User-mode GDB stub improvements - handle fork

Close gdbserver in child processes, so that only one stub tries to talk
to GDB at a time.  Updated from an earlier patch by Paul Brook.

Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6095 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-12-18 22:44:04 +00:00
parent 6f9c5ee782
commit 2b1319c85c
4 changed files with 26 additions and 13 deletions

View file

@ -1996,6 +1996,18 @@ int gdbserver_start(int port)
gdb_accept();
return 0;
}
/* Disable gdb stub for child processes. */
void gdbserver_fork(CPUState *env)
{
GDBState *s = gdbserver_state;
if (s->fd < 0)
return;
close(s->fd);
s->fd = -1;
cpu_breakpoint_remove_all(env, BP_GDB);
cpu_watchpoint_remove_all(env, BP_GDB);
}
#else
static int gdb_chr_can_receive(void *opaque)
{