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gdb/gdbserver/

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* server.c (terminal_fd): New variable.
	(old_foreground_pgrp): Likewise.
	(restore_old_foreground_pgrp): New function.
	(start_inferior): Record the terminal file descriptor in terminal_fd
	and its original foreground group in old_foreground_pgrp.  Register
	restore_old_foreground_pgrp with atexit().
This commit is contained in:
Richard Sandiford
2006-08-08 16:03:29 +00:00
parent 3d00d119d3
commit 290fadea96
2 changed files with 29 additions and 1 deletions
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21
gdb/gdbserver/server.c
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@@ -45,6 +45,22 @@ jmp_buf toplevel;
unsigned long signal_pid;
#ifdef SIGTTOU
/* A file descriptor for the controlling terminal. */
int terminal_fd;
/* TERMINAL_FD's original foreground group. */
pid_t old_foreground_pgrp;
/* Hand back terminal ownership to the original foreground group. */
static void
restore_old_foreground_pgrp (void)
{
tcsetpgrp (terminal_fd, old_foreground_pgrp);
}
#endif
static int
start_inferior (char *argv[], char *statusptr)
{
@@ -62,7 +78,10 @@ start_inferior (char *argv[], char *statusptr)
#ifdef SIGTTOU
signal (SIGTTOU, SIG_IGN);
signal (SIGTTIN, SIG_IGN);
tcsetpgrp (fileno (stderr), signal_pid);
terminal_fd = fileno (stderr);
old_foreground_pgrp = tcgetpgrp (terminal_fd);
tcsetpgrp (terminal_fd, signal_pid);
atexit (restore_old_foreground_pgrp);
#endif
/* Wait till we are at 1st instruction in program, return signal number. */