2 * Acess2 libnative (Kernel Simulation Library)
3 * - By John Hodge (thePowersGang)
10 #include <threads_int.h>
13 void Threads_int_Init(void) __attribute__((constructor(101)));
14 tThread *Threads_int_CreateTCB(tThread *Parent);
17 tThread *gThreads_List;
18 tThread __thread *lpThreads_This;
19 int giThreads_NextTID = 1;
22 void Threads_int_Init(void)
24 lpThreads_This = Threads_int_CreateTCB(NULL);
27 tThread *Proc_GetCurThread(void)
29 return lpThreads_This;
32 void Threads_PostEvent(tThread *Thread, Uint32 Events)
38 Threads_int_MutexLock(Thread->Protector);
39 Thread->PendingEvents |= Events;
40 if( Thread->WaitingEvents & Events )
41 Threads_int_SemSignal(Thread->WaitSemaphore);
42 Threads_int_MutexRelease(Thread->Protector);
45 Uint32 Threads_WaitEvents(Uint32 Events)
47 if( !Threads_int_ThreadingEnabled() ) {
48 Log_Notice("Threads", "_WaitEvents: Threading disabled");
51 lpThreads_This->WaitingEvents = Events;
52 Threads_int_SemWaitAll(lpThreads_This->WaitSemaphore);
53 lpThreads_This->WaitingEvents = 0;
54 Uint32 rv = lpThreads_This->PendingEvents;
58 void Threads_ClearEvent(Uint32 Mask)
60 if( !Threads_int_ThreadingEnabled() ) {
61 Log_Notice("Threads", "_ClearEvent: Threading disabled");
64 Threads_int_MutexLock(lpThreads_This->Protector);
65 lpThreads_This->PendingEvents &= ~Mask;
66 Threads_int_MutexRelease(lpThreads_This->Protector);
69 tUID Threads_GetUID(void) { return 0; }
70 tGID Threads_GetGID(void) { return 0; }
72 tTID Threads_GetTID(void) { return lpThreads_This->TID; }
74 int *Threads_GetMaxFD(void) { return &lpThreads_This->Process->MaxFDs; }
75 char **Threads_GetCWD(void) { return &lpThreads_This->Process->CWD; }
76 char **Threads_GetChroot(void) { return &lpThreads_This->Process->Chroot; }
77 void **Threads_GetHandlesPtr(void) { return &lpThreads_This->Process->Handles; }
79 void Threads_Yield(void)
81 Log_KernelPanic("Threads", "Threads_Yield DEFINITELY shouldn't be used (%p)",
82 __builtin_return_address(0));
85 void Threads_Sleep(void)
87 Log_Warning("Threads", "Threads_Sleep shouldn't be used");
90 int Threads_SetName(const char *Name)
95 if( lpThreads_This->Name )
96 free(lpThreads_This->Name);
97 lpThreads_This->Name = strdup(Name);
102 int *Threads_GetErrno(void) __attribute__ ((weak));
104 int *Threads_GetErrno(void)
110 struct sProcess *Threads_int_CreateProcess(void)
112 struct sProcess *ret = calloc(sizeof(struct sProcess), 1);
119 tThread *Threads_int_CreateTCB(tThread *Parent)
121 tThread *ret = calloc( sizeof(tThread), 1 );
122 ret->TID = giThreads_NextTID ++;
123 ret->WaitSemaphore = Threads_int_SemCreate();
124 ret->Protector = Threads_int_MutexCreate();
128 ret->Process = Threads_int_CreateProcess();
131 ret->Process = Parent->Process;
133 ret->ProcNext = ret->Process->Threads;
134 ret->Process->Threads = ret;
136 ret->Next = gThreads_List;
142 struct sThread *Proc_SpawnWorker(void (*Fcn)(void*), void *Data)
144 if( !Threads_int_ThreadingEnabled() )
146 Log_Error("Threads", "Multithreading is disabled in this build");
151 tThread *ret = Threads_int_CreateTCB(lpThreads_This);
153 ret->SpawnData = Data;
154 Threads_int_CreateThread(ret);