]> rtime.felk.cvut.cz Git - lincan.git/blobdiff - lincan/src/select.c
Structured comments updated.
[lincan.git] / lincan / src / select.c
index 79d97fcac4b75e275b997ee30f04c97fde70206e..894214d36493d442b18e80570d62c2449b285065 100644 (file)
@@ -20,9 +20,7 @@ unsigned int can_poll(struct file *file, poll_table *wait)
        struct canque_ends_t *qends;
        struct msgobj_t *obj;
         unsigned int mask = 0;
-       unsigned long flags;
        struct canque_edge_t *edge;
-       struct list_head *entry;
        int full=0;
        int i;
 
@@ -45,13 +43,10 @@ unsigned int can_poll(struct file *file, poll_table *wait)
         if ((file->f_mode & FMODE_WRITE) && !(file->f_flags & O_SYNC)) {
                 poll_wait(file, &qends->endinfo.fileinfo.writeq, wait);
 
-               spin_lock_irqsave(&qends->ends_lock, flags);
-               list_for_each(entry,&qends->inlist){
-                       edge=list_entry(entry,struct canque_edge_t,inpeers);
+               canque_for_each_inedge(qends, edge) {
                        if(canque_fifo_test_fl(&edge->fifo,FULL))
                                full=1;
                }
-               spin_unlock_irqrestore(&qends->ends_lock, flags);
 
                if(!full)
                        mask |= POLLOUT | POLLWRNORM;
@@ -60,13 +55,10 @@ unsigned int can_poll(struct file *file, poll_table *wait)
         if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_SYNC)) {
                 poll_wait(file, &qends->endinfo.fileinfo.emptyq, wait);
 
-               spin_lock_irqsave(&qends->ends_lock, flags);
-               list_for_each(entry,&qends->inlist){
-                       edge=list_entry(entry,struct canque_edge_t,inpeers);
+               canque_for_each_inedge(qends, edge) {
                        if(!canque_fifo_test_fl(&edge->fifo,EMPTY))
                                full=1;
                }
-               spin_unlock_irqrestore(&qends->ends_lock, flags);
 
                if(!full)
                        mask |= POLLOUT | POLLWRNORM;