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Annotation of coherent/b/STREAMS/conf/loop/src/loop.h, revision 1.1.1.1

1.1       root        1: #ifndef        __LOOP_H__
                      2: #define        __LOOP_H__
                      3: 
                      4: /*
                      5:  * Definitions for the loop-around driver.
                      6:  */
                      7: 
                      8: /*
                      9:  * I_STR ioctl () command to connect a pair of streams.
                     10:  */
                     11: 
                     12: #define        LOOP_SET        (('l' << 8) | 1)
                     13: 
                     14: 
                     15: #if    _DDI_DKI
                     16: 
                     17: /*
                     18:  * Require definitions for queue_t and lock_t.
                     19:  */
                     20: 
                     21: #include <sys/ksynch.h>
                     22: #include <sys/stream.h>
                     23: 
                     24: 
                     25: /*
                     26:  * Definitions common to the "Driver.o" and "Space.c" file, for kernel
                     27:  * compiles only.
                     28:  */
                     29: 
                     30: struct loop {
                     31:        queue_t       * qptr;           /* back pointer to write queue */
                     32:        queue_t       * oqptr;          /* pointer to connected read queue */
                     33:        lock_t        * lck;
                     34: };
                     35: 
                     36: extern struct loop     loop_loop [];
                     37: extern int             loop_cnt;
                     38: 
                     39: #endif /* _DDI_DKI */
                     40: 
                     41: 
                     42: #endif /* ! defined (__LOOP_H__) */

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