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-rw-r--r--shell/ash_test/ash-misc/exitcode_trap3.right2
-rwxr-xr-xshell/ash_test/ash-misc/exitcode_trap3.tests9
-rw-r--r--shell/ash_test/ash-misc/exitcode_trap4.right2
-rwxr-xr-xshell/ash_test/ash-misc/exitcode_trap4.tests8
-rw-r--r--shell/ash_test/ash-misc/exitcode_trap5.right3
-rwxr-xr-xshell/ash_test/ash-misc/exitcode_trap5.tests10
-rw-r--r--shell/hush.c31
-rw-r--r--shell/hush_test/hush-misc/exitcode_trap3.right2
-rwxr-xr-xshell/hush_test/hush-misc/exitcode_trap3.tests9
-rw-r--r--shell/hush_test/hush-misc/exitcode_trap4.right2
-rwxr-xr-xshell/hush_test/hush-misc/exitcode_trap4.tests8
-rw-r--r--shell/hush_test/hush-misc/exitcode_trap5.right3
-rwxr-xr-xshell/hush_test/hush-misc/exitcode_trap5.tests10
13 files changed, 98 insertions, 1 deletions
diff --git a/shell/ash_test/ash-misc/exitcode_trap3.right b/shell/ash_test/ash-misc/exitcode_trap3.right
new file mode 100644
index 0000000..f275cdc
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap3.right
@@ -0,0 +1,2 @@
+TERM
+42:42
diff --git a/shell/ash_test/ash-misc/exitcode_trap3.tests b/shell/ash_test/ash-misc/exitcode_trap3.tests
new file mode 100755
index 0000000..98745e4
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap3.tests
@@ -0,0 +1,9 @@
+# "return" in trap should not use last command's exitcode,
+# but exitcode on entering the trap.
+trap "echo TERM;return" term
+f() {
+ (sleep 1; kill $$) &
+ until (exit 42) do (exit 42); done
+}
+f
+echo 42:$?
diff --git a/shell/ash_test/ash-misc/exitcode_trap4.right b/shell/ash_test/ash-misc/exitcode_trap4.right
new file mode 100644
index 0000000..ed69895
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap4.right
@@ -0,0 +1,2 @@
+TERM
+11:11
diff --git a/shell/ash_test/ash-misc/exitcode_trap4.tests b/shell/ash_test/ash-misc/exitcode_trap4.tests
new file mode 100755
index 0000000..36dba90
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap4.tests
@@ -0,0 +1,8 @@
+# "return" in trap sets $? after trap
+trap "echo TERM;return 11" term
+f() {
+ (sleep 1; kill $$) &
+ until (exit 42) do (exit 42); done
+}
+f
+echo 11:$?
diff --git a/shell/ash_test/ash-misc/exitcode_trap5.right b/shell/ash_test/ash-misc/exitcode_trap5.right
new file mode 100644
index 0000000..1ad4443
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap5.right
@@ -0,0 +1,3 @@
+TERM
+Nested
+Zero:0
diff --git a/shell/ash_test/ash-misc/exitcode_trap5.tests b/shell/ash_test/ash-misc/exitcode_trap5.tests
new file mode 100755
index 0000000..332a064
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap5.tests
@@ -0,0 +1,10 @@
+# "return" in trap sets $? after trap...
+# ...but not a nested one!
+g() { echo Nested; return 22; }
+trap "echo TERM;false;g" term
+f() {
+ (kill $$) &
+ sleep 1
+}
+f
+echo Zero:$?
diff --git a/shell/hush.c b/shell/hush.c
index bced388..6172f22 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -988,6 +988,9 @@ struct globals {
# define G_fatal_sig_mask 0
#endif
#if ENABLE_HUSH_TRAP
+# if ENABLE_HUSH_FUNCTIONS
+ int return_exitcode;
+# endif
char **traps; /* char *traps[NSIG] */
# define G_traps G.traps
#else
@@ -2097,6 +2100,7 @@ static int check_and_run_traps(void)
} while (sig < NSIG);
break;
got_sig:
+#if ENABLE_HUSH_TRAP
if (G_traps && G_traps[sig]) {
debug_printf_exec("%s: sig:%d handler:'%s'\n", __func__, sig, G.traps[sig]);
if (G_traps[sig][0]) {
@@ -2110,12 +2114,18 @@ static int check_and_run_traps(void)
save_rcode = G.last_exitcode;
builtin_eval(argv);
free(argv[1]);
-//FIXME: shouldn't it be set to 128 + sig instead?
