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linux-user: remove signal handler before calling abort()

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Qemu may hang in host_signal_handler after qemu has done a
seppuku with cpu_abort(). But at this stage we are not really
interested in target process coredump anymore, so unregister
host_signal_handler to die grafefully.

Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
This commit is contained in:
Riku Voipio 2010-01-25 14:30:49 +02:00
parent 26bc95a037
commit d3219c7bd0
1 changed files with 9 additions and 0 deletions
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9
exec.c
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@ -40,6 +40,7 @@
#include "kvm.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
#include <signal.h>
#endif
//#define DEBUG_TB_INVALIDATE
@ -1692,6 +1693,14 @@ void cpu_abort(CPUState *env, const char *fmt, ...)
}
va_end(ap2);
va_end(ap);
#if defined(CONFIG_USER_ONLY)
{
struct sigaction act;
sigfillset(&act.sa_mask);
act.sa_handler = SIG_DFL;
sigaction(SIGABRT, &act, NULL);
}
#endif
abort();
}