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/* { dg-do compile } */
/* { dg-options "-O3 -fcompare-debug -w" } */
extern void rt_mutex_owner (void);
extern void rt_mutex_deadlock_account_lock (int);
extern void signal_pending (void);
__typeof__ (int *) a;
int b;
int
try_to_take_rt_mutex (int p1) {
rt_mutex_owner ();
if (b)
return 0;
rt_mutex_deadlock_account_lock (p1);
return 1;
}
void
__rt_mutex_slowlock (int p1) {
int c;
for (;;) {
c = ({
asm ("" : "=r"(a));
a;
});
if (try_to_take_rt_mutex (c))
break;
if (__builtin_expect (p1 == 0, 0))
signal_pending ();
}
}
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