ref: b7105fe0662b57689f629ac768dd084f8a1589a4
dir: /sys/src/cmd/vmx/9p.c/
#include <u.h> #include <libc.h> #include <thread.h> #include <fcall.h> #include <9p.h> #include "dat.h" #include "fns.h" extern int regsfd; char Egreg[] = "the front fell off"; enum { Qregs, Qmem, Qmax }; static Dir files[] = { [Qregs] {.name "regs", .mode 0440}, [Qmem] {.name "mem", .mode 0440}, }; void srvread(Req *r) { int rc; switch((int)r->fid->qid.path){ case Qregs: rc = pread(regsfd, r->ofcall.data, r->ifcall.count, r->ifcall.offset); if(rc < 0) responderror(r); else{ r->ofcall.count = rc; respond(r, nil); } break; case Qmem: r->ofcall.count = vmemread(r->ofcall.data, r->ifcall.count, r->ifcall.offset); if(r->ofcall.count == 0) respond(r, "fault"); else respond(r, nil); break; default: respond(r, Egreg); } } Srv vmxsrv = { .read srvread, }; void init9p(char *srvname) { char *uid; int i; uid = getuser(); vmxsrv.tree = alloctree(uid, uid, 0770, nil); for(i = 0; i < Qmax; i++) createfile(vmxsrv.tree->root, files[i].name, uid, files[i].mode, nil); threadpostmountsrv(&vmxsrv, srvname, nil, 0); }