Commit Graph

3954 Commits

Author SHA1 Message Date
Rodney W. Grimes
a0ad3760a2 Changed trap.c so that a panic will occur if we do not have hardware
FP and we try to call the emulator when it is not compiled in.
Removed the #if defined(i486) || defined(i387) that use to call the
panic if we did not have a math emulator.
Removed an extranious include of i386/i386/math_emu.h from math_emulate.c.
1993-08-28 13:25:22 +00:00
Andrew Moore
5bb374bc76 patch 1of2 to prevent kill -1 syslogd from hanging the console
blindly applied patch provided by Christoph Robitschko:
*** cons.c.orig	Sat Jun 12 07:57:53 1993
--- cons.c	Thu Aug 19 22:34:53 1993
***************
*** 56,61 ****
--- 56,62 ----
  #include "sys/tty.h"
  #include "sys/file.h"
  #include "sys/conf.h"
+ #include "sys/vnode.h"

  #include "cons.h"

***************
*** 105,118 ****
--- 106,130 ----
  	(*cp->cn_init)(cp);
  }

+ static struct vnode	*cnopenvp = NULLVP;
+
+
  cnopen(dev, flag, mode, p)
  	dev_t dev;
  	int flag, mode;
  	struct proc *p;
  {
+ 	int		error;
+
+
  	if (cn_tab == NULL)
  		return (0);
  	dev = cn_tab->cn_dev;
+ 	if (cnopenvp == NULLVP)
+ 		if ((error = getdevvp(dev, &cnopenvp, VCHR))) {
+ 			printf("cnopen: getdevvp returned %d !\n", error);
+ 			return(error);
+ 		}
  	return ((*cdevsw[major(dev)].d_open)(dev, flag, mode, p));
  }

***************
*** 121,130 ****
  	int flag, mode;
  	struct proc *p;
  {
  	if (cn_tab == NULL)
  		return (0);
  	dev = cn_tab->cn_dev;
! 	return ((*cdevsw[major(dev)].d_close)(dev, flag, mode, p));
  }

  cnread(dev, uio, flag)
--- 133,153 ----
  	int flag, mode;
  	struct proc *p;
  {
+ 	int		error;
+
+
  	if (cn_tab == NULL)
  		return (0);
  	dev = cn_tab->cn_dev;
! 	if (vcount(cnopenvp) <= 1)
! 		error = (*cdevsw[major(dev)].d_close)(dev, flag, mode, p);
! 	else
! 		error = 0;
! 	if (error == 0) {
! 		vrele(cnopenvp);
! 		cnopenvp = NULLVP;
! 	return(error);
! 	}
  }

  cnread(dev, uio, flag)
1993-08-20 05:46:09 +00:00
David Greenman
269312019a * Applied fixes from Bruce Evans to fix COW bugs, >1MB kernel loading,
profiling, and various protection checks that cause security holes
  and system crashes.
* Changed min/max/bcmp/ffs/strlen to be static inline functions
  - included from cpufunc.h in via systm.h. This change
  improves performance in many parts of the kernel - up to 5% in the
  networking layer alone. Note that this requires systm.h to be included
  in any file that uses these functions otherwise it won't be able to
  find them during the load.
* Fixed incorrect call to splx() in if_is.c
* Fixed bogus variable assignment to splx() in if_ed.c
1993-07-27 10:52:31 +00:00
Rodney W. Grimes
5b81b6b301 Initial import, 0.1 + pk 0.2.4-B1 1993-06-12 14:58:17 +00:00