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Added support for p_textvp which stores the vnode pointer of the execed binary.

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This commit is contained in:
David Greenman 1994-09-24 16:58:43 +00:00
parent 89f81043d0
commit 2a531c809e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3053
1 changed files with 9 additions and 1 deletions
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10
sys/kern/kern_exec.c
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@ -28,7 +28,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kern_exec.c,v 1.6 1994/09/13 14:46:50 dfr Exp $
* $Id: kern_exec.c,v 1.7 1994/09/14 05:52:13 davidg Exp $
*/
#include <sys/param.h>
@ -271,6 +271,14 @@ execve(p, uap, retval)
/* mark vnode pure text */
ndp->ni_vp->v_flag |= VTEXT;
/*
* Store the vp for use in procfs
*/
if (p->p_textvp) /* release old reference */
vrele(p->p_textvp);
VREF(ndp->ni_vp);
p->p_textvp = ndp->ni_vp;
/*
* If tracing the process, trap to debugger so breakpoints
* can be set before the program executes.