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#ifndef PTRACE_SET_SYSCALL
# define PTRACE_SET_SYSCALL 23
#endif
static int
arch_set_scno(struct tcb *tcp, long scno)
{
unsigned int n = (uint16_t) scno;
int rc = ptrace(PTRACE_SET_SYSCALL, tcp->pid, NULL, (unsigned long) n);
if (rc && errno != ESRCH)
perror_msg("arch_set_scno: PTRACE_SET_SYSCALL pid:%d scno:%#x",
tcp->pid, n);
return rc;
}
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