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Code Issues Releases Activity

Make the pseudo-driver for "/dev/fd/*" handle fd's larger than 255.

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PR:	25936
This commit is contained in:
Poul-Henning Kamp 2001-03-20 13:26:13 +00:00
parent 15b6f00fd1
commit 71d033119f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=74523
1 changed files with 8 additions and 1 deletions
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9
sys/kern/kern_descrip.c
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@ -1315,7 +1315,7 @@ fdopen(dev, mode, type, p)
* actions in dupfdopen below. Other callers of vn_open or VOP_OPEN
* will simply report the error.
*/
p->p_dupfd = minor(dev);
p->p_dupfd = dev2unit(dev);
return (ENODEV);
}
@ -1478,6 +1478,13 @@ fildesc_clone(void *arg, char *name, int namelen, dev_t *dev)
return;
if (u <= 2)
return;
/* Don't clone higher than it makes sense */
if (u >= maxfilesperproc)
return;
/* And don't clone higher than our minors will support */
if (u > 0xffffff)
return;
u = unit2minor(u);
*dev = make_dev(&fildesc_cdevsw, u, UID_BIN, GID_BIN, 0666, name);
return;
}