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99 lines
2.6 KiB
Diff
99 lines
2.6 KiB
Diff
--- a/shell/ash.c
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+++ b/shell/ash.c
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@@ -4515,6 +4515,7 @@ clear_traps(void)
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INT_ON;
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}
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}
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+ may_have_traps = 0;
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}
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/* Lives far away from here, needed for forkchild */
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--- /dev/null
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+++ b/shell/ash_test/ash-signals/signal7.right
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@@ -0,0 +1 @@
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+Bug detected: 0
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--- /dev/null
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+++ b/shell/ash_test/ash-signals/signal7.tests
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@@ -0,0 +1,18 @@
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+bug() {
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+ trap : exit
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+ # Bug was causing sh to be run in subshell,
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+ # as if this line is replaced with (sh -c ...; exit $?) &
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+ # here:
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+ sh -c 'echo REAL_CHILD=$$' &
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+ echo PARENTS_IDEA_OF_CHILD=$!
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+ wait # make sure bkgd shell completes
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+}
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+
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+bug | {
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+while read varval; do
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+ eval $varval
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+done
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+test x"$REAL_CHILD" != x"" \
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+&& test x"$REAL_CHILD" = x"$PARENTS_IDEA_OF_CHILD"
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+echo "Bug detected: $?"
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+}
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--- a/shell/hush.c
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+++ b/shell/hush.c
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@@ -3901,8 +3901,6 @@ static void insert_bg_job(struct pipe *p
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if (G_interactive_fd)
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printf("[%d] %d %s\n", job->jobid, job->cmds[0].pid, job->cmdtext);
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- /* Last command's pid goes to $! */
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- G.last_bg_pid = job->cmds[job->num_cmds - 1].pid;
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G.last_jobid = job->jobid;
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}
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@@ -4825,6 +4823,8 @@ static int run_list(struct pipe *pi)
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if (G.run_list_level == 1)
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insert_bg_job(pi);
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#endif
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+ /* Last command's pid goes to $! */
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+ G.last_bg_pid = pi->cmds[pi->num_cmds - 1].pid;
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G.last_exitcode = rcode = EXIT_SUCCESS;
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debug_printf_exec(": cmd&: exitcode EXIT_SUCCESS\n");
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} else {
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--- /dev/null
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+++ b/shell/hush_test/hush-trap/signal7.right
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@@ -0,0 +1 @@
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+Bug detected: 0
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--- /dev/null
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+++ b/shell/hush_test/hush-trap/signal7.tests
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@@ -0,0 +1,18 @@
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+bug() {
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+ trap : exit
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+ # Bug was causing sh to be run in subshell,
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+ # as if this line is replaced with (sh -c ...; exit $?) &
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+ # here:
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+ sh -c 'echo REAL_CHILD=$$' &
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+ echo PARENTS_IDEA_OF_CHILD=$!
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+ wait # make sure bkgd shell completes
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+}
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+
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+bug | {
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+while read varval; do
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+ eval $varval
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+done
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+test x"$REAL_CHILD" != x"" \
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+&& test x"$REAL_CHILD" = x"$PARENTS_IDEA_OF_CHILD"
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+echo "Bug detected: $?"
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+}
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--- a/shell/shell_common.c
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+++ b/shell/shell_common.c
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@@ -428,9 +428,14 @@ shell_builtin_ulimit(char **argv)
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val <<= l->factor_shift;
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}
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//bb_error_msg("opt %c val_str:'%s' val:%lld", opt_char, val_str, (long long)val);
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+ /* from man bash: "If neither -H nor -S
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+ * is specified, both the soft and hard
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+ * limits are set. */
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+ if (!opts)
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+ opts = OPT_hard + OPT_soft;
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if (opts & OPT_hard)
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limit.rlim_max = val;
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- if ((opts & OPT_soft) || opts == 0)
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+ if (opts & OPT_soft)
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limit.rlim_cur = val;
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//bb_error_msg("setrlimit(%d, %lld, %lld)", l->cmd, (long long)limit.rlim_cur, (long long)limit.rlim_max);
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if (setrlimit(l->cmd, &limit) < 0) {
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