diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/shell/ash.c b/shell/ash.c index 077f5e5fc..1ec6c96c3 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -3240,9 +3240,9 @@ unaliascmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) #define FORK_NOJOB 2 /* mode flags for showjob(s) */ -#define SHOW_PGID 0x01 /* only show pgid - for jobs -p */ -#define SHOW_PID 0x04 /* include process pid */ -#define SHOW_CHANGED 0x08 /* only jobs whose state has changed */ +#define SHOW_ONLY_PGID 0x01 /* show only pgid (jobs -p) */ +#define SHOW_PIDS 0x02 /* show individual pids, not just one line per job */ +#define SHOW_CHANGED 0x04 /* only jobs whose state has changed */ /* * A job structure contains information about a job. A job is either a @@ -3250,7 +3250,6 @@ unaliascmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) * latter case, pidlist will be non-NULL, and will point to a -1 terminated * array of pids. */ - struct procstat { pid_t pid; /* process id */ int status; /* last process status from wait() */ @@ -3935,7 +3934,7 @@ showjob(FILE *out, struct job *jp, int mode) ps = jp->ps; - if (mode & SHOW_PGID) { + if (mode & SHOW_ONLY_PGID) { /* jobs -p */ /* just output process (group) id of pipeline */ fprintf(out, "%d\n", ps->pid); return; @@ -3945,11 +3944,11 @@ showjob(FILE *out, struct job *jp, int mode) indent_col = col; if (jp == curjob) - s[col - 2] = '+'; + s[col - 3] = '+'; else if (curjob && jp == curjob->prev_job) - s[col - 2] = '-'; + s[col - 3] = '-'; - if (mode & SHOW_PID) + if (mode & SHOW_PIDS) col += fmtstr(s + col, 16, "%d ", ps->pid); psend = ps + jp->nprocs; @@ -3963,25 +3962,32 @@ showjob(FILE *out, struct job *jp, int mode) status = jp->stopstatus; col += sprint_status(s + col, status, 0); } + /* By now, "[JOBID]* [maybe PID] STATUS" is printed */ + /* This loop either prints "<cmd1> | <cmd2> | <cmd3>" line + * or prints several "PID | <cmdN>" lines, + * depending on SHOW_PIDS bit. + * We do not print status of individual processes + * between PID and <cmdN>. bash does it, but not very well: + * first line shows overall job status, not process status, + * making it impossible to know 1st process status. + */ goto start; - - do { + while (1) { /* for each process */ - col = fmtstr(s, 48, " |\n%*c%d ", indent_col, ' ', ps->pid) - 3; + s[0] = '\0'; + col = 33; + if (mode & SHOW_PIDS) + col = fmtstr(s, 48, "\n%*c%d ", indent_col, ' ', ps->pid) - 1; start: - fprintf(out, "%s%*c%s", - s, 33 - col >= 0 ? 33 - col : 0, ' ', ps->cmd - ); - if (!(mode & SHOW_PID)) { - showpipe(jp, out); + fprintf(out, "%s%*c", s, 33 - col >= 0 ? 33 - col : 0, ' '); + if (ps != jp->ps) + fprintf(out, "| "); + fprintf(out, "%s", ps->cmd); + if (++ps == psend) break; - } - if (++ps == psend) { - outcslow('\n', out); - break; - } - } while (1); + } + outcslow('\n', out); jp->changed = 0; @@ -4021,15 +4027,15 @@ jobscmd(int argc UNUSED_PARAM, char **argv) mode = 0; while ((m = nextopt("lp"))) { if (m == 'l') - mode = SHOW_PID; + mode |= SHOW_PIDS; else - mode = SHOW_PGID; + mode |= SHOW_ONLY_PGID; } argv = argptr; if (*argv) { do - showjob(stdout, getjob(*argv,0), mode); + showjob(stdout, getjob(*argv, 0), mode); while (*++argv); } else showjobs(stdout, mode); |