acadia/zion/syscall/synchronization.cpp

58 lines
1.7 KiB
C++

#include "syscall/synchronization.h"
#include "object/mutex.h"
#include "object/semaphore.h"
#include "scheduler/scheduler.h"
glcr::ErrorCode MutexCreate(ZMutexCreateReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
*req->mutex_cap = curr_proc.AddNewCapability(Mutex::Create());
return glcr::OK;
}
glcr::ErrorCode MutexLock(ZMutexLockReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->mutex_cap);
RET_ERR(ValidateCapability<Mutex>(cap, kZionPerm_Lock));
auto mutex = cap->obj<Mutex>();
mutex->Lock();
return glcr::OK;
}
glcr::ErrorCode MutexRelease(ZMutexReleaseReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->mutex_cap);
RET_ERR(ValidateCapability<Mutex>(cap, kZionPerm_Release));
auto mutex = cap->obj<Mutex>();
mutex->Release();
return glcr::OK;
}
glcr::ErrorCode SemaphoreCreate(ZSemaphoreCreateReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
*req->semaphore_cap = curr_proc.AddNewCapability(Semaphore::Create());
return glcr::OK;
}
glcr::ErrorCode SemaphoreWait(ZSemaphoreWaitReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->semaphore_cap);
RET_ERR(ValidateCapability<Semaphore>(cap, kZionPerm_Wait));
auto semaphore = cap->obj<Semaphore>();
semaphore->Wait();
return glcr::OK;
}
glcr::ErrorCode SemaphoreSignal(ZSemaphoreSignalReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
auto cap = curr_proc.GetCapability(req->semaphore_cap);
RET_ERR(ValidateCapability<Semaphore>(cap, kZionPerm_Signal));
auto semaphore = cap->obj<Semaphore>();
semaphore->Signal();
return glcr::OK;
}