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Unified Diff: nspr/pr/src/misc/prthinfo.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master
Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago
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Index: nspr/pr/src/misc/prthinfo.c
diff --git a/nspr/pr/src/misc/prthinfo.c b/nspr/pr/src/misc/prthinfo.c
deleted file mode 100644
index 2477899c39b5731322c317530a1bd4acc0ac9dfd..0000000000000000000000000000000000000000
--- a/nspr/pr/src/misc/prthinfo.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "prlog.h"
-#include "prthread.h"
-#include "private/pprthred.h"
-#include "primpl.h"
-
-PR_IMPLEMENT(PRWord *)
-PR_GetGCRegisters(PRThread *t, int isCurrent, int *np)
-{
- return _MD_HomeGCRegisters(t, isCurrent, np);
-}
-
-PR_IMPLEMENT(PRStatus)
-PR_ThreadScanStackPointers(PRThread* t,
- PRScanStackFun scanFun, void* scanClosure)
-{
- PRThread* current = PR_GetCurrentThread();
- PRWord *sp, *esp, *p0;
- int n;
- void **ptd;
- PRStatus status;
- PRUint32 index;
- int stack_end;
-
- /*
- ** Store the thread's registers in the thread structure so the GC
- ** can scan them. Then scan them.
- */
- p0 = _MD_HomeGCRegisters(t, t == current, &n);
- status = scanFun(t, (void**)p0, n, scanClosure);
- if (status != PR_SUCCESS)
- return status;
-
- /* Scan the C stack for pointers into the GC heap */
-#if defined(XP_PC) && defined(WIN16)
- /*
- ** Under WIN16, the stack of the current thread is always mapped into
- ** the "task stack" (at SS:xxxx). So, if t is the current thread, scan
- ** the "task stack". Otherwise, scan the "cached stack" of the inactive
- ** thread...
- */
- if (t == current) {
- sp = (PRWord*) &stack_end;
- esp = (PRWord*) _pr_top_of_task_stack;
-
- PR_ASSERT(sp <= esp);
- } else {
- sp = (PRWord*) PR_GetSP(t);
- esp = (PRWord*) t->stack->stackTop;
-
- PR_ASSERT((t->stack->stackSize == 0) ||
- ((sp > (PRWord*)t->stack->stackBottom) &&
- (sp <= (PRWord*)t->stack->stackTop)));
- }
-#else /* ! WIN16 */
-#ifdef HAVE_STACK_GROWING_UP
- if (t == current) {
- esp = (PRWord*) &stack_end;
- } else {
- esp = (PRWord*) PR_GetSP(t);
- }
- sp = (PRWord*) t->stack->stackTop;
- if (t->stack->stackSize) {
- PR_ASSERT((esp > (PRWord*)t->stack->stackTop) &&
- (esp < (PRWord*)t->stack->stackBottom));
- }
-#else /* ! HAVE_STACK_GROWING_UP */
- if (t == current) {
- sp = (PRWord*) &stack_end;
- } else {
- sp = (PRWord*) PR_GetSP(t);
- }
- esp = (PRWord*) t->stack->stackTop;
- if (t->stack->stackSize) {
- PR_ASSERT((sp > (PRWord*)t->stack->stackBottom) &&
- (sp < (PRWord*)t->stack->stackTop));
- }
-#endif /* ! HAVE_STACK_GROWING_UP */
-#endif /* ! WIN16 */
-
-#if defined(WIN16)
- {
- prword_t scan;
- prword_t limit;
-
- scan = (prword_t) sp;
- limit = (prword_t) esp;
- while (scan < limit) {
- prword_t *test;
-
- test = *((prword_t **)scan);
- status = scanFun(t, (void**)&test, 1, scanClosure);
- if (status != PR_SUCCESS)
- return status;
- scan += sizeof(char);
- }
- }
-#else
- if (sp < esp) {
- status = scanFun(t, (void**)sp, esp - sp, scanClosure);
- if (status != PR_SUCCESS)
- return status;
- }
-#endif
-
- /*
- ** Mark all of the per-thread-data items attached to this thread
- **
- ** The execution environment better be accounted for otherwise it
- ** will be collected
- */
- status = scanFun(t, (void**)&t->environment, 1, scanClosure);
- if (status != PR_SUCCESS)
- return status;
-
- /* if thread is not allocated on stack, this is redundant. */
- ptd = t->privateData;
- for (index = 0; index < t->tpdLength; index++, ptd++) {
- status = scanFun(t, (void**)ptd, 1, scanClosure);
- if (status != PR_SUCCESS)
- return status;
- }
-
- return PR_SUCCESS;
-}
-
-/* transducer for PR_EnumerateThreads */
-typedef struct PRScanStackData {
- PRScanStackFun scanFun;
- void* scanClosure;
-} PRScanStackData;
-
-static PRStatus PR_CALLBACK
-pr_ScanStack(PRThread* t, int i, void* arg)
-{
- PRScanStackData* data = (PRScanStackData*)arg;
- return PR_ThreadScanStackPointers(t, data->scanFun, data->scanClosure);
-}
-
-PR_IMPLEMENT(PRStatus)
-PR_ScanStackPointers(PRScanStackFun scanFun, void* scanClosure)
-{
- PRScanStackData data;
- data.scanFun = scanFun;
- data.scanClosure = scanClosure;
- return PR_EnumerateThreads(pr_ScanStack, &data);
-}
-
-PR_IMPLEMENT(PRUword)
-PR_GetStackSpaceLeft(PRThread* t)
-{
- PRThread *current = PR_GetCurrentThread();
- PRWord *sp, *esp;
- int stack_end;
-
-#if defined(WIN16)
- /*
- ** Under WIN16, the stack of the current thread is always mapped into
- ** the "task stack" (at SS:xxxx). So, if t is the current thread, scan
- ** the "task stack". Otherwise, scan the "cached stack" of the inactive
- ** thread...
- */
- if (t == current) {
- sp = (PRWord*) &stack_end;
- esp = (PRWord*) _pr_top_of_task_stack;
-
- PR_ASSERT(sp <= esp);
- } else {
- sp = (PRWord*) PR_GetSP(t);
- esp = (PRWord*) t->stack->stackTop;
-
- PR_ASSERT((t->stack->stackSize == 0) ||
- ((sp > (PRWord*)t->stack->stackBottom) &&
- (sp <= (PRWord*)t->stack->stackTop)));
- }
-#else /* ! WIN16 */
-#ifdef HAVE_STACK_GROWING_UP
- if (t == current) {
- esp = (PRWord*) &stack_end;
- } else {
- esp = (PRWord*) PR_GetSP(t);
- }
- sp = (PRWord*) t->stack->stackTop;
- if (t->stack->stackSize) {
- PR_ASSERT((esp > (PRWord*)t->stack->stackTop) &&
- (esp < (PRWord*)t->stack->stackBottom));
- }
-#else /* ! HAVE_STACK_GROWING_UP */
- if (t == current) {
- sp = (PRWord*) &stack_end;
- } else {
- sp = (PRWord*) PR_GetSP(t);
- }
- esp = (PRWord*) t->stack->stackTop;
- if (t->stack->stackSize) {
- PR_ASSERT((sp > (PRWord*)t->stack->stackBottom) &&
- (sp < (PRWord*)t->stack->stackTop));
- }
-#endif /* ! HAVE_STACK_GROWING_UP */
-#endif /* ! WIN16 */
- return (PRUword)t->stack->stackSize - ((PRWord)esp - (PRWord)sp);
-}
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