Print this page
patch fix-compile


  49 #include <sys/cpuvar.h>
  50 #include <sys/priocntl.h>
  51 
  52 /*
  53  * Class specific code for the sys class. There are no
  54  * class specific data structures associated with
  55  * the sys class and the scheduling policy is trivially
  56  * simple. There is no time slicing.
  57  */
  58 
  59 pri_t           sys_init(id_t, int, classfuncs_t **);
  60 static int      sys_getclpri(pcpri_t *);
  61 static int      sys_fork(kthread_t *, kthread_t *, void *);
  62 static int      sys_enterclass(kthread_t *, id_t, void *, cred_t *, void *);
  63 static int      sys_canexit(kthread_t *, cred_t *);
  64 static int      sys_nosys();
  65 static int      sys_donice(kthread_t *, cred_t *, int, int *);
  66 static int      sys_doprio(kthread_t *, cred_t *, int, int *);
  67 static void     sys_forkret(kthread_t *, kthread_t *);
  68 static void     sys_nullsys();
  69 static pri_t    sys_swappri(kthread_t *, int);
  70 static int      sys_alloc(void **, int);
  71 
  72 struct classfuncs sys_classfuncs = {
  73         /* messages to class manager */
  74         {
  75                 sys_nosys,      /* admin */
  76                 sys_nosys,      /* getclinfo */
  77                 sys_nosys,      /* parmsin */
  78                 sys_nosys,      /* parmsout */
  79                 sys_nosys,      /* vaparmsin */
  80                 sys_nosys,      /* vaparmsout */
  81                 sys_getclpri,   /* getclpri */
  82                 sys_alloc,
  83                 sys_nullsys,    /* free */
  84         },
  85         /* operations on threads */
  86         {
  87                 sys_enterclass, /* enterclass */
  88                 sys_nullsys,    /* exitclass */
  89                 sys_canexit,
  90                 sys_fork,
  91                 sys_forkret,    /* forkret */
  92                 sys_nullsys,    /* parmsget */
  93                 sys_nosys,      /* parmsset */
  94                 sys_nullsys,    /* stop */
  95                 sys_nullsys,    /* exit */
  96                 sys_nullsys,    /* active */
  97                 sys_nullsys,    /* inactive */
  98                 sys_swappri,    /* swapin */
  99                 sys_swappri,    /* swapout */
 100                 sys_nullsys,    /* trapret */
 101                 setfrontdq,     /* preempt */
 102                 setbackdq,      /* setrun */
 103                 sys_nullsys,    /* sleep */
 104                 sys_nullsys,    /* tick */
 105                 setbackdq,      /* wakeup */
 106                 sys_donice,
 107                 (pri_t (*)())sys_nosys, /* globpri */
 108                 sys_nullsys,    /* set_process_group */
 109                 sys_nullsys,    /* yield */
 110                 sys_doprio,
 111         }
 112 
 113 };
 114 
 115 
 116 /* ARGSUSED */
 117 pri_t
 118 sys_init(cid, clparmsz, clfuncspp)
 119         id_t            cid;


 177         register proc_t *pp = ttoproc(t);
 178         register proc_t *cp = ttoproc(ct);
 179 
 180         ASSERT(t == curthread);
 181         ASSERT(MUTEX_HELD(&pidlock));
 182 
 183         /*
 184          * Grab the child's p_lock before dropping pidlock to ensure
 185          * the process does not disappear before we set it running.
 186          */
 187         mutex_enter(&cp->p_lock);
 188         mutex_exit(&pidlock);
 189         continuelwps(cp);
 190         mutex_exit(&cp->p_lock);
 191 
 192         mutex_enter(&pp->p_lock);
 193         continuelwps(pp);
 194         mutex_exit(&pp->p_lock);
 195 }
 196 
 197 /* ARGSUSED */
 198 static pri_t
 199 sys_swappri(t, flags)
 200         kthread_t       *t;
 201         int             flags;
 202 {
 203         return (-1);
 204 }
 205 
 206 static int
 207 sys_nosys()
 208 {
 209         return (ENOSYS);
 210 }
 211 
 212 
 213 static void
 214 sys_nullsys()
 215 {
 216 }
 217 
 218 /* ARGSUSED */
 219 static int
 220 sys_donice(kthread_t *t, cred_t *cr, int incr, int *retvalp)
 221 {
 222         return (EINVAL);
 223 }
 224 
 225 /* ARGSUSED */


