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Imported from ../bash-2.01.tar.gz.

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This commit is contained in:
Jari Aalto 1997-06-05 14:59:13 +00:00
commit d166f04881
304 changed files with 14702 additions and 13012 deletions
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67
nojobs.c
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@ -58,14 +58,16 @@
# endif /* !TERMIO_TTY_DRIVER */
#endif /* TERMIOS_TTY_DRIVER */
#if !defined (STRUCT_WINSIZE_IN_SYS_IOCTL)
/* For struct winsize on SCO */
/* sys/ptem.h has winsize but needs mblk_t from sys/stream.h */
#if defined (HAVE_SYS_PTEM_H) && defined (TIOCGWINSZ) && defined (SIGWINCH)
# if defined (HAVE_SYS_STREAM_H)
# include <sys/stream.h>
# endif
# include <sys/ptem.h>
#endif
# if defined (HAVE_SYS_PTEM_H) && defined (TIOCGWINSZ) && defined (SIGWINCH)
# if defined (HAVE_SYS_STREAM_H)
# include <sys/stream.h>
# endif
# include <sys/ptem.h>
# endif /* HAVE_SYS_PTEM_H && TIOCGWINSZ && SIGWINCH */
#endif /* !STRUCT_WINSIZE_IN_SYS_IOCTL */
#if defined (_POSIX_VERSION) || !defined (HAVE_KILLPG)
# define killpg(pg, sig) kill(-(pg),(sig))
@ -81,10 +83,17 @@
# define WAITPID(pid, statusp, options) wait (statusp)
#endif /* !HAVE_WAITPID */
/* Return the fd from which we are actually getting input. */
#define input_tty() (shell_tty != -1) ? shell_tty : fileno (stderr)
#if !defined (errno)
extern int errno;
#endif /* !errno */
#if defined (READLINE)
extern void _rl_set_screen_size ();
#endif
extern int interactive, interactive_shell, login_shell;
extern int subshell_environment;
extern int last_command_exit_value;
@ -98,6 +107,9 @@ pid_t last_asynchronous_pid = NO_PID;
/* Call this when you start making children. */
int already_making_children = 0;
/* The controlling tty for this shell. */
int shell_tty = -1;
/* If this is non-zero, $LINES and $COLUMNS are reset after every process
exits from get_tty_state(). */
int check_window_size;
@ -223,9 +235,13 @@ cleanup_dead_jobs ()
}
/* Initialize the job control mechanism, and set up the tty stuff. */
initialize_jobs ()
initialize_job_control (force)
int force;
{
get_tty_state ();
shell_tty = fileno (stderr);
if (interactive)
get_tty_state ();
}
#if defined (TIOCGWINSZ) && defined (SIGWINCH)
@ -238,7 +254,7 @@ get_new_window_size (from_sig)
struct winsize win;
int tty;
tty = open ("/dev/tty", O_RDONLY);
tty = input_tty ();
if (tty >= 0 && (ioctl (tty, TIOCGWINSZ, &win) == 0) &&
win.ws_row > 0 && win.ws_col > 0)
{
@ -250,7 +266,6 @@ get_new_window_size (from_sig)
_rl_set_screen_size (win.ws_row, win.ws_col);
#endif
}
close (tty);
}
static sighandler
@ -578,8 +593,13 @@ wait_for (pid)
else
return_val = WEXITSTATUS (status);
if (!WIFSTOPPED (status) && WIFSIGNALED (status) &&
(WTERMSIG (status) != SIGINT))
#if !defined (DONT_REPORT_SIGPIPE)
if ((WIFSTOPPED (status) == 0) && WIFSIGNALED (status) &&
(WTERMSIG (status) != SIGINT))
#else
if ((WIFSTOPPED (status) == 0) && WIFSIGNALED (status) &&
(WTERMSIG (status) != SIGINT) && (WTERMSIG (status) != SIGPIPE))
#endif
{
fprintf (stderr, "%s", strsignal (WTERMSIG (status)));
if (WIFCORED (status))
@ -634,7 +654,7 @@ get_tty_state ()
{
int tty;
tty = open ("/dev/tty", O_RDONLY);
tty = input_tty ();
if (tty != -1)
{
#if defined (TERMIOS_TTY_DRIVER)
@ -646,7 +666,6 @@ get_tty_state ()
ioctl (tty, TIOCGETP, &shell_tty_info);
# endif
#endif
close (tty);
got_tty_state = 1;
if (check_window_size)
get_new_window_size (0);
@ -658,14 +677,12 @@ set_tty_state ()
{
int tty;
tty = open ("/dev/tty", O_RDONLY);
tty = input_tty ();
if (tty != -1)
{
if (got_tty_state == 0)
{
close (tty);
return;
}
return;
#if defined (TERMIOS_TTY_DRIVER)
tcsetattr (tty, TCSADRAIN, &shell_tty_info);
#else
@ -675,7 +692,6 @@ set_tty_state ()
ioctl (tty, TIOCSETN, &shell_tty_info);
# endif
#endif
close (tty);
}
}
@ -699,6 +715,17 @@ start_pipeline ()
already_making_children = 1;
}
int
get_job_by_pid (pid, block)
pid_t pid;
int block;
{
int i;
i = find_index_by_pid (pid);
return ((i == NO_PID) ? PROC_BAD : i);
}
/* Print descriptive information about the job with leader pid PID. */
void
describe_pid (pid)