chrt: non-Linux fix

Reported-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/schedutils/chrt.c b/schedutils/chrt.c
index 052ad7a1b5b777cdcd66f83259aab067c1a73ae6..b8890b3aab5f184b141df4a0abe0229178c7eb97 100644 (file)
--- a/schedutils/chrt.c
+++ b/schedutils/chrt.c
@@ -214,6 +214,7 @@ fallback:
 static void show_sched_info(struct chrt_ctl *ctl)
 {
        if (ctl->all_tasks) {
+#ifdef __linux__
                pid_t tid;
                struct proc_tasks *ts = proc_open_tasks(ctl->pid);
 
@@ -224,6 +225,9 @@ static void show_sched_info(struct chrt_ctl *ctl)
                        show_sched_pid_info(ctl, tid);
 
                proc_close_tasks(ts);
+#else
+               err(EXIT_FAILURE, _("cannot obtain the list of tasks"));
+#endif
        } else
                show_sched_pid_info(ctl, ctl->pid);
 }
@@ -320,6 +324,7 @@ static int set_sched_one(struct chrt_ctl *ctl, pid_t pid)
 static void set_sched(struct chrt_ctl *ctl)
 {
        if (ctl->all_tasks) {
+#ifdef __linux__
                pid_t tid;
                struct proc_tasks *ts = proc_open_tasks(ctl->pid);
 
@@ -331,7 +336,9 @@ static void set_sched(struct chrt_ctl *ctl)
                                err(EXIT_FAILURE, _("failed to set tid %d's policy"), tid);
 
                proc_close_tasks(ts);
-
+#else
+               err(EXIT_FAILURE, _("cannot obtain the list of tasks"));
+#endif
        } else if (set_sched_one(ctl, ctl->pid) == -1)
                err(EXIT_FAILURE, _("failed to set pid %d's policy"), ctl->pid);