xref: /optee_os/lib/libutils/isoc/bget.h (revision 817466cb476de705a8e3dabe1ef165fe27a18c2f)
1 /*
2  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
3  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
4  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
5  * IN NO EVENT SHALL ST BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
6  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
7  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
8  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
9  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
10  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
11  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
12  */
13 
14 /*
15 
16     Interface definitions for bget.c, the memory management package.
17 
18 */
19 
20 #ifndef _
21 #ifdef PROTOTYPES
22 #define  _(x)  x		      /* If compiler knows prototypes */
23 #else
24 #define  _(x)  ()                     /* It it doesn't */
25 #endif /* PROTOTYPES */
26 #endif
27 
28 typedef long bufsize;
29 struct bpoolset;
30 
31 void	bpool	    _((void *buffer, bufsize len, struct bpoolset *poolset));
32 void   *bget	    _((bufsize size, struct bpoolset *poolset));
33 void   *bgetz	    _((bufsize size, struct bpoolset *poolset));
34 void   *bgetr	    _((void *buffer, bufsize newsize,
35 		       struct bpoolset *poolset));
36 void	brel	    _((void *buf, struct bpoolset *poolset));
37 void	bectl	    _((int (*compact)(bufsize sizereq, int sequence),
38 		       void *(*acquire)(bufsize size),
39 		       void (*release)(void *buf), bufsize pool_incr,
40 		       struct bpoolset *poolset));
41 void	bstats	    _((bufsize *curalloc, bufsize *totfree, bufsize *maxfree,
42 		       long *nget, long *nrel, struct bpoolset *poolset));
43 void	bstatse     _((bufsize *pool_incr, long *npool, long *npget,
44 		       long *nprel, long *ndget, long *ndrel,
45 		       struct bpoolset *poolset));
46 void	bufdump     _((void *buf, struct bpoolset *poolset));
47 void	bpoold	    _((void *pool, int dumpalloc, int dumpfree));
48 int	bpoolv	    _((void *pool));
49