static void
inf_ptrace_create_inferior (struct target_ops *ops,
char *exec_file, char *allargs, char **env,
int from_tty)
{
int pid;
/* Do not change either targets above or the same target if already present.
The reason is the target stack is shared across multiple inferiors. */
int ops_already_pushed = target_is_pushed (ops);
struct cleanup *back_to = NULL;
if (! ops_already_pushed)
{
/* Clear possible core file with its process_stratum. */
push_target (ops);
back_to = make_cleanup_unpush_target (ops);
}
pid = fork_inferior (exec_file, allargs, env, inf_ptrace_me, NULL,
NULL, NULL, NULL);
if (! ops_already_pushed)
discard_cleanups (back_to);
startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
/* On some targets, there must be some explicit actions taken after
the inferior has been started up. */
target_post_startup_inferior (pid_to_ptid (pid));
}
static void
inf_ptrace_create_inferior (struct target_ops *ops,
char *exec_file, char *allargs, char **env,
int from_tty)
{
int pid;
pid = fork_inferior (exec_file, allargs, env, inf_ptrace_me, NULL,
NULL, NULL);
push_target (ops);
/* On some targets, there must be some explicit synchronization
between the parent and child processes after the debugger
forks, and before the child execs the debuggee program. This
call basically gives permission for the child to exec. */
target_acknowledge_created_inferior (pid);
/* START_INFERIOR_TRAPS_EXPECTED is defined in inferior.h, and will
be 1 or 2 depending on whether we're starting without or with a
shell. */
startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
/* On some targets, there must be some explicit actions taken after
the inferior has been started up. */
target_post_startup_inferior (pid_to_ptid (pid));
}
static void
inf_ptrace_him (int pid)
{
push_target (ptrace_ops_hack);
/* On some targets, there must be some explicit synchronization
between the parent and child processes after the debugger
forks, and before the child execs the debuggee program. This
call basically gives permission for the child to exec. */
target_acknowledge_created_inferior (pid);
/* START_INFERIOR_TRAPS_EXPECTED is defined in inferior.h, and will
be 1 or 2 depending on whether we're starting without or with a
shell. */
startup_inferior (START_INFERIOR_TRAPS_EXPECTED);
/* On some targets, there must be some explicit actions taken after
the inferior has been started up. */
target_post_startup_inferior (pid_to_ptid (pid));
}
void
post_fork_inferior (int pid, const char *program)
{
client_state &cs = get_client_state ();
#ifdef SIGTTOU
signal (SIGTTOU, SIG_IGN);
signal (SIGTTIN, SIG_IGN);
terminal_fd = fileno (stderr);
old_foreground_pgrp = tcgetpgrp (terminal_fd);
tcsetpgrp (terminal_fd, pid);
atexit (restore_old_foreground_pgrp);
#endif
startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED,
&cs.last_status, &cs.last_ptid);
current_thread->last_resume_kind = resume_stop;
current_thread->last_status = cs.last_status;
signal_pid = pid;
target_post_create_inferior ();
fprintf (stderr, "Process %s created; pid = %d\n", program, pid);
fflush (stderr);
}
