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 <auth.h>
  4 2277c5d7 2004-03-21 devnull #include <fcall.h>
  5 2277c5d7 2004-03-21 devnull #include <thread.h>
  6 2277c5d7 2004-03-21 devnull #include <9p.h>
  7 2277c5d7 2004-03-21 devnull 
  8 2277c5d7 2004-03-21 devnull static void
  9 2277c5d7 2004-03-21 devnull increqref(void *v)
 10 2277c5d7 2004-03-21 devnull {
 11 2277c5d7 2004-03-21 devnull 	Req *r;
 12 2277c5d7 2004-03-21 devnull 
 13 2277c5d7 2004-03-21 devnull 	r = v;
 14 2277c5d7 2004-03-21 devnull 	if(r){
 15 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 16 2277c5d7 2004-03-21 devnull 	fprint(2, "increfreq %p %ld\n", r, r->ref.ref);
 17 2277c5d7 2004-03-21 devnull 		incref(&r->ref);
 18 2277c5d7 2004-03-21 devnull 	}
 19 2277c5d7 2004-03-21 devnull }
 20 2277c5d7 2004-03-21 devnull 
 21 2277c5d7 2004-03-21 devnull Reqpool*
 22 2277c5d7 2004-03-21 devnull allocreqpool(void (*destroy)(Req*))
 23 2277c5d7 2004-03-21 devnull {
 24 2277c5d7 2004-03-21 devnull 	Reqpool *f;
 25 2277c5d7 2004-03-21 devnull 
 26 2277c5d7 2004-03-21 devnull 	f = emalloc9p(sizeof *f);
 27 2277c5d7 2004-03-21 devnull 	f->map = allocmap(increqref);
 28 2277c5d7 2004-03-21 devnull 	f->destroy = destroy;
 29 2277c5d7 2004-03-21 devnull 	return f;
 30 2277c5d7 2004-03-21 devnull }
 31 2277c5d7 2004-03-21 devnull 
 32 2277c5d7 2004-03-21 devnull void
 33 2277c5d7 2004-03-21 devnull freereqpool(Reqpool *p)
 34 2277c5d7 2004-03-21 devnull {
 35 2277c5d7 2004-03-21 devnull 	freemap(p->map, (void(*)(void*))p->destroy);
 36 2277c5d7 2004-03-21 devnull 	free(p);
 37 2277c5d7 2004-03-21 devnull }	
 38 2277c5d7 2004-03-21 devnull 
 39 2277c5d7 2004-03-21 devnull Req*
 40 2277c5d7 2004-03-21 devnull allocreq(Reqpool *pool, ulong tag)
 41 2277c5d7 2004-03-21 devnull {
 42 2277c5d7 2004-03-21 devnull 	Req *r;
 43 2277c5d7 2004-03-21 devnull 
 44 2277c5d7 2004-03-21 devnull 	r = emalloc9p(sizeof *r);
 45 2277c5d7 2004-03-21 devnull 	r->tag = tag;
 46 2277c5d7 2004-03-21 devnull 	r->pool = pool;
 47 2277c5d7 2004-03-21 devnull 
 48 2277c5d7 2004-03-21 devnull 	increqref(r);
 49 2277c5d7 2004-03-21 devnull 	increqref(r);
 50 2277c5d7 2004-03-21 devnull 	if(caninsertkey(pool->map, tag, r) == 0){
 51 2277c5d7 2004-03-21 devnull 		closereq(r);
 52 5c8a0421 2004-12-26 devnull 		closereq(r);
 53 2277c5d7 2004-03-21 devnull 		return nil;
 54 2277c5d7 2004-03-21 devnull 	}
 55 2277c5d7 2004-03-21 devnull 
 56 2277c5d7 2004-03-21 devnull 	return r;
 57 2277c5d7 2004-03-21 devnull }
 58 2277c5d7 2004-03-21 devnull 
 59 2277c5d7 2004-03-21 devnull Req*
