 }
#endif

// -----------------------------------------------------------------------
@@ -37,13 +39,13 @@ struct shm_t { int fd; const char* filename; std::size_t size; };
/*
* Null object returned when a shared memory operation fails.
*/
static const shm_t gNullCarlaShm = shm_t_INIT;
static const carla_shm_t gNullCarlaShm = carla_shm_t_INIT;

/*
* Check if a shared memory object is valid.
*/
static inline
bool carla_is_shm_valid(const shm_t& shm) noexcept
bool carla_is_shm_valid(const carla_shm_t& shm) noexcept
{
#ifdef CARLA_OS_WIN
return (shm.filename != nullptr);
@@ -56,7 +58,7 @@ bool carla_is_shm_valid(const shm_t& shm) noexcept
* Initialize a shared memory object to an invalid state.
*/
static inline
void carla_shm_init(shm_t& shm) noexcept
void carla_shm_init(carla_shm_t& shm) noexcept
{
shm = gNullCarlaShm;
}
@@ -66,11 +68,11 @@ void carla_shm_init(shm_t& shm) noexcept
* Returns an invalid object if the operation failed or the filename already exists.
*/
static inline
shm_t carla_shm_create(const char* const filename) noexcept
carla_shm_t carla_shm_create(const char* const filename) noexcept
{
CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', gNullCarlaShm);

shm_t ret;
carla_shm_t ret;

#ifdef CARLA_OS_WIN
ret.map = INVALID_HANDLE_VALUE;
@@ -98,11 +100,11 @@ shm_t carla_shm_create(const char* const filename) noexcept
* Attach to an existing shared memory object.
*/
static inline
shm_t carla_shm_attach(const char* const filename) noexcept
carla_shm_t carla_shm_attach(const char* const filename) noexcept
{
CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', gNullCarlaShm);

shm_t ret;
carla_shm_t ret;

#ifdef CARLA_OS_WIN
ret.map = INVALID_HANDLE_VALUE;
@@ -123,7 +125,7 @@ shm_t carla_shm_attach(const char* const filename) noexcept
* Close a shared memory object and invalidate it.
*/
static inline
void carla_shm_close(shm_t& shm) noexcept
void carla_shm_close(carla_shm_t& shm) noexcept
{
CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm),);
#ifdef CARLA_OS_WIN
@@ -153,7 +155,7 @@ void carla_shm_close(shm_t& shm) noexcept
* @note One shared memory object can only have one mapping at a time.
*/
static inline
void* carla_shm_map(shm_t& shm, const std::size_t size) noexcept
void* carla_shm_map(carla_shm_t& shm, const std::size_t size) noexcept
{
CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm), nullptr);
CARLA_SAFE_ASSERT_RETURN(size > 0, nullptr);
@@ -210,7 +212,7 @@ void* carla_shm_map(shm_t& shm, const std::size_t size) noexcept
* Unmap a shared memory object address.
*/
static inline
void carla_shm_unmap(shm_t& shm, void* const ptr) noexcept
void carla_shm_unmap(carla_shm_t& shm, void* const ptr) noexcept
{
CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm),);
CARLA_SAFE_ASSERT_RETURN(ptr != nullptr,);
@@ -237,6 +239,7 @@ void carla_shm_unmap(shm_t& shm, void* const ptr) noexcept
} CARLA_SAFE_EXCEPTION("carla_shm_unmap");
}

#ifndef __WINE__
// -----------------------------------------------------------------------
// advanced calls

@@ -245,7 +248,7 @@ void carla_shm_unmap(shm_t& shm, void* const ptr) noexcept
* Will keep trying until a free random filename is obtained.
*/
static inline
shm_t carla_shm_create_temp(char* const fileBase) noexcept
carla_shm_t carla_shm_create_temp(char* const fileBase) noexcept
{
// check if the fileBase name is valid
CARLA_SAFE_ASSERT_RETURN(fileBase != nullptr, gNullCarlaShm);
@@ -269,7 +272,7 @@ shm_t carla_shm_create_temp(char* const fileBase) noexcept
fileBase[c] = charSet[std::rand() % charSetLen];

// (try to) create new shm for this filename
const shm_t shm = carla_shm_create(fileBase);
const carla_shm_t shm = carla_shm_create(fileBase);

// all ok!
if (carla_is_shm_valid(shm))
@@ -298,7 +301,7 @@ shm_t carla_shm_create_temp(char* const fileBase) noexcept
*/
template<typename T>
static inline
T* carla_shm_map(shm_t& shm) noexcept
T* carla_shm_map(carla_shm_t& shm) noexcept
{
return (T*)carla_shm_map(shm, sizeof(T));
}
@@ -308,7 +311,7 @@ T* carla_shm_map(shm_t& shm) noexcept
*/
template<typename T>
static inline
bool carla_shm_map(shm_t& shm, T*& value) noexcept
bool carla_shm_map(carla_shm_t& shm, T*& value) noexcept
{
value = (T*)carla_shm_map(shm, sizeof(T));
return (value != nullptr);
@@ -316,4 +319,6 @@ bool carla_shm_map(shm_t& shm, T*& value) noexcept

// -----------------------------------------------------------------------

#endif // __WINE__

#endif // CARLA_SHM_UTILS_HPP_INCLUDED

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