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Kernel: Use kernelputstr instead of dbgln when printing backtraces

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This will allow us to eventually switch dbgln in the kernel to an
allocation-free (although length-bounded) formatter.
This commit is contained in:
Idan Horowitz 2022-01-15 21:19:41 +02:00
parent 0142f33ddc
commit 309d71a66b
2 changed files with 18 additions and 4 deletions
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11
Kernel/Thread.cpp
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@ -27,6 +27,7 @@
#include <Kernel/Thread.h>
#include <Kernel/ThreadTracer.h>
#include <Kernel/TimerQueue.h>
#include <Kernel/kstdio.h>
#include <LibC/signal_numbers.h>
namespace Kernel {
@ -501,8 +502,14 @@ void Thread::finalize()
m_join_blocker_set.thread_finalizing();
}
if (m_dump_backtrace_on_finalization)
dbgln("{}", backtrace());
if (m_dump_backtrace_on_finalization) {
auto trace_or_error = backtrace();
if (!trace_or_error.is_error()) {
auto trace = trace_or_error.release_value();
dbgln("Backtrace:");
kernelputstr(trace->characters(), trace->length());
}
}
drop_thread_count(false);
}