Add a hook to mi_switch() to abort via db_error() if we attempt to
perform a context switch from DDB. Consulting from: bde
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161778121a
@ -39,6 +39,7 @@
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* $FreeBSD$
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*/
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#include "opt_ddb.h"
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#include "opt_ktrace.h"
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#include <sys/param.h>
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@ -58,6 +59,9 @@
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#include <sys/vmmeter.h>
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#include <vm/vm.h>
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#include <vm/vm_extern.h>
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#ifdef DDB
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#include <ddb/ddb.h>
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#endif
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#ifdef KTRACE
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#include <sys/uio.h>
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#include <sys/ktrace.h>
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@ -664,6 +668,14 @@ mi_switch()
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(int64_t)1000000;
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}
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#ifdef DDB
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/*
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* Don't perform context switches from the debugger.
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*/
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if (db_active)
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db_error("Context switches not allowed in the debugger.");
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#endif
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#if 0
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/*
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* Check if the process exceeds its cpu resource allocation.
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