  49 #include <sys/cpuvar.h>
  50 #include <sys/priocntl.h>
  51 
  52 /*
  53  * Class specific code for the sys class. There are no
  54  * class specific data structures associated with
  55  * the sys class and the scheduling policy is trivially
  56  * simple. There is no time slicing.
  57  */
  58 
  59 pri_t           sys_init(id_t, int, classfuncs_t **);
  60 static int      sys_getclpri(pcpri_t *);
  61 static int      sys_fork(kthread_t *, kthread_t *, void *);
  62 static int      sys_enterclass(kthread_t *, id_t, void *, cred_t *, void *);
  63 static int      sys_canexit(kthread_t *, cred_t *);
  64 static int      sys_nosys();
  65 static int      sys_donice(kthread_t *, cred_t *, int, int *);
  66 static int      sys_doprio(kthread_t *, cred_t *, int, int *);
  67 static void     sys_forkret(kthread_t *, kthread_t *);
  68 static void     sys_nullsys();

  69 static int      sys_alloc(void **, int);
  70 
  71 struct classfuncs sys_classfuncs = {
  72         /* messages to class manager */
  73         {
  74                 sys_nosys,      /* admin */
  75                 sys_nosys,      /* getclinfo */
  76                 sys_nosys,      /* parmsin */
  77                 sys_nosys,      /* parmsout */
  78                 sys_nosys,      /* vaparmsin */
  79                 sys_nosys,      /* vaparmsout */
  80                 sys_getclpri,   /* getclpri */
  81                 sys_alloc,
  82                 sys_nullsys,    /* free */
  83         },
  84         /* operations on threads */
  85         {
  86                 sys_enterclass, /* enterclass */
  87                 sys_nullsys,    /* exitclass */
  88                 sys_canexit,
  89                 sys_fork,
  90                 sys_forkret,    /* forkret */
  91                 sys_nullsys,    /* parmsget */
  92                 sys_nosys,      /* parmsset */
  93                 sys_nullsys,    /* stop */
  94                 sys_nullsys,    /* exit */
  95                 sys_nullsys,    /* active */
  96                 sys_nullsys,    /* inactive */


  97                 sys_nullsys,    /* trapret */
  98                 setfrontdq,     /* preempt */
  99                 setbackdq,      /* setrun */
 100                 sys_nullsys,    /* sleep */
 101                 sys_nullsys,    /* tick */
 102                 setbackdq,      /* wakeup */
 103                 sys_donice,
 104                 (pri_t (*)())sys_nosys, /* globpri */
 105                 sys_nullsys,    /* set_process_group */
 106                 sys_nullsys,    /* yield */
 107                 sys_doprio,
 108         }
 109 
 110 };
 111 
 112 
 113 /* ARGSUSED */
 114 pri_t
 115 sys_init(cid, clparmsz, clfuncspp)
 116         id_t            cid;


 174         register proc_t *pp = ttoproc(t);
 175         register proc_t *cp = ttoproc(ct);
 176 
 177         ASSERT(t == curthread);
 178         ASSERT(MUTEX_HELD(&pidlock));
 179 
 180         /*
 181          * Grab the child's p_lock before dropping pidlock to ensure
 182          * the process does not disappear before we set it running.
 183          */
 184         mutex_enter(&cp->p_lock);
 185         mutex_exit(&pidlock);
 186         continuelwps(cp);
 187         mutex_exit(&cp->p_lock);
 188 
 189         mutex_enter(&pp->p_lock);
 190         continuelwps(pp);
 191         mutex_exit(&pp->p_lock);
 192 }
 193 









 194 static int
 195 sys_nosys()
 196 {
 197         return (ENOSYS);
 198 }
 199 
 200 
 201 static void
 202 sys_nullsys()
 203 {
 204 }
 205 
 206 /* ARGSUSED */
 207 static int
 208 sys_donice(kthread_t *t, cred_t *cr, int incr, int *retvalp)
 209 {
 210         return (EINVAL);
 211 }
 212 
 213 /* ARGSUSED */