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Implement a new module command that is called right before cosing the virtual machine to allow modules to release resources manually.

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Should fix a possible crash in the IRC plugin which was caused by the Session destructor to be called recursively when cleaned automatically by the VM.
This commit is contained in:
Sandu Liviu Catalin
2016-09-02 14:11:39 +03:00
parent e23e5d0a05
commit e445530bbb
11 changed files with 104 additions and 2 deletions
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15
modules/irc/Module.cpp
View File

@@ -99,6 +99,15 @@ static void OnSquirrelTerminate()
NullFunction().ReleaseGently();
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Terminate all sessions, if any
SessionTerminate();
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -106,8 +115,6 @@ static void OnSquirrelReleased()
{
// Release the current virtual machine, if any
DefaultVM::Set(nullptr);
// Terminate all sessions, if any
SessionTerminate();
}
/* ------------------------------------------------------------------------------------------------
@@ -141,6 +148,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

2
modules/irc/Session.cpp
View File

@@ -202,7 +202,9 @@ void Session::Destroy()
{
// Make sure there's even a session to release
if (!m_Session)
{
return;
}
// Disconnect the session
Disconnect();
// Break the association with this instance (paranoia)

12
modules/json/Module.cpp
View File

@@ -102,6 +102,14 @@ static void OnSquirrelTerminate()
NullFunction().ReleaseGently();
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -142,6 +150,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/mg/Module.cpp
View File

@@ -186,6 +186,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -226,6 +234,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/mmdb/Module.cpp
View File

@@ -78,6 +78,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -118,6 +126,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/mysql/Module.cpp
View File

@@ -95,6 +95,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -135,6 +143,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/sample/Module.cpp
View File

@@ -89,6 +89,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -129,6 +137,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/sqlite/Module.cpp
View File

@@ -99,6 +99,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -139,6 +147,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();

12
modules/xml/Module.cpp
View File

@@ -377,6 +377,14 @@ static void OnSquirrelTerminate()
// Release script resources...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined is about to be closed. Last chance to release anything manually.
*/
static void OnSquirrelClosing()
{
// Nothing to release manually...
}
/* ------------------------------------------------------------------------------------------------
* The virtual machined was closed and all memory associated with it was released.
*/
@@ -417,6 +425,10 @@ static uint8_t OnPluginCommand(uint32_t command_identifier, CCStr message)
{
OnSquirrelTerminate();
} break;
case SQMOD_CLOSING_CMD:
{
OnSquirrelClosing();
} break;
case SQMOD_RELEASED_CMD:
{
OnSquirrelReleased();