예제 #1
0
파일: jobs.c 프로젝트: dpl0/soc2013
int
bgcmd(int argc, char **argv)
{
	struct job *jp;

	do {
		jp = getjob(*++argv);
		if (jp->jobctl == 0)
			error("job not created under job control");
		if (jp->state == JOBDONE)
			continue;
		restartjob(jp);
		jp->foreground = 0;
		out1fmt("[%td] ", jp - jobtab + 1);
		printjobcmd(jp);
	} while (--argc > 1);
	return 0;
}
예제 #2
0
파일: jobs.c 프로젝트: dpl0/soc2013
int
fgcmd(int argc __unused, char **argv)
{
	struct job *jp;
	pid_t pgrp;
	int status;

	jp = getjob(argv[1]);
	if (jp->jobctl == 0)
		error("job not created under job control");
	printjobcmd(jp);
	flushout(&output);
	pgrp = jp->ps[0].pid;
	tcsetpgrp(ttyfd, pgrp);
	restartjob(jp);
	jp->foreground = 1;
	INTOFF;
	status = waitforjob(jp, (int *)NULL);
	INTON;
	return status;
}
예제 #3
0
static void
showjob(struct job *jp, int mode)
{
	char s[64];
	char statestr[64];
	struct procstat *ps;
	struct job *j;
	int col, curr, i, jobno, prev, procno;
	char c;

	procno = (mode == SHOWJOBS_PGIDS) ? 1 : jp->nprocs;
	jobno = jp - jobtab + 1;
	curr = prev = 0;
#if JOBS
	if ((j = getcurjob(NULL)) != NULL) {
		curr = j - jobtab + 1;
		if ((j = getcurjob(j)) != NULL)
			prev = j - jobtab + 1;
	}
#endif
	ps = jp->ps + jp->nprocs - 1;
	if (jp->state == 0) {
		strcpy(statestr, "Running");
#if JOBS
	} else if (jp->state == JOBSTOPPED) {
		while (!WIFSTOPPED(ps->status) && ps > jp->ps)
			ps--;
		if (WIFSTOPPED(ps->status))
			i = WSTOPSIG(ps->status);
		else
			i = -1;
		if (i > 0 && i < sys_nsig && sys_siglist[i])
			strcpy(statestr, sys_siglist[i]);
		else
			strcpy(statestr, "Suspended");
#endif
	} else if (WIFEXITED(ps->status)) {
		if (WEXITSTATUS(ps->status) == 0)
			strcpy(statestr, "Done");
		else
			fmtstr(statestr, 64, "Done(%d)",
			    WEXITSTATUS(ps->status));
	} else {
		i = WTERMSIG(ps->status);
		if (i > 0 && i < sys_nsig && sys_siglist[i])
			strcpy(statestr, sys_siglist[i]);
		else
			fmtstr(statestr, 64, "Signal %d", i);
		if (WCOREDUMP(ps->status))
			strcat(statestr, " (core dumped)");
	}

	for (ps = jp->ps ; ; ps++) {	/* for each process */
		if (mode == SHOWJOBS_PIDS || mode == SHOWJOBS_PGIDS) {
			out1fmt("%d\n", (int)ps->pid);
			goto skip;
		}
		if (mode != SHOWJOBS_VERBOSE && ps != jp->ps)
			goto skip;
		if (jobno == curr && ps == jp->ps)
			c = '+';
		else if (jobno == prev && ps == jp->ps)
			c = '-';
		else
			c = ' ';
		if (ps == jp->ps)
			fmtstr(s, 64, "[%d] %c ", jobno, c);
		else
			fmtstr(s, 64, "    %c ", c);
		out1str(s);
		col = strlen(s);
		if (mode == SHOWJOBS_VERBOSE) {
			fmtstr(s, 64, "%d ", (int)ps->pid);
			out1str(s);
			col += strlen(s);
		}
		if (ps == jp->ps) {
			out1str(statestr);
			col += strlen(statestr);
		}
		do {
			out1c(' ');
			col++;
		} while (col < 30);
		if (mode == SHOWJOBS_VERBOSE) {
			out1str(ps->cmd);
			out1c('\n');
		} else
			printjobcmd(jp);
skip:		if (--procno <= 0)
			break;
	}
}