riscos.c (1837B)
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #include "primpl.h" 7 8 void _MD_EarlyInit(void) {} 9 10 PRWord* _MD_HomeGCRegisters(PRThread* t, int isCurrent, int* np) { 11 #ifndef _PR_PTHREADS 12 if (isCurrent) { 13 (void)setjmp(CONTEXT(t)); 14 } 15 *np = sizeof(CONTEXT(t)) / sizeof(PRWord); 16 return (PRWord*)CONTEXT(t); 17 #else 18 *np = 0; 19 return NULL; 20 #endif 21 } 22 23 #ifdef _PR_PTHREADS 24 25 void _MD_CleanupBeforeExit(void) {} 26 27 #else /* ! _PR_PTHREADS */ 28 29 void _MD_SET_PRIORITY(_MDThread* thread, PRUintn newPri) { return; } 30 31 PRStatus _MD_InitializeThread(PRThread* thread) { 32 /* 33 * set the pointers to the stack-pointer and frame-pointer words in the 34 * context structure; this is for debugging use. 35 */ 36 thread->md.sp = _MD_GET_SP_PTR(thread); 37 thread->md.fp = _MD_GET_FP_PTR(thread); 38 return PR_SUCCESS; 39 } 40 41 PRStatus _MD_WAIT(PRThread* thread, PRIntervalTime ticks) { 42 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); 43 _PR_MD_SWITCH_CONTEXT(thread); 44 return PR_SUCCESS; 45 } 46 47 PRStatus _MD_WAKEUP_WAITER(PRThread* thread) { 48 if (thread) { 49 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE)); 50 } 51 return PR_SUCCESS; 52 } 53 54 /* These functions should not be called for RISC OS */ 55 void _MD_YIELD(void) { 56 PR_NOT_REACHED("_MD_YIELD should not be called for RISC OS."); 57 } 58 59 PRStatus _MD_CREATE_THREAD(PRThread* thread, void (*start)(void*), 60 PRThreadPriority priority, PRThreadScope scope, 61 PRThreadState state, PRUint32 stackSize) { 62 PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for RISC OS."); 63 return PR_FAILURE; 64 } 65 #endif /* ! _PR_PTHREADS */