1991/1018/port/pgrp.c (diff list | history)

1991/1011/sys/src/9/port/pgrp.c:56,62 – 1991/1018/sys/src/9/port/pgrp.c:56,62 (short | long | prev | next)
1991/0705		ee = &egrpalloc.free[conf.npgrp]; for(e = egrpalloc.free; e < ee; e++) { e->next = e+1; e->etab = ialloc(conf.npgenv*sizeof(Envp*), 0);
1991/1018		e->etab = ialloc(conf.npgenv*sizeof(Env), 0);
1991/0705		} e[-1].next = 0;
1990/0227
1991/1011/sys/src/9/port/pgrp.c:222,240 – 1991/1018/sys/src/9/port/pgrp.c:222,239
1990/0227		}
1991/0705		void closeegrp(Egrp *e)
1991/1018		closeegrp(Egrp *eg)
1991/0705		{ Envp *ep;
1991/1018		Env *e;
1991/0705		int i; if(decref(e) == 0) { ep = e->etab; for(i=0; i<e->nenv; i++,ep++) if(ep->env) envpgclose(ep->env);
1991/1018		if(decref(eg) == 0) { e = eg->etab; for(i=0; i<eg->nenv; i++, e++) envpgclose(e);
1991/0705		lock(&egrpalloc); e->next = egrpalloc.free; egrpalloc.free = e;
1991/1018		eg->next = egrpalloc.free; egrpalloc.free = eg;
1991/0705		unlock(&egrpalloc); } }
1991/1011/sys/src/9/port/pgrp.c:292,332 – 1991/1018/sys/src/9/port/pgrp.c:291,307
1990/0227		void
1991/0705		envcpy(Egrp *to, Egrp *from)
1990/0227		{ Envp *ep; Env *e;
1991/0514		int i;
1991/1018		Env *te, *fe; int i, nenv;
1990/0227		lock(from); to->nenv = from->nenv; ep = to->etab; for(i=0; i<from->nenv; i++,ep++){ ep->chref = 0; e = ep->env = from->etab[i].env; if(e){ lock(e); if(waserror()){ unlock(e); unlock(from); ep->env = 0; nexterror(); } /* * If pgrp being forked has an open channel * on this env, it may write it after the fork * so make a copy now. * Don't worry about other pgrps, because they * will copy if they are about to write. */ if(from->etab[i].chref){ ep->env = copyenv(e, 0); unlock(ep->env); }else e->pgref++; poperror(); unlock(e); } }
1991/0514		unlock(from);
1991/1018		qlock(&from->ev); nenv = from->nenv; to->nenv = nenv; te = to->etab; fe = from->etab; for(i=0; i < nenv; i++, te++, fe++) envpgcopy(te, fe); qunlock(&from->ev);
1991/0514		} void