diff options
Diffstat (limited to 'sys/kern/kern_descrip.c')
| -rw-r--r-- | sys/kern/kern_descrip.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 4912d73..f1f5557 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_descrip.c 8.6 (Berkeley) 4/19/94 - * $Id: kern_descrip.c,v 1.13 1995/11/12 06:42:52 bde Exp $ + * $Id: kern_descrip.c,v 1.14 1995/11/14 08:58:35 phk Exp $ */ #include <sys/param.h> @@ -57,6 +57,14 @@ #include <sys/unistd.h> #include <sys/resourcevar.h> +#ifdef JREMOD +#include <sys/conf.h> +#ifdef DEVFS +#include <sys/devfsext.h> +#endif /*DEVFS*/ +#define CDEV_MAJOR 22 +#endif /*JREMOD*/ + int finishdup(struct filedesc *fdp, int old, int new, int *retval); /* * Descriptor management. @@ -1013,6 +1021,43 @@ sysctl_kern_file SYSCTL_HANDLER_ARGS } return (0); } +#ifdef JREMOD +struct cdevsw fildesc_cdevsw = + { fdopen, noclose, noread, nowrite, /*22*/ + noioc, nostop, nullreset, nodevtotty,/*fd(!=Fd)*/ + noselect, nommap, nostrat }; + +static fildesc_devsw_installed = 0; + +static void fildesc_drvinit(void *unused) +{ + dev_t dev; + + if( ! fildesc_devsw_installed ) { + dev = makedev(CDEV_MAJOR,0); + cdevsw_add(&dev,&fildesc_cdevsw,NULL); + fildesc_devsw_installed = 1; +#ifdef DEVFS + { + int x; +/* default for a simple device with no probe routine (usually delete this) */ +/* path name devsw minor type uid gid perm*/ + x=devfs_add_devsw("/","stdin",major(dev),0,DV_CHR, + 0, 0, 0600); + x=devfs_add_devsw("/","stdout",major(dev),1,DV_CHR, + 0, 0, 0600); + x=devfs_add_devsw("/","stderr",major(dev),2,DV_CHR, + 0, 0, 0600); + } + } +#endif +} + +SYSINIT(fildescdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, + fildesc_drvinit,NULL) + +#endif /* JREMOD */ + SYSCTL_PROC(_kern, KERN_FILE, file, CTLTYPE_OPAQUE|CTLFLAG_RD, 0, 0, sysctl_kern_file, ""); |
