int
jobscmd(int argc, char *argv[])
{
char *id;
int ch, sformat, lformat;
optind = optreset = 1;
opterr = 0;
sformat = lformat = 0;
while ((ch = getopt(argc, argv, "ls")) != -1) {
switch (ch) {
case 'l':
lformat = 1;
break;
case 's':
sformat = 1;
break;
case '?':
default:
error("unknown option: -%c", optopt);
}
}
argc -= optind;
argv += optind;
if (argc == 0)
showjobs(0, sformat, lformat);
else
while ((id = *argv++) != NULL)
showjob(getjob(id), 0, sformat, lformat);
return (0);
}
void
showjobs(int change, int mode)
{
int jobno;
struct job *jp;
TRACE(("showjobs(%d) called\n", change));
checkzombies();
for (jobno = 1, jp = jobtab ; jobno <= njobs ; jobno++, jp++) {
if (! jp->used)
continue;
if (jp->nprocs == 0) {
freejob(jp);
continue;
}
if (change && ! jp->changed)
continue;
showjob(jp, mode);
jp->changed = 0;
/* Hack: discard jobs for which $! has not been referenced
* in interactive mode when they terminate.
*/
if (jp->state == JOBDONE && !jp->remembered &&
(iflag || jp != bgjob)) {
freejob(jp);
}
}
}
void
showjobs(struct output *out, int mode)
{
int jobno;
struct job *jp;
int silent = 0, gotpid;
TRACE(("showjobs(%x) called\n", mode));
/* If not even one one job changed, there is nothing to do */
gotpid = dowait(0, NULL);
while (dowait(0, NULL) > 0)
continue;
#ifdef JOBS
/*
* Check if we are not in our foreground group, and if not
* put us in it.
*/
if (mflag && gotpid != -1 && tcgetpgrp(ttyfd) != getpid()) {
if (tcsetpgrp(ttyfd, getpid()) == -1)
error("Cannot set tty process group (%s) at %d",
strerror(errno), __LINE__);
TRACE(("repaired tty process group\n"));
silent = 1;
}
#endif
if (jobs_invalid)
return;
for (jobno = 1, jp = jobtab ; jobno <= njobs ; jobno++, jp++) {
if (!jp->used)
continue;
if (jp->nprocs == 0) {
freejob(jp);
continue;
}
if ((mode & SHOW_CHANGED) && !jp->changed)
continue;
if (silent && jp->changed) {
jp->changed = 0;
continue;
}
showjob(out, jp, mode);
}
}
int
jobscmd(int argc, char **argv)
{
int mode, m;
int sv = jobs_invalid;
jobs_invalid = 0;
mode = 0;
while ((m = nextopt("lp")))
if (m == 'l')
mode = SHOW_PID;
else
mode = SHOW_PGID;
if (*argptr)
do
showjob(out1, getjob(*argptr,0), mode);
while (*++argptr);
else
showjobs(out1, mode);
jobs_invalid = sv;
return 0;
}
void
showjobs(int change, int sformat, int lformat)
{
int jobno;
struct job *jp;
TRACE(("showjobs(%d) called\n", change));
while (dowait(0, (struct job *)NULL) > 0);
for (jobno = 1, jp = jobtab ; jobno <= njobs ; jobno++, jp++) {
if (! jp->used)
continue;
if (jp->nprocs == 0) {
freejob(jp);
continue;
}
if (change && ! jp->changed)
continue;
showjob(jp, 0, sformat, lformat);
jp->changed = 0;
if (jp->state == JOBDONE) {
freejob(jp);
}
}
}
int
jobscmd(int argc, char *argv[])
{
char *id;
int ch, mode;
optind = optreset = 1;
opterr = 0;
mode = SHOWJOBS_DEFAULT;
while ((ch = getopt(argc, argv, "lps")) != -1) {
switch (ch) {
case 'l':
mode = SHOWJOBS_VERBOSE;
break;
case 'p':
mode = SHOWJOBS_PGIDS;
break;
case 's':
mode = SHOWJOBS_PIDS;
break;
case '?':
default:
error("unknown option: -%c", optopt);
}
}
argc -= optind;
argv += optind;
if (argc == 0)
showjobs(0, mode);
else
while ((id = *argv++) != NULL)
showjob(getjob(id), 0, mode);
return (0);
}
STATIC int
dowait(int flags, struct job *job)
{
int pid;
int status;
struct procstat *sp;
struct job *jp;
struct job *thisjob;
int done;
int stopped;
extern volatile char gotsig[];
TRACE(("dowait(%x) called\n", flags));
do {
pid = waitproc(flags & WBLOCK, job, &status);
TRACE(("wait returns pid %d, status %d\n", pid, status));
} while (pid == -1 && errno == EINTR && gotsig[SIGINT - 1] == 0);
if (pid <= 0)
return pid;
INTOFF;
thisjob = NULL;
for (jp = jobtab ; jp < jobtab + njobs ; jp++) {
if (jp->used) {
done = 1;
stopped = 1;
for (sp = jp->ps ; sp < jp->ps + jp->nprocs ; sp++) {
if (sp->pid == -1)
continue;
if (sp->pid == pid) {
TRACE(("Job %d: changing status of proc %d from 0x%x to 0x%x\n", jp - jobtab + 1, pid, sp->status, status));
sp->status = status;
thisjob = jp;
}
if (sp->status == -1)
stopped = 0;
else if (WIFSTOPPED(sp->status))
done = 0;
}
if (stopped) { /* stopped or done */
int state = done ? JOBDONE : JOBSTOPPED;
if (jp->state != state) {
TRACE(("Job %d: changing state from %d to %d\n", jp - jobtab + 1, jp->state, state));
jp->state = state;
#if JOBS
if (done)
set_curjob(jp, 0);
#endif
}
}
}
}
if (thisjob && thisjob->state != JOBRUNNING) {
int mode = 0;
if (!rootshell || !iflag)
mode = SHOW_SIGNALLED;
if ((job == thisjob && (flags & WNOFREE) == 0) ||
(job != thisjob && (flags & WNOFREE) != 0))
mode = SHOW_SIGNALLED | SHOW_NO_FREE;
if (mode)
showjob(out2, thisjob, mode);
else {
TRACE(("Not printing status, rootshell=%d, job=%p\n",
rootshell, job));
thisjob->changed = 1;
}
}
INTON;
return pid;
}
