static void makeonenode(char *buf, size_t len, devmajor_t blk, devmajor_t chr, devminor_t dmin, const char *base, int c1, int c2) { char cstr1[2] = {0,0}, cstr2[2] = {0,0}; register_t rv; int error; if (c1 != -1) { cstr1[0] = '0' + c1; cstr1[1] = '\0'; } if (c2 != -1) { cstr2[0] = 'a' + c2; cstr2[1] = '\0'; } /* block device */ snprintf(buf, len, "/dev/%s%s%s", base, cstr1, cstr2); if (blk != NODEVMAJOR) { switch (doesitexist(buf, true, blk, dmin)) { case DIFFERENT: aprint_verbose("mkdevnodes: block device %s " "already exists\n", buf); break; case NOTEXIST: if ((error = do_sys_mknod(curlwp, buf, 0600 | S_IFBLK, makedev(blk, dmin), &rv, UIO_SYSSPACE)) != 0) aprint_verbose("mkdevnodes: failed to " "create %s: %d\n", buf, error); break; case SAME: /* done */ break; } snprintf(buf, len, "/dev/r%s%s%s", base, cstr1, cstr2); } switch (doesitexist(buf, true, chr, dmin)) { case DIFFERENT: aprint_verbose("mkdevnodes: character device %s " "already exists\n", buf); break; case NOTEXIST: if ((error = do_sys_mknod(curlwp, buf, 0600 | S_IFCHR, makedev(chr, dmin), &rv, UIO_SYSSPACE)) != 0) aprint_verbose("mkdevnodes: failed to " "create %s: %d\n", buf, error); break; case SAME: /* yeehaa */ break; } }
static int makedevnodes(dev_t devtype, const char *basename, char minchar, devmajor_t maj, devminor_t minnum, int nnodes) { int error = 0; char *devname, *p; size_t devlen; register_t retval; devlen = strlen(basename) + 1 + 1; /* +letter +0 */ devname = kmem_zalloc(devlen, KM_SLEEP); strlcpy(devname, basename, devlen); p = devname + devlen-2; for (; nnodes > 0; nnodes--, minchar++, minnum++) { KASSERT(minchar <= 'z'); *p = minchar; if ((error = do_sys_mknod(curlwp, devname, 0666 | devtype, makedev(maj, minnum), &retval, UIO_SYSSPACE))) { if (error == EEXIST) error = 0; else goto out; } } out: kmem_free(devname, devlen); return error; }
int compat_50_netbsd32_mknod(struct lwp *l, const struct compat_50_netbsd32_mknod_args *uap, register_t *retval) { /* { syscallarg(netbsd32_charp) path; syscallarg(mode_t) mode; syscallarg(uint32_t) dev; } */ return do_sys_mknod(l, SCARG_P32(uap, path), SCARG(uap, mode), SCARG(uap, dev), retval, UIO_USERSPACE); }
/* realqvik(tm) "devfs" */ static int makeonedevnode(dev_t devtype, const char *devname, devmajor_t majnum, devminor_t minnum) { register_t retval; int error; error = do_sys_mknod(curlwp, devname, 0666 | devtype, makedev(majnum, minnum), &retval, UIO_SYSSPACE); if (error == EEXIST) /* XXX: should check it's actually the same */ error = 0; return error; }