 60 2277c5d7 2004-03-21 devnull lookupreq(Reqpool *pool, ulong tag)
 61 2277c5d7 2004-03-21 devnull {
 62 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 63 2277c5d7 2004-03-21 devnull 	fprint(2, "lookupreq %lud\n", tag);
 64 2277c5d7 2004-03-21 devnull 	return lookupkey(pool->map, tag);
 65 2277c5d7 2004-03-21 devnull }
 66 2277c5d7 2004-03-21 devnull 
 67 2277c5d7 2004-03-21 devnull void
 68 2277c5d7 2004-03-21 devnull closereq(Req *r)
 69 2277c5d7 2004-03-21 devnull {
 70 2277c5d7 2004-03-21 devnull 	if(r == nil)
 71 2277c5d7 2004-03-21 devnull 		return;
 72 2277c5d7 2004-03-21 devnull 
 73 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
 74 2277c5d7 2004-03-21 devnull 	fprint(2, "closereq %p %ld\n", r, r->ref.ref);
 75 2277c5d7 2004-03-21 devnull 
 76 2277c5d7 2004-03-21 devnull 	if(decref(&r->ref) == 0){
 77 2277c5d7 2004-03-21 devnull 		if(r->fid)
 78 2277c5d7 2004-03-21 devnull 			closefid(r->fid);
 79 2277c5d7 2004-03-21 devnull 		if(r->newfid)
 80 2277c5d7 2004-03-21 devnull 			closefid(r->newfid);
 81 2277c5d7 2004-03-21 devnull 		if(r->afid)
 82 2277c5d7 2004-03-21 devnull 			closefid(r->afid);
 83 2277c5d7 2004-03-21 devnull 		if(r->oldreq)
 84 2277c5d7 2004-03-21 devnull 			closereq(r->oldreq);
 85 90a35657 2006-04-19 devnull 		if(r->nflush)
 86 90a35657 2006-04-19 devnull 			fprint(2, "closereq: flushes remaining\n");
 87 2277c5d7 2004-03-21 devnull 		free(r->flush);
 88 2277c5d7 2004-03-21 devnull 		switch(r->ifcall.type){
 89 2277c5d7 2004-03-21 devnull 		case Tstat:
 90 2277c5d7 2004-03-21 devnull 			free(r->ofcall.stat);
 91 2277c5d7 2004-03-21 devnull 			free(r->d.name);
 92 2277c5d7 2004-03-21 devnull 			free(r->d.uid);
 93 2277c5d7 2004-03-21 devnull 			free(r->d.gid);
 94 2277c5d7 2004-03-21 devnull 			free(r->d.muid);
 95 2277c5d7 2004-03-21 devnull 			break;
 96 2277c5d7 2004-03-21 devnull 		}
 97 2277c5d7 2004-03-21 devnull 		if(r->pool->destroy)
 98 2277c5d7 2004-03-21 devnull 			r->pool->destroy(r);
 99 2277c5d7 2004-03-21 devnull 		free(r->buf);
100 2277c5d7 2004-03-21 devnull 		free(r->rbuf);
101 2277c5d7 2004-03-21 devnull 		free(r);
102 2277c5d7 2004-03-21 devnull 	}
103 2277c5d7 2004-03-21 devnull }
104 2277c5d7 2004-03-21 devnull 
105 2277c5d7 2004-03-21 devnull Req*
106 2277c5d7 2004-03-21 devnull removereq(Reqpool *pool, ulong tag)
107 2277c5d7 2004-03-21 devnull {
108 2277c5d7 2004-03-21 devnull if(chatty9p > 1)
109 2277c5d7 2004-03-21 devnull 	fprint(2, "removereq %lud\n", tag);
110 2277c5d7 2004-03-21 devnull 	return deletekey(pool->map, tag);
111 2277c5d7 2004-03-21 devnull }