diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 6 | ||||
| -rw-r--r-- | shell/hush.c | 28 |
2 files changed, 18 insertions, 16 deletions
diff --git a/shell/ash.c b/shell/ash.c index f4d2962..aa2a93b 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -4610,7 +4610,7 @@ getstatus(struct job *job) job->sigint = 1; #endif } - retval += 128; + retval |= 128; } TRACE(("getstatus: job %d, nproc %d, status 0x%x, retval 0x%x\n", jobno(job), job->nprocs, status, retval)); @@ -4676,7 +4676,7 @@ waitcmd(int argc UNUSED_PARAM, char **argv) if (status != -1 && !WIFSTOPPED(status)) { retval = WEXITSTATUS(status); if (WIFSIGNALED(status)) - retval = WTERMSIG(status) + 128; + retval = 128 | WTERMSIG(status); goto ret; } } @@ -4711,7 +4711,7 @@ waitcmd(int argc UNUSED_PARAM, char **argv) ret: return retval; sigout: - retval = 128 + pending_sig; + retval = 128 | pending_sig; return retval; } diff --git a/shell/hush.c b/shell/hush.c index dec5d54..6b8f1c8 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -1656,12 +1656,12 @@ static int refill_HFILE_and_getc(HFILE *fp) return EOF; } /* Try to buffer more input */ - fp->cur = fp->buf; n = safe_read(fp->fd, fp->buf, sizeof(fp->buf)); if (n < 0) { bb_simple_perror_msg("read error"); n = 0; } + fp->cur = fp->buf; fp->end = fp->buf + n; if (n == 0) { /* EOF/error */ @@ -2651,7 +2651,7 @@ static int get_user_input(struct in_str *i) /* ^C or SIGINT: return EOF */ /* bash prints ^C even on real SIGINT (non-kbd generated) */ write(STDOUT_FILENO, "^C\n", 3); - G.last_exitcode = 128 + SIGINT; + G.last_exitcode = 128 | SIGINT; i->p = NULL; i->peek_buf[0] = r = EOF; return r; @@ -2685,7 +2685,7 @@ static int get_user_input(struct in_str *i) */ check_and_run_traps(); if (G.flag_SIGINT) - G.last_exitcode = 128 + SIGINT; + G.last_exitcode = 128 | SIGINT; if (r != '\0') break; } @@ -8756,9 +8756,10 @@ static int process_wait_result(struct pipe *fg_pipe, pid_t childpid, int status) puts(sig == SIGINT || sig == SIGPIPE ? "" : strsignal(sig)); } /* TODO: if (WCOREDUMP(status)) + " (core dumped)"; */ - /* TODO: MIPS has 128 sigs (1..128), what if sig==128 here? - * Maybe we need to use sig | 128? */ - ex = sig + 128; + /* MIPS has 128 sigs (1..128), if sig==128, + * 128 + sig would result in exitcode 256 -> 0! + */ + ex = 128 | sig; } fg_pipe->cmds[i].cmd_exitcode = ex; } else { @@ -8805,7 +8806,8 @@ static int process_wait_result(struct pipe *fg_pipe, pid_t childpid, int status) /* child exited */ int rcode = WEXITSTATUS(status); if (WIFSIGNALED(status)) - rcode = 128 + WTERMSIG(status); + /* NB: not 128 + sig, MIPS has sig 128 */ + rcode = 128 | WTERMSIG(status); pi->cmds[i].cmd_exitcode = rcode; if (G.last_bg_pid == pi->cmds[i].pid) G.last_bg_pid_exitcode = rcode; @@ -8925,10 +8927,10 @@ static int checkjobs(struct pipe *fg_pipe, pid_t waitfor_pid) debug_printf_exec("childpid==waitfor_pid:%d status:0x%08x\n", childpid, status); rcode = WEXITSTATUS(status); if (WIFSIGNALED(status)) - rcode = 128 + WTERMSIG(status); + rcode = 128 | WTERMSIG(status); if (WIFSTOPPED(status)) - /* bash: "cmd & wait $!" and cmd stops: $? = 128 + stopsig */ - rcode = 128 + WSTOPSIG(status); + /* bash: "cmd & wait $!" and cmd stops: $? = 128 | stopsig */ + rcode = 128 | WSTOPSIG(status); rcode++; break; /* "wait PID" called us, give it exitcode+1 */ } @@ -9318,7 +9320,7 @@ static NOINLINE int run_pipe(struct pipe *pi) * during builtin/nofork. */ if (sigismember(&G.pending_set, SIGINT)) - rcode = 128 + SIGINT; + rcode = 128 | SIGINT; } free(argv_expanded); IF_HAS_KEYWORDS(if (pi->pi_inverted) rcode = !rcode;) @@ -11718,7 +11720,7 @@ static int wait_for_child_or_signal(struct pipe *waitfor_pipe, pid_t waitfor_pid sig = check_and_run_traps(); if (sig /*&& sig != SIGCHLD - always true */) { /* Do this for any (non-ignored) signal, not only for ^C */ - ret = 128 + sig; + ret = 128 | sig; break; } /* SIGCHLD, or no signal, or ignored one, such as SIGQUIT. Repeat */ @@ -11818,7 +11820,7 @@ static int FAST_FUNC builtin_wait(char **argv) process_wait_result(NULL, pid, status); ret = WEXITSTATUS(status); if (WIFSIGNALED(status)) - ret = 128 + WTERMSIG(status); + ret = 128 | WTERMSIG(status); } } while (*++argv); |