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* linux-fork.c (linux_fork_detach): New.

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* linux-fork.h (linux_fork_detach): Declare.
	* linux-nat.c (linux_child_follow_fork): When following the fork
	child, add the child inferior before possibly detaching from the
	parent.  Don't reinstall ourselves.
	(linux_nat_detach): Call linux_fork_detach if there are other
	forks to debug.
	* linux-thread-db.c (thread_db_detach): Don't call
	target_mourn_inferior.  Instead inline the necessary bits.
	* inf-ptrace.c (inf_ptrace_detach): Don't unpush the target if
	there are other inferiors to debug.
This commit is contained in:
Pedro Alves
2008-12-28 16:14:57 +00:00
parent 262452ec45
commit 7a7d33537f
6 changed files with 80 additions and 12 deletions
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34
gdb/linux-fork.c
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@ -387,6 +387,40 @@ linux_fork_mourn_inferior (void)
delete_fork (inferior_ptid);
}
/* The current inferior_ptid is being detached, but there are other
viable forks to debug. Detach and delete it and context-switch to
the first available. */
extern void
linux_fork_detach (char *args, int from_tty)
{
/* OK, inferior_ptid is the one we are detaching from. We need to
delete it from the fork_list, and switch to the next available
fork. */
if (ptrace (PTRACE_DETACH, PIDGET (inferior_ptid), 0, 0))
error (_("Unable to detach %s"), target_pid_to_str (inferior_ptid));
delete_fork (inferior_ptid);
/* Delete process from GDB's inferior list. */
delete_inferior (ptid_get_pid (inferior_ptid));
/* There should still be a fork - if there's only one left,
delete_fork won't remove it, because we haven't updated
inferior_ptid yet. */
gdb_assert (fork_list);
fork_load_infrun_state (fork_list);
if (from_tty)
printf_filtered (_("[Switching to %s]\n"),
target_pid_to_str (inferior_ptid));
/* If there's only one fork, switch back to non-fork mode. */
if (fork_list->next == NULL)
delete_fork (inferior_ptid);
}
/* Fork list <-> user interface. */
static void