1994/0804/port/devpipe.c (diff list | history)

1994/0503/sys/src/9/port/devpipe.c:22,28 – 1994/0804/sys/src/9/port/devpipe.c:22,27 (short | long | prev | next)
1992/0621		struct
1990/1009		{ Lock;
1992/0621		Pipe *pipe; ulong path;
1990/1009		} pipealloc;
1994/0503/sys/src/9/port/devpipe.c:85,92 – 1994/0804/sys/src/9/port/devpipe.c:84,89
1993/0528
1990/1009		lock(&pipealloc);
1992/0621		p->path = ++pipealloc.path; p->next = pipealloc.pipe; pipealloc.pipe = p;
1990/1009		unlock(&pipealloc);
1993/0528		c->qid = (Qid){CHDIR|NETQID(2*p->path, Qdir), 0};
1994/0503/sys/src/9/port/devpipe.c:223,229 – 1994/0804/sys/src/9/port/devpipe.c:220,226
1990/0227		void pipeclose(Chan *c) {
1992/0621		Pipe *p, *f, **l;
1994/0804		Pipe *p;
1990/0629
1993/0528		p = c->aux; qlock(p);
1994/0503/sys/src/9/port/devpipe.c:236,250 – 1994/0804/sys/src/9/port/devpipe.c:233,247
1993/1111		case Qdata0: p->qref[0]--; if(p->qref[0] == 0){ qclose(p->q[0]); qhangup(p->q[1]);
1994/0804		qclose(p->q[0]);
1993/1111		} break; case Qdata1: p->qref[1]--; if(p->qref[1] == 0){ qclose(p->q[1]); qhangup(p->q[0]);
1994/0804		qclose(p->q[1]);
1993/1111		} break;
1991/0314		}
1994/0503/sys/src/9/port/devpipe.c:265,286 – 1994/0804/sys/src/9/port/devpipe.c:262,272
1993/0528		p->ref--; if(p->ref == 0){ qunlock(p);
1990/11161		lock(&pipealloc);
1992/0621		l = &pipealloc.pipe; for(f = *l; f; f = f->next) { if(f == p) { *l = p->next; break; }
1992/0625		l = &f->next;
1992/0621		}
1990/11161		unlock(&pipealloc);
1993/0528		free(p->q[0]); free(p->q[1]);
1992/0621		free(p);
1990/11161		}
1993/0528		qunlock(p);
1994/0804		} else qunlock(p);
1990/0227		} long