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-rw-r--r--shell/hush.c115
1 files changed, 57 insertions, 58 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 78a8f5c03..a5f059924 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7803,6 +7803,8 @@ static int run_list(struct pipe *pi)
/* Go through list of pipes, (maybe) executing them. */
for (; pi; pi = IF_HUSH_LOOPS(rword == RES_DONE ? loop_top : ) pi->next) {
+ int r;
+
if (G.flag_SIGINT)
break;
if (G_flag_return_in_progress == 1)
@@ -7953,74 +7955,71 @@ static int run_list(struct pipe *pi)
* after run_pipe to collect any background children,
* even if list execution is to be stopped. */
debug_printf_exec(": run_pipe with %d members\n", pi->num_cmds);
- {
- int r;
-#if ENABLE_HUSH_LOOPS
- G.flag_break_continue = 0;
-#endif
- rcode = r = run_pipe(pi); /* NB: rcode is a smallint */
- if (r != -1) {
- /* We ran a builtin, function, or group.
- * rcode is already known
- * and we don't need to wait for anything. */
- debug_printf_exec(": builtin/func exitcode %d\n", rcode);
- G.last_exitcode = rcode;
- check_and_run_traps();
#if ENABLE_HUSH_LOOPS
- /* Was it "break" or "continue"? */
- if (G.flag_break_continue) {
- smallint fbc = G.flag_break_continue;
- /* We might fall into outer *loop*,
- * don't want to break it too */
- if (loop_top) {
- G.depth_break_continue--;
- if (G.depth_break_continue == 0)
- G.flag_break_continue = 0;
- /* else: e.g. "continue 2" should *break* once, *then* continue */
- } /* else: "while... do... { we are here (innermost list is not a loop!) };...done" */
- if (G.depth_break_continue != 0 || fbc == BC_BREAK) {
- checkjobs(NULL, 0 /*(no pid to wait for)*/);
- break;
- }
- /* "continue": simulate end of loop */
- rword = RES_DONE;
- continue;
- }
+ G.flag_break_continue = 0;
#endif
- if (G_flag_return_in_progress == 1) {
+ rcode = r = run_pipe(pi); /* NB: rcode is a smalluint, r is int */
+ if (r != -1) {
+ /* We ran a builtin, function, or group.
+ * rcode is already known
+ * and we don't need to wait for anything. */
+ debug_printf_exec(": builtin/func exitcode %d\n", rcode);
+ G.last_exitcode = rcode;
+ check_and_run_traps();
+#if ENABLE_HUSH_LOOPS
+ /* Was it "break" or "continue"? */
+ if (G.flag_break_continue) {
+ smallint fbc = G.flag_break_continue;
+ /* We might fall into outer *loop*,
+ * don't want to break it too */
+ if (loop_top) {
+ G.depth_break_continue--;
+ if (G.depth_break_continue == 0)
+ G.flag_break_continue = 0;
+ /* else: e.g. "continue 2" should *break* once, *then* continue */
+ } /* else: "while... do... { we are here (innermost list is not a loop!) };...done" */
+ if (G.depth_break_continue != 0 || fbc == BC_BREAK) {
checkjobs(NULL, 0 /*(no pid to wait for)*/);
break;
}
- } else if (pi->followup == PIPE_BG) {
- /* What does bash do with attempts to background builtins? */
- /* even bash 3.2 doesn't do that well with nested bg:
- * try "{ { sleep 10; echo DEEP; } & echo HERE; } &".
- * I'm NOT treating inner &'s as jobs */
+ /* "continue": simulate end of loop */
+ rword = RES_DONE;
+ continue;
+ }
+#endif
+ if (G_flag_return_in_progress == 1) {
+ checkjobs(NULL, 0 /*(no pid to wait for)*/);
+ break;
+ }
+ } else if (pi->followup == PIPE_BG) {
+ /* What does bash do with attempts to background builtins? */
+ /* even bash 3.2 doesn't do that well with nested bg:
+ * try "{ { sleep 10; echo DEEP; } & echo HERE; } &".
+ * I'm NOT treating inner &'s as jobs */
#if ENABLE_HUSH_JOB
- if (G.run_list_level == 1)
- insert_bg_job(pi);
+ if (G.run_list_level == 1)
+ insert_bg_job(pi);
#endif
- /* Last command's pid goes to $! */
- G.last_bg_pid = pi->cmds[pi->num_cmds - 1].pid;
- debug_printf_exec(": cmd&: exitcode EXIT_SUCCESS\n");
+ /* Last command's pid goes to $! */
+ G.last_bg_pid = pi->cmds[pi->num_cmds - 1].pid;
+ debug_printf_exec(": cmd&: exitcode EXIT_SUCCESS\n");
/* Check pi->pi_inverted? "! sleep 1 & echo $?": bash says 1. dash and ash says 0 */
- G.last_exitcode = rcode = EXIT_SUCCESS;
- check_and_run_traps();
- } else {
+ G.last_exitcode = rcode = EXIT_SUCCESS;
+ check_and_run_traps();
+ } else {
#if ENABLE_HUSH_JOB
- if (G.run_list_level == 1 && G_interactive_fd) {
- /* Waits for completion, then fg's main shell */
- rcode = checkjobs_and_fg_shell(pi);
- debug_printf_exec(": checkjobs_and_fg_shell exitcode %d\n", rcode);
- } else
-#endif
- { /* This one just waits for completion */
- rcode = checkjobs(pi, 0 /*(no pid to wait for)*/);
- debug_printf_exec(": checkjobs exitcode %d\n", rcode);
- }
- G.last_exitcode = rcode;
- check_and_run_traps();
+ if (G.run_list_level == 1 && G_interactive_fd) {
+ /* Waits for completion, then fg's main shell */
+ rcode = checkjobs_and_fg_shell(pi);
+ debug_printf_exec(": checkjobs_and_fg_shell exitcode %d\n", rcode);
+ } else
+#endif
+ { /* This one just waits for completion */
+ rcode = checkjobs(pi, 0 /*(no pid to wait for)*/);
+ debug_printf_exec(": checkjobs exitcode %d\n", rcode);
}
+ G.last_exitcode = rcode;
+ check_and_run_traps();
}
/* Analyze how result affects subsequent commands */