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Improve debug output. 

Should make it easier to determine the exact reason the debugger
call is triggered.
This commit is contained in:
Rene Gollent 2013-04-14 15:52:47 -04:00
parent eab9d5b444
commit 58a2847a12
1 changed files with 14 additions and 2 deletions
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16
src/kits/support/Referenceable.cpp
View File

@ -6,6 +6,10 @@
#include <Referenceable.h>
#ifdef DEBUG
#include <stdio.h>
#endif
#include <debugger.h>
//#define TRACE_REFERENCEABLE
@ -28,6 +32,7 @@ BReferenceable::~BReferenceable()
{
#ifdef DEBUG
bool enterDebugger = false;
char message[256];
if (fReferenceCount == 1) {
// Simple heuristic to test if this object was allocated
// on the stack: check if this is within 1KB in either
@ -44,14 +49,21 @@ BReferenceable::~BReferenceable()
status_t result = get_thread_info(find_thread(NULL), &info);
if (result != B_OK || this < info.stack_base
|| this > info.stack_end) {
snprintf(message, sizeof(message), "Deleted referenceable "
"object that's not on the stack (this: %p, stack_base: %p,"
" stack_end: %p)\n", this, info.stack_base,
info.stack_end);
enterDebugger = true;
}
}
} else if (fReferenceCount != 0)
} else if (fReferenceCount != 0) {
snprintf(message, sizeof(message), "Deleted referenceable object with "
"non-zero reference count (%" B_PRId32 ")\n", fReferenceCount);
enterDebugger = true;
}
if (enterDebugger)
debugger("Deleted referenceable object with non-zero ref count.");
debugger(message);
#endif
}