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binutils-gdb
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Mon Jul 14 18:02:53 1997 Michael Snyder (msnyder@cleaver.cygnus.com) 

* procfs.c (wait_fd): Handle an fd that has "hung up" or
        otherwise terminated (Solaris threads).
This commit is contained in:
Michael Snyder 1997-07-15 01:05:10 +00:00
parent 3fc2c14638
commit f14465c3a7
2 changed files with 22 additions and 12 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
Mon Jul 14 18:02:53 1997 Michael Snyder (msnyder@cleaver.cygnus.com)
* procfs.c (wait_fd): Handle an fd that has "hung up" or
otherwise terminated (Solaris threads).
start-sanitize-gdbtk
Thu Jul 10 00:02:41 1997 Martin M. Hunt <hunt@cygnus.com>

29
gdb/procfs.c
View File

@ -840,7 +840,7 @@ procfs_write_pckill (pi)
static struct procinfo *
wait_fd ()
{
struct procinfo *pi;
struct procinfo *pi, *next_pi;
#ifndef LOSING_POLL
int num_fds;
int i;
@ -850,6 +850,7 @@ wait_fd ()
attached process. */
set_sigio_trap ();
wait_again:
#ifndef LOSING_POLL
while (1)
{
@ -891,20 +892,24 @@ wait_fd ()
if (0 == (poll_list[i].revents &
(POLLWRNORM | POLLPRI | POLLERR | POLLHUP | POLLNVAL)))
continue;
for (pi = procinfo_list; pi; pi = pi->next)
for (pi = procinfo_list; pi; pi = next_pi)
{
next_pi = pi->next;
if (poll_list[i].fd == pi->ctl_fd)
{
if (!procfs_read_status(pi))
{
/* The LWP has apparently terminated. */
if (info_verbose)
printf_filtered ("LWP %d doesn't respond.\n",
(pi->pid >> 16) & 0xffff);
/* could call close_proc_file here, but I'm afraid to... */
}
num_fds--;
if ((poll_list[i].revents & POLLHUP) != 0 ||
!procfs_read_status(pi))
{ /* The LWP has apparently terminated. */
if (info_verbose)
printf_filtered ("LWP %d exited.\n",
(pi->pid >> 16) & 0xffff);
close_proc_file (pi);
if (num_fds != 0)
continue; /* already another event to process */
else
goto wait_again; /* wait for another event */
}
pi->had_event = 1;
break;
}
@ -3398,7 +3403,7 @@ procfs_wait (pid, ourstatus)
default:
error ("PIOCWSTOP, unknown why %d, what %d", why, what);
}
/* Stop all the other threads when any of them stops. */
/* Stop all the other threads when any of them stops. */
{
struct procinfo *procinfo, *next_pi;