G.last_exitcode = save_rcode;
+# if ENABLE_HUSH_FUNCTIONS
+ if (G.return_exitcode >= 0) {
+ debug_printf_exec("trap exitcode:%d\n", G.return_exitcode);
+ G.last_exitcode = G.return_exitcode;
+ }
+# endif
last_sig = sig;
} /* else: "" trap, ignoring signal */
continue;
}
+#endif
/* not a trap: special action */
switch (sig) {
case SIGINT:
@@ -8127,6 +8137,10 @@ static int run_function(const struct function *funcp, char **argv)
IF_HUSH_LOCAL(leave_var_nest_level();)
G_flag_return_in_progress = sv_flg;
+# if ENABLE_HUSH_TRAP
+ debug_printf_exec("G.return_exitcode=-1\n");
+ G.return_exitcode = -1; /* invalidate stashed return value */
+# endif
restore_G_args(&sv, argv);
@@ -9628,6 +9642,9 @@ static int run_list(struct pipe *pi)
debug_printf_exec(": builtin/func exitcode %d\n", rcode);
G.last_exitcode = rcode;
check_and_run_traps();
+#if ENABLE_HUSH_TRAP && ENABLE_HUSH_FUNCTIONS
+ rcode = G.last_exitcode; /* "return" in trap can change it, read back */
+#endif
#if ENABLE_HUSH_LOOPS
/* Was it "break" or "continue"? */
if (G.flag_break_continue) {
@@ -9684,6 +9701,9 @@ static int run_list(struct pipe *pi)
check_traps:
G.last_exitcode = rcode;
check_and_run_traps();
+#if ENABLE_HUSH_TRAP && ENABLE_HUSH_FUNCTIONS
+ rcode = G.last_exitcode; /* "return" in trap can change it, read back */
+#endif
}
/* Handle "set -e" */
@@ -9907,6 +9927,9 @@ int hush_main(int argc, char **argv)
INIT_G();
if (EXIT_SUCCESS != 0) /* if EXIT_SUCCESS == 0, it is already done */
G.last_exitcode = EXIT_SUCCESS;
+#if ENABLE_HUSH_TRAP && ENABLE_HUSH_FUNCTIONS
+ G.return_exitcode = -1;
+#endif
#if ENABLE_HUSH_FAST
G.count_SIGCHLD++; /* ensure it is != G.handled_SIGCHLD */
@@ -11745,6 +11768,12 @@ static int FAST_FUNC builtin_return(char **argv)
* 255 <== we also do this
*/
rc = parse_numeric_argv1(argv, G.last_exitcode, 0);
+# if ENABLE_HUSH_TRAP
+ if (argv[1]) { /* "return ARG" inside a running trap sets $? */
+ debug_printf_exec("G.return_exitcode=%d\n", rc);
+ G.return_exitcode = rc;
+ }
+# endif
return rc;
}
#endif
diff --git a/shell/hush_test/hush-misc/exitcode_trap3.right b/shell/hush_test/hush-misc/exitcode_trap3.right
new file mode 100644
index 0000000..f275cdc
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap3.right
@@ -0,0 +1,2 @@
+TERM
+42:42
diff --git a/shell/hush_test/hush-misc/exitcode_trap3.tests b/shell/hush_test/hush-misc/exitcode_trap3.tests
new file mode 100755
index 0000000..98745e4
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap3.tests
@@ -0,0 +1,9 @@
+# "return" in trap should not use last command's exitcode,
+# but exitcode on entering the trap.
+trap "echo TERM;return" term
+f() {
+ (sleep 1; kill $$) &
+ until (exit 42) do (exit 42); done
+}
+f
+echo 42:$?
diff --git a/shell/hush_test/hush-misc/exitcode_trap4.right b/shell/hush_test/hush-misc/exitcode_trap4.right
new file mode 100644
index 0000000..ed69895
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap4.right
@@ -0,0 +1,2 @@
+TERM
+11:11
diff --git a/shell/hush_test/hush-misc/exitcode_trap4.tests b/shell/hush_test/hush-misc/exitcode_trap4.tests
new file mode 100755
index 0000000..36dba90
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap4.tests
@@ -0,0 +1,8 @@
+# "return" in trap sets $? after trap
+trap "echo TERM;return 11" term
+f() {
+ (sleep 1; kill $$) &
+ until (exit 42) do (exit 42); done
+}
+f
+echo 11:$?
diff --git a/shell/hush_test/hush-misc/exitcode_trap5.right b/shell/hush_test/hush-misc/exitcode_trap5.right
new file mode 100644
index 0000000..1ad4443
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap5.right
@@ -0,0 +1,3 @@
+TERM
+Nested
+Zero:0
diff --git a/shell/hush_test/hush-misc/exitcode_trap5.tests b/shell/hush_test/hush-misc/exitcode_trap5.tests
new file mode 100755
index 0000000..332a064
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap5.tests
@@ -0,0 +1,10 @@
+# "return" in trap sets $? after trap...
+# ...but not a nested one!
+g() { echo Nested; return 22; }
+trap "echo TERM;false;g" term
+f() {
+ (kill $$) &
+ sleep 1
+}
+f
+echo Zero:$?
generated by cgit v1.1 at 2024-11-07 12:58:26 +0000