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/* hello */
#include <stdio.h>
#include <pthread.h>
#include <signal.h>
static const char *const state_names[] = {
#define __pthread_defstate(S,NAME) NAME,
#include "pthread/state.def"
#undef __pthread_defstate
0
};
void (*dump_thread_info_fn) (struct pthread *, FILE *);
static void
dump_thread_info (thread, file)
struct pthread *thread;
FILE *file;
{
/* machdep */
/* attr */
/* signals */
/* wakeup_time */
/* join */
fprintf (file, " thread @%p prio %3d %s", thread,
thread->pthread_priority, state_names[(int) thread->state]);
switch (thread->state) {
case PS_FDLR_WAIT:
fprintf (file, " fd %d[%d]", thread->data.fd.fd,
thread->data.fd.branch);
fprintf (file, " owner %pr/%pw",
fd_table[thread->data.fd.fd]->r_owner,
fd_table[thread->data.fd.fd]->w_owner);
break;
}
/* show where the signal handler gets run */
if (thread == pthread_run)
fprintf (file, "\t\t[ME!]");
fprintf (file, "\n");
if (dump_thread_info_fn)
(*dump_thread_info_fn) (thread, file);
}
static void
pthread_dump_info_to_file (file)
FILE *file;
{
pthread_t t;
for (t = pthread_link_list; t; t = t->pll)
dump_thread_info (t, file);
}
void
pthread_dump_info ()
{
if (ftrylockfile (stderr) != 0)
return;
fprintf (stderr, "process id %ld:\n", (long) getpid ());
pthread_dump_info_to_file (stderr);
funlockfile (stderr);
}
#ifdef SIGINFO
static void
sig_handler (sig)
int sig;
{
pthread_dump_info ();
}
void
pthread_setup_siginfo ()
{
(void) signal (SIGINFO, sig_handler);
}
#endif
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