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Updated the kthread compatibility layer with signal support.

This commit is contained in:
Jonas 'Sortie' Termansen 2012-07-06 17:17:45 +02:00
parent c39473157a
commit e7baf6a4b0
2 changed files with 49 additions and 8 deletions
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44
sortix/include/sortix/kernel/kthread.h
View File

@ -1,6 +1,6 @@
/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of Sortix.
@ -26,20 +26,27 @@
#ifndef SORTIX_KTHREAD_H
#define SORTIX_KTHREAD_H
#define GOT_FAKE_KTHREAD
#warning Using noop kthread functions
namespace Sortix {
extern "C" {
typedef unsigned kthread_mutex_t;
const kthread_mutex_t KTHREAD_MUTEX_INITIALIZER = 0;
extern "C" unsigned kthread_mutex_trylock(kthread_mutex_t* mutex);
extern "C" void kthread_mutex_lock(kthread_mutex_t* mutex);
extern "C" void kthread_mutex_unlock(kthread_mutex_t* mutex);
unsigned kthread_mutex_trylock(kthread_mutex_t* mutex);
void kthread_mutex_lock(kthread_mutex_t* mutex);
unsigned long kthread_mutex_lock_signal(kthread_mutex_t* mutex);
void kthread_mutex_unlock(kthread_mutex_t* mutex);
typedef unsigned kthread_cond_t;
const kthread_cond_t KTHREAD_COND_INITIALIZER = 0;
extern "C" void kthread_cond_wait(kthread_cond_t* cond, kthread_mutex_t* mutex);
extern "C" void kthread_cond_signal(kthread_cond_t* cond);
extern "C" void kthread_cond_broadcast(kthread_cond_t* cond);
void kthread_cond_wait(kthread_cond_t* cond, kthread_mutex_t* mutex);
unsigned long kthread_cond_wait_signal(kthread_cond_t* cond, kthread_mutex_t* mutex);
void kthread_cond_signal(kthread_cond_t* cond);
void kthread_cond_broadcast(kthread_cond_t* cond);
} // extern "C"
class ScopedLock
{
@ -60,6 +67,29 @@ private:
};
class ScopedLockSignal
{
public:
ScopedLockSignal(kthread_mutex_t* mutex)
{
this->mutex = mutex;
this->acquired = kthread_mutex_lock_signal(mutex);
}
~ScopedLockSignal()
{
if ( acquired )
kthread_mutex_unlock(mutex);
}
bool IsAcquired() { return acquired; }
private:
kthread_mutex_t* mutex;
bool acquired;
};
} // namespace Sortix
#endif

13
sortix/kthread.cpp
View File

@ -1,6 +1,6 @@
/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of Sortix.
@ -39,6 +39,11 @@ extern "C" void kthread_mutex_lock(kthread_mutex_t* mutex)
{
}
unsigned long kthread_mutex_lock_signal(kthread_mutex_t* mutex)
{
return 1;
}
extern "C" void kthread_mutex_unlock(kthread_mutex_t* mutex)
{
}
@ -47,6 +52,12 @@ extern "C" void kthread_cond_wait(kthread_cond_t* cond, kthread_mutex_t* mutex)
{
}
extern "C" unsigned long kthread_cond_wait_signal(kthread_cond_t* cond,
kthread_mutex_t* mutex)
{
return 1;
}
extern "C" void kthread_cond_signal(kthread_cond_t* cond)
{
}