diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/shell/ash.c b/shell/ash.c index 0dd440c61..c575e1036 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -4660,19 +4660,19 @@ clear_traps(void) { char **tp; + INT_OFF; for (tp = trap; tp < &trap[NSIG]; tp++) { if (*tp && **tp) { /* trap not NULL or "" (SIG_IGN) */ - INT_OFF; if (trap_ptr == trap) free(*tp); /* else: it "belongs" to trap_ptr vector, don't free */ *tp = NULL; if ((tp - trap) != 0) setsignal(tp - trap); - INT_ON; } } may_have_traps = 0; + INT_ON; } /* Lives far away from here, needed for forkchild */ @@ -12753,12 +12753,13 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) if (action) { if (LONE_DASH(action)) action = NULL; - else + else { + if (action[0]) /* not NULL and not "" and not "-" */ + may_have_traps = 1; action = ckstrdup(action); + } } free(trap[signo]); - if (action) - may_have_traps = 1; trap[signo] = action; if (signo != 0) setsignal(signo); |