static
void
infosig(int nada, siginfo_t *info, void *ctxp)
{
ucontext_t *ctx = ctxp;
char buf[256];
snprintf(buf, sizeof(buf), "lwp %d pc=%p sp=%p\n",
(int)lwp_gettid(),
(void *)(intptr_t)ctx->uc_mcontext.mc_rip,
(void *)(intptr_t)ctx->uc_mcontext.mc_rsp);
write(2, buf, strlen(buf));
}
/***********************************************************************
* get_unix_tid
*
* Retrieve the Unix tid to use on the server side for the current thread.
*/
static int get_unix_tid(void)
{
int ret = -1;
#ifdef HAVE_PTHREAD_GETTHREADID_NP
ret = pthread_getthreadid_np();
#elif defined(linux)
ret = syscall( __NR_gettid );
#elif defined(__sun)
ret = pthread_self();
#elif defined(__APPLE__)
ret = mach_thread_self();
mach_port_deallocate(mach_task_self(), ret);
#elif defined(__NetBSD__)
ret = _lwp_self();
#elif defined(__FreeBSD__)
long lwpid;
thr_self( &lwpid );
ret = lwpid;
#elif defined(__DragonFly__)
ret = lwp_gettid();
#endif
return ret;
}
unsigned long iv_get_thread_id(void)
{
unsigned long thread_id;
#if defined(__NR_gettid)
thread_id = syscall(__NR_gettid);
#elif defined(HAVE_GETTID) && defined(HAVE_PROCESS_H)
thread_id = gettid();
#elif defined(HAVE_LWP_GETTID)
thread_id = lwp_gettid();
#elif defined(HAVE_THR_SELF) && defined(HAVE_SYS_THR_H)
long thr;
thr_self(&thr);
thread_id = (unsigned long)thr;
#elif defined(HAVE_THR_SELF) && defined(HAVE_THREAD_H)
thread_id = thr_self();
#else
#warning using pthread_self for iv_get_thread_id
thread_id = pthr_self();
#endif
return thread_id;
}
