libsys: panic hook feature
. vfs: use it to dump threads stacks Change-Id: I7ae3521fc153a407505f11049629e6d4142cf7c7
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@ -6,6 +6,15 @@
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#include "syslib.h"
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#include "syslib.h"
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void panic_hook(void);
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__weak_alias(panic_hook, __panic_hook);
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void __panic_hook(void)
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{
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;
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}
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/*===========================================================================*
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/*===========================================================================*
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* panic *
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* panic *
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*===========================================================================*/
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*===========================================================================*/
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@ -38,6 +47,8 @@ void panic(const char *fmt, ...)
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printf("syslib:panic.c: stacktrace: ");
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printf("syslib:panic.c: stacktrace: ");
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util_stacktrace();
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util_stacktrace();
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panic_hook();
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/* Try exit */
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/* Try exit */
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_exit(1);
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_exit(1);
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@ -761,3 +761,10 @@ ds_event(void *arg)
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thread_cleanup(NULL);
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thread_cleanup(NULL);
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return(NULL);
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return(NULL);
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}
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}
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/* A function to be called on panic(). */
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void panic_hook(void)
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{
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printf("VFS mthread stacktraces:\n");
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mthread_stacktraces();
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}
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