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import gdb-1999-11-01 snapshot

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This commit is contained in:
Jason Molenda
1999-11-02 04:44:47 +00:00
parent 9503fd8735
commit 5c44784c11
57 changed files with 2267 additions and 391 deletions
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78
gdb/linux-thread.c
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@@ -161,13 +161,13 @@ struct linuxthreads_signal {
};
struct linuxthreads_signal linuxthreads_sig_restart = {
"__pthread_sig_restart", 1, 0, 0, 0
"__pthread_sig_restart", 1, 0, 0, 0, 0
};
struct linuxthreads_signal linuxthreads_sig_cancel = {
"__pthread_sig_cancel", 1, 0, 0, 0
"__pthread_sig_cancel", 1, 0, 0, 0, 0
};
struct linuxthreads_signal linuxthreads_sig_debug = {
"__pthread_sig_debug", 0, 0, 0, 0
"__pthread_sig_debug", 0, 0, 0, 0, 0
};
/* A table of breakpoint locations, one per PID. */
@@ -336,10 +336,12 @@ linuxthreads_find_trap (pid, stop)
else if (WSTOPSIG(status) != SIGSTOP)
wstatus[last++] = status;
else if (stop)
if (found_trap)
break;
else
found_stop = 1;
{
if (found_trap)
break;
else
found_stop = 1;
}
}
/* Resend any other signals we noticed to the thread, to be received
@@ -651,10 +653,12 @@ resume_thread (pid)
if (pid != inferior_pid
&& in_thread_list (pid)
&& linuxthreads_thread_alive (pid))
if (pid == linuxthreads_step_pid)
child_resume (pid, 1, linuxthreads_step_signo);
else
child_resume (pid, 0, TARGET_SIGNAL_0);
{
if (pid == linuxthreads_step_pid)
child_resume (pid, 1, linuxthreads_step_signo);
else
child_resume (pid, 0, TARGET_SIGNAL_0);
}
}
/* Detach a thread */
@@ -679,21 +683,23 @@ stop_thread (pid)
int pid;
{
if (pid != inferior_pid)
if (in_thread_list (pid))
kill (pid, SIGSTOP);
else if (ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0) == 0)
{
if (!linuxthreads_attach_pending)
printf_unfiltered ("[New %s]\n", target_pid_to_str (pid));
add_thread (pid);
if (linuxthreads_sig_debug.signal)
/* After a new thread in glibc 2.1 signals gdb its existence,
it suspends itself and wait for linuxthreads_sig_restart,
now we can wake up it. */
kill (pid, linuxthreads_sig_restart.signal);
}
else
perror_with_name ("ptrace in stop_thread");
{
if (in_thread_list (pid))
kill (pid, SIGSTOP);
else if (ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0) == 0)
{
if (!linuxthreads_attach_pending)
printf_unfiltered ("[New %s]\n", target_pid_to_str (pid));
add_thread (pid);
if (linuxthreads_sig_debug.signal)
/* After a new thread in glibc 2.1 signals gdb its existence,
it suspends itself and wait for linuxthreads_sig_restart,
now we can wake up it. */
kill (pid, linuxthreads_sig_restart.signal);
}
else
perror_with_name ("ptrace in stop_thread");
}
}
/* Wait for a thread */
@@ -1284,10 +1290,12 @@ linuxthreads_wait (pid, ourstatus)
if (rpid > 0)
break;
if (rpid < 0)
if (errno == EINTR)
continue;
else if (save_errno != 0)
break;
{
if (errno == EINTR)
continue;
else if (save_errno != 0)
break;
}
sigsuspend(&omask);
}
@@ -1364,10 +1372,12 @@ linuxthreads_wait (pid, ourstatus)
{
/* Skip SIGSTOP signals. */
if (!linuxthreads_pending_status (rpid))
if (linuxthreads_step_pid == rpid)
child_resume (rpid, 1, linuxthreads_step_signo);
else
child_resume (rpid, 0, TARGET_SIGNAL_0);
{
if (linuxthreads_step_pid == rpid)
child_resume (rpid, 1, linuxthreads_step_signo);
else
child_resume (rpid, 0, TARGET_SIGNAL_0);
}
continue;
}