setpriority()
{
register struct a {
int which;
int who;
int prio;
} *uap = (struct a *)u.u_ap;
register struct proc *p;
int found = 0;
switch (uap->which) {
case PRIO_PROCESS:
if (uap->who == 0)
p = u.u_procp;
else
p = pfind(uap->who);
if (p == 0)
break;
donice(p, uap->prio);
found++;
break;
case PRIO_PGRP:
if (uap->who == 0)
uap->who = u.u_procp->p_pgrp;
for (p = allproc; p != NULL; p = p->p_nxt)
if (p->p_pgrp == uap->who) {
donice(p, uap->prio);
found++;
}
break;
case PRIO_USER:
if (uap->who == 0)
uap->who = u.u_uid;
for (p = allproc; p != NULL; p = p->p_nxt)
if (p->p_uid == uap->who) {
donice(p, uap->prio);
found++;
}
break;
default:
u.u_error = EINVAL;
return;
}
if (found == 0)
u.u_error = ESRCH;
}
/*
* Change the priority (the nice value) of processes
* or groups of processes which are already running.
*/
int
main(int argc, char **argv)
{
int which = PRIO_PROCESS;
int who = 0, prio, errs = 0;
char *endptr = NULL;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
argc--;
argv++;
if (argc == 1) {
if (strcmp(*argv, "-h") == 0 ||
strcmp(*argv, "--help") == 0)
usage(stdout);
if (strcmp(*argv, "-v") == 0 ||
strcmp(*argv, "-V") == 0 ||
strcmp(*argv, "--version") == 0) {
printf(_("%s from %s\n"),
program_invocation_short_name, PACKAGE_STRING);
exit(EXIT_SUCCESS);
}
}
if (argc < 2)
usage(stderr);
if (strcmp(*argv, "-n") == 0 || strcmp(*argv, "--priority") == 0) {
argc--;
argv++;
}
prio = strtol(*argv, &endptr, 10);
if (*endptr)
usage(stderr);
argc--;
argv++;
for (; argc > 0; argc--, argv++) {
if (strcmp(*argv, "-g") == 0 || strcmp(*argv, "--pgrp") == 0) {
which = PRIO_PGRP;
continue;
}
if (strcmp(*argv, "-u") == 0 || strcmp(*argv, "--user") == 0) {
which = PRIO_USER;
continue;
}
if (strcmp(*argv, "-p") == 0 || strcmp(*argv, "--pid") == 0) {
which = PRIO_PROCESS;
continue;
}
if (which == PRIO_USER) {
register struct passwd *pwd = getpwnam(*argv);
if (pwd == NULL) {
warnx(_("unknown user %s"), *argv);
continue;
}
who = pwd->pw_uid;
} else {
who = strtol(*argv, &endptr, 10);
if (who < 0 || *endptr) {
warnx(_("bad value %s"), *argv);
continue;
}
}
errs += donice(which, who, prio);
}
return errs != 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
/*
* Change the priority (the nice value) of processes
* or groups of processes which are already running.
*/
int main(int argc, char **argv)
{
int which = PRIO_PROCESS;
int who = 0, prio, errs = 0;
char *endptr = NULL;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
argc--;
argv++;
if (argc == 1) {
if (strcmp(*argv, "-h") == 0 ||
strcmp(*argv, "--help") == 0)
usage(stdout);
if (strcmp(*argv, "-v") == 0 ||
strcmp(*argv, "-V") == 0 ||
strcmp(*argv, "--version") == 0) {
printf(UTIL_LINUX_VERSION);
return EXIT_SUCCESS;
}
}
if (*argv && (strcmp(*argv, "-n") == 0 || strcmp(*argv, "--priority") == 0)) {
argc--;
argv++;
}
if (argc < 2)
usage(stderr);
prio = strtol(*argv, &endptr, 10);
if (*endptr)
usage(stderr);
argc--;
argv++;
for (; argc > 0; argc--, argv++) {
if (strcmp(*argv, "-g") == 0 || strcmp(*argv, "--pgrp") == 0) {
which = PRIO_PGRP;
continue;
}
if (strcmp(*argv, "-u") == 0 || strcmp(*argv, "--user") == 0) {
which = PRIO_USER;
continue;
}
if (strcmp(*argv, "-p") == 0 || strcmp(*argv, "--pid") == 0) {
which = PRIO_PROCESS;
continue;
}
if (which == PRIO_USER) {
struct passwd *pwd = getpwnam(*argv);
if (pwd != NULL)
who = pwd->pw_uid;
else
who = strtol(*argv, &endptr, 10);
if (who < 0 || *endptr) {
warnx(_("unknown user %s"), *argv);
errs = 1;
continue;
}
} else {
who = strtol(*argv, &endptr, 10);
if (who < 0 || *endptr) {
/* TRANSLATORS: The first %s is one of the above
* three ID names. Read: "bad value for %s: %s" */
warnx(_("bad %s value: %s"), idtype[which], *argv);
errs = 1;
continue;
}
}
errs |= donice(which, who, prio);
}
return errs != 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
/*
* Change the priority (nice) of processes
* or groups of processes which are already
* running.
*/
int
main(int argc, char *argv[])
{
struct passwd *pwd;
int errs, incr, prio, which, who;
errs = 0;
incr = 0;
which = PRIO_PROCESS;
who = 0;
argc--, argv++;
if (argc < 2)
usage();
if (strcmp(*argv, "-n") == 0) {
incr = 1;
argc--, argv++;
if (argc < 2)
usage();
}
if (getnum("priority", *argv, &prio))
return (1);
argc--, argv++;
for (; argc > 0; argc--, argv++) {
if (strcmp(*argv, "-g") == 0) {
which = PRIO_PGRP;
continue;
}
if (strcmp(*argv, "-u") == 0) {
which = PRIO_USER;
continue;
}
if (strcmp(*argv, "-p") == 0) {
which = PRIO_PROCESS;
continue;
}
if (which == PRIO_USER) {
if ((pwd = getpwnam(*argv)) != NULL)
who = pwd->pw_uid;
else if (getnum("uid", *argv, &who)) {
errs++;
continue;
} else if (who < 0) {
warnx("%s: bad value", *argv);
errs++;
continue;
}
} else {
if (getnum("pid", *argv, &who)) {
errs++;
continue;
}
if (who < 0) {
warnx("%s: bad value", *argv);
errs++;
continue;
}
}
errs += donice(which, who, prio, incr);
}
exit(errs != 0);
}
