1 2277c5d7 2004-03-21 devnull #include <u.h>
  2 2277c5d7 2004-03-21 devnull #include <libc.h>
  3 2277c5d7 2004-03-21 devnull #include <fcall.h>
  4 2277c5d7 2004-03-21 devnull #include <thread.h>
  5 2277c5d7 2004-03-21 devnull #include <9p.h>
  6 2277c5d7 2004-03-21 devnull 
  7 2277c5d7 2004-03-21 devnull static void
  8 2277c5d7 2004-03-21 devnull increqref(void *v)
  9 2277c5d7 2004-03-21 devnull {
 10 2277c5d7 2004-03-21 devnull 	Req *r;
 11 2277c5d7 2004-03-21 devnull 
 12 2277c5d7 2004-03-21 devnull 	r = v;
 13 2277c5d7 2004-03-21 devnull 	if(r){
 14 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 15 2277c5d7 2004-03-21 devnull 	fprint(2, "increfreq %p %ld\n", r, r->ref.ref);
 16 2277c5d7 2004-03-21 devnull 		incref(&r->ref);
 17 2277c5d7 2004-03-21 devnull 	}
 18 2277c5d7 2004-03-21 devnull }
 19 2277c5d7 2004-03-21 devnull 
 20 2277c5d7 2004-03-21 devnull Reqpool*
 21 2277c5d7 2004-03-21 devnull allocreqpool(void (*destroy)(Req*))
 22 2277c5d7 2004-03-21 devnull {
 23 2277c5d7 2004-03-21 devnull 	Reqpool *f;
 24 2277c5d7 2004-03-21 devnull 
 25 2277c5d7 2004-03-21 devnull 	f = emalloc9p(sizeof *f);
 26 2277c5d7 2004-03-21 devnull 	f->map = allocmap(increqref);
 27 2277c5d7 2004-03-21 devnull 	f->destroy = destroy;
 28 2277c5d7 2004-03-21 devnull 	return f;
 29 2277c5d7 2004-03-21 devnull }
 30 2277c5d7 2004-03-21 devnull 
 31 2277c5d7 2004-03-21 devnull void
 32 2277c5d7 2004-03-21 devnull freereqpool(Reqpool *p)
 33 2277c5d7 2004-03-21 devnull {
 34 2277c5d7 2004-03-21 devnull 	freemap(p->map, (void(*)(void*))p->destroy);
 35 2277c5d7 2004-03-21 devnull 	free(p);
 36 fa325e9b 2020-01-10 cross }
 37 2277c5d7 2004-03-21 devnull 
 38 2277c5d7 2004-03-21 devnull Req*
 39 2277c5d7 2004-03-21 devnull allocreq(Reqpool *pool, ulong tag)
 40 2277c5d7 2004-03-21 devnull {
 41 2277c5d7 2004-03-21 devnull 	Req *r;
 42 2277c5d7 2004-03-21 devnull 
 43 2277c5d7 2004-03-21 devnull 	r = emalloc9p(sizeof *r);
 44 2277c5d7 2004-03-21 devnull 	r->tag = tag;
 45 2277c5d7 2004-03-21 devnull 	r->pool = pool;
 46 2277c5d7 2004-03-21 devnull 
 47 2277c5d7 2004-03-21 devnull 	increqref(r);
 48 2277c5d7 2004-03-21 devnull 	increqref(r);
 49 2277c5d7 2004-03-21 devnull 	if(caninsertkey(pool->map, tag, r) == 0){
 50 2277c5d7 2004-03-21 devnull 		closereq(r);
 51 5c8a0421 2004-12-26 devnull 		closereq(r);
 52 2277c5d7 2004-03-21 devnull 		return nil;
 53 2277c5d7 2004-03-21 devnull 	}
 54 2277c5d7 2004-03-21 devnull 
 55 2277c5d7 2004-03-21 devnull 	return r;
 56 2277c5d7 2004-03-21 devnull }
 57 2277c5d7 2004-03-21 devnull 
 58 2277c5d7 2004-03-21 devnull Req*
