fixed copy/paste problem and error handling

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9639 221aa14e-8319-0410-a670-987f0aec2ac5

diff --git a/gruel/src/lib/realtime.cc b/gruel/src/lib/realtime.cc
index 1de8b6dc0b80cc58533b6c1001bab6f98c4eaabc..d1907b3c14f450accbb7a9dc34894fb0b9b7ee52 100644 (file)
--- a/gruel/src/lib/realtime.cc
+++ b/gruel/src/lib/realtime.cc
@@ -70,19 +70,20 @@ namespace gruel {
   {
     int policy = p.policy == RT_SCHED_FIFO ? SCHED_FIFO : SCHED_RR;
     int min_real_pri = sched_get_priority_min(policy);
-    int max_real_pri = sched_get_priority_min(policy);
+    int max_real_pri = sched_get_priority_max(policy);
     int pri = rescale_virtual_pri(p.priority, min_real_pri, max_real_pri);
 
-    pthread_t this_thread = pthread_self ();  // this process
     struct sched_param param;
     memset (&param, 0, sizeof (param));
     param.sched_priority = pri;
-    int result = pthread_setschedparam (this_thread, policy, &param);
+    int result = pthread_setschedparam (pthread_self(), policy, &param);
     if (result != 0) {
-      if (errno == EPERM)
+      if (result == EPERM)     // N.B., return value, not errno
         return RT_NO_PRIVS;
       else {
-        perror ("pthread_setschedparam: failed to set real time priority");
+       fprintf(stderr,
+               "pthread_setschedparam: failed to set real time priority: %s\n",
+               strerror(result));
         return RT_OTHER_ERROR;
       }
     }
@@ -102,7 +103,7 @@ namespace gruel {
   {
     int policy = p.policy == RT_SCHED_FIFO ? SCHED_FIFO : SCHED_RR;
     int min_real_pri = sched_get_priority_min(policy);
-    int max_real_pri = sched_get_priority_min(policy);
+    int max_real_pri = sched_get_priority_max(policy);
     int pri = rescale_virtual_pri(p.priority, min_real_pri, max_real_pri);
 
     int pid = 0;  // this process