diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/shell/ash.c b/shell/ash.c index ec5e0b8..ef22da1 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -3874,9 +3874,9 @@ dowait(int wait_flags, struct job *job) } static int -blocking_wait_with_raise_on_sig(struct job *job) +blocking_wait_with_raise_on_sig(void) { - pid_t pid = dowait(DOWAIT_BLOCK, job); + pid_t pid = dowait(DOWAIT_BLOCK, NULL); if (pid <= 0 && pending_sig) raise_exception(EXSIG); return pid; @@ -4069,14 +4069,21 @@ waitcmd(int argc UNUSED_PARAM, char **argv) jp->waited = 1; jp = jp->prev_job; } + blocking_wait_with_raise_on_sig(); /* man bash: * "When bash is waiting for an asynchronous command via * the wait builtin, the reception of a signal for which a trap * has been set will cause the wait builtin to return immediately * with an exit status greater than 128, immediately after which * the trap is executed." - * Do we do it that way? */ - blocking_wait_with_raise_on_sig(NULL); + * + * blocking_wait_with_raise_on_sig raises signal handlers + * if it gets no pid (pid < 0). However, + * if child sends us a signal *and immediately exits*, + * blocking_wait_with_raise_on_sig gets pid > 0 + * and does not handle pending_sig. Check this case: */ + if (pending_sig) + raise_exception(EXSIG); } } @@ -4096,7 +4103,7 @@ waitcmd(int argc UNUSED_PARAM, char **argv) job = getjob(*argv, 0); /* loop until process terminated or stopped */ while (job->state == JOBRUNNING) - blocking_wait_with_raise_on_sig(NULL); + blocking_wait_with_raise_on_sig(); job->waited = 1; retval = getstatus(job); repeat: ; |