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* lynx-nat.c (child_thread_alive): New function. Somehow I

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forgot to check this in with all the other thread_alive changes.
This commit is contained in:
Jeff Law 1995-07-21 23:52:45 +00:00
parent 549b77a945
commit f8c90568d5
1 changed files with 17 additions and 0 deletions
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17
gdb/lynx-nat.c
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@ -696,6 +696,23 @@ child_wait (pid, ourstatus)
}
}
/* Return nonzero if the given thread is still alive. */
int
child_thread_alive (pid)
int pid;
{
/* Arggh. Apparently pthread_kill only works for threads within
the process that calls pthread_kill.
We want to avoid the lynx signal extensions as they simply don't
map well to the generic gdb interface we want to keep.
All we want to do is determine if a particular thread is alive;
it appears as if we can just make a harmless thread specific
ptrace call to do that. */
return (ptrace (PTRACE_THREADUSER, pid, 0, 0) != -1);
}
/* Resume execution of the inferior process.
If STEP is nonzero, single-step it.
If SIGNAL is nonzero, give it that signal. */