 59 2277c5d7 2004-03-21 devnull lookupreq(Reqpool *pool, ulong tag)
 60 2277c5d7 2004-03-21 devnull {
 61 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 62 2277c5d7 2004-03-21 devnull 	fprint(2, "lookupreq %lud\n", tag);
 63 2277c5d7 2004-03-21 devnull 	return lookupkey(pool->map, tag);
 64 2277c5d7 2004-03-21 devnull }
 65 2277c5d7 2004-03-21 devnull 
 66 2277c5d7 2004-03-21 devnull void
 67 2277c5d7 2004-03-21 devnull closereq(Req *r)
 68 2277c5d7 2004-03-21 devnull {
 69 2277c5d7 2004-03-21 devnull 	if(r == nil)
 70 2277c5d7 2004-03-21 devnull 		return;
 71 2277c5d7 2004-03-21 devnull 
 72 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 73 2277c5d7 2004-03-21 devnull 	fprint(2, "closereq %p %ld\n", r, r->ref.ref);
 74 2277c5d7 2004-03-21 devnull 
 75 2277c5d7 2004-03-21 devnull 	if(decref(&r->ref) == 0){
 76 2277c5d7 2004-03-21 devnull 		if(r->fid)
 77 2277c5d7 2004-03-21 devnull 			closefid(r->fid);
 78 2277c5d7 2004-03-21 devnull 		if(r->newfid)
 79 2277c5d7 2004-03-21 devnull 			closefid(r->newfid);
 80 2277c5d7 2004-03-21 devnull 		if(r->afid)
 81 2277c5d7 2004-03-21 devnull 			closefid(r->afid);
 82 2277c5d7 2004-03-21 devnull 		if(r->oldreq)
 83 2277c5d7 2004-03-21 devnull 			closereq(r->oldreq);
 84 90a35657 2006-04-19 devnull 		if(r->nflush)
 85 90a35657 2006-04-19 devnull 			fprint(2, "closereq: flushes remaining\n");
 86 2277c5d7 2004-03-21 devnull 		free(r->flush);
 87 2277c5d7 2004-03-21 devnull 		switch(r->ifcall.type){
 88 2277c5d7 2004-03-21 devnull 		case Tstat:
 89 2277c5d7 2004-03-21 devnull 			free(r->ofcall.stat);
 90 2277c5d7 2004-03-21 devnull 			free(r->d.name);
 91 2277c5d7 2004-03-21 devnull 			free(r->d.uid);
 92 2277c5d7 2004-03-21 devnull 			free(r->d.gid);
 93 2277c5d7 2004-03-21 devnull 			free(r->d.muid);
 94 2277c5d7 2004-03-21 devnull 			break;
 95 2277c5d7 2004-03-21 devnull 		}
 96 2277c5d7 2004-03-21 devnull 		if(r->pool->destroy)
 97 2277c5d7 2004-03-21 devnull 			r->pool->destroy(r);
 98 2277c5d7 2004-03-21 devnull 		free(r->buf);
 99 2277c5d7 2004-03-21 devnull 		free(r->rbuf);
100 2277c5d7 2004-03-21 devnull 		free(r);
101 2277c5d7 2004-03-21 devnull 	}
102 2277c5d7 2004-03-21 devnull }
103 2277c5d7 2004-03-21 devnull 
104 2277c5d7 2004-03-21 devnull Req*
105 2277c5d7 2004-03-21 devnull removereq(Reqpool *pool, ulong tag)
106 2277c5d7 2004-03-21 devnull {
107 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
108 2277c5d7 2004-03-21 devnull 	fprint(2, "removereq %lud\n", tag);
109 2277c5d7 2004-03-21 devnull 	return deletekey(pool->map, tag);
110 2277c5d7 2004-03-21 devnull }