diff options
Diffstat (limited to 'Source/Kernel/TaskManager/Thread.class.cpp')
| -rw-r--r-- | Source/Kernel/TaskManager/Thread.class.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Source/Kernel/TaskManager/Thread.class.cpp b/Source/Kernel/TaskManager/Thread.class.cpp index 315eae2..98fa32d 100644 --- a/Source/Kernel/TaskManager/Thread.class.cpp +++ b/Source/Kernel/TaskManager/Thread.class.cpp @@ -52,6 +52,7 @@ void runThread(Thread* thread, void* data, thread_entry_t entry_point) { } Thread::Thread() : Ressource(TH_IFACE_OBJTYPE) { //Private constructor, does nothing + m_xchgspace = 0; } Thread::Thread(thread_entry_t entry_point, void* data, bool iskernel) : Ressource(TH_IFACE_OBJTYPE) { @@ -69,10 +70,13 @@ Thread::Thread(Process* process, thread_entry_t entry_point, void* data) : Resso Thread::~Thread() { Task::unregisterThread(this); Mem::free(m_kernelStack.addr); + m_process->getPagedir()->switchTo(); if (m_userStack.addr != 0) { - m_process->getPagedir()->switchTo(); m_process->heap().free(m_userStack.addr); } + if (m_xchgspace != 0) { + m_process->heap().free(m_xchgspace); + } //Don't unregister thread in process, it has probably already been done } @@ -80,6 +84,7 @@ void Thread::setup(Process* process, thread_entry_t entry_point, void* data, boo addCall1(TH_IFACE_SLEEP, (call1)&Thread::sleepSC); addCall1(TH_IFACE_FINISH, (call1)&Thread::finishSC); + m_xchgspace = 0; m_isKernel = isKernel; m_process = process; m_kernelStack.addr = Mem::alloc(STACKSIZE); @@ -181,6 +186,12 @@ u32int Thread::getEip() { return m_eip; } Process* Thread::getProcess() { return m_process; } +void* Thread::mkXchgSpace(u32int sz) { + if (m_xchgspace != 0) m_process->heap().free(m_xchgspace); + m_xchgspace = m_process->heap().alloc(sz); + return m_xchgspace; +} + void Thread::sleep(u32int msecs) { m_state = T_SLEEPING; waitfor.m_time = Time::time() + msecs; |