dump core as core.progname.pid rather than just as core

SCCS-vsn: sys/kern/kern_sig.c 7.32

diff --git a/usr/src/sys/kern/kern_sig.c b/usr/src/sys/kern/kern_sig.c
index 1c86a5c..67904f4 100644 (file)
--- a/usr/src/sys/kern/kern_sig.c
+++ b/usr/src/sys/kern/kern_sig.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)kern_sig.c  7.31 (Berkeley) %G%
+ *     @(#)kern_sig.c  7.32 (Berkeley) %G%

  */
 
 #define        SIGPROP         /* include signal properties table */
  */
 
 #define        SIGPROP         /* include signal properties table */


@@ -975,9 +975,8 @@ sigexit(p, sig)
 
 /*
  * Create a core dump.
 
 /*
  * Create a core dump.

- * The file name should probably be "core.progname"
- * (or "mos.progname", or "dram.progname", or ...).
- * Core dumps aren't created if the process 
+ * The file name is "core.progname.pid".
+ * Core dumps are not created if the process is setuid.

  */
 coredump(p)
        register struct proc *p;
  */
 coredump(p)
        register struct proc *p;


@@ -989,6 +988,7 @@ coredump(p)
        struct vattr vattr;
        int error;
        struct nameidata nd;
        struct vattr vattr;
        int error;
        struct nameidata nd;

+       char name[MAXCOMLEN+12];        /* core.progname.pid */

 
        if (pcred->p_svuid != pcred->p_ruid ||
            pcred->p_svgid != pcred->p_rgid)
 
        if (pcred->p_svuid != pcred->p_ruid ||
            pcred->p_svgid != pcred->p_rgid)


@@ -996,8 +996,9 @@ coredump(p)
        if (ctob(UPAGES + vm->vm_dsize + vm->vm_ssize) >=
            p->p_rlimit[RLIMIT_CORE].rlim_cur)
                return (EFAULT);
        if (ctob(UPAGES + vm->vm_dsize + vm->vm_ssize) >=
            p->p_rlimit[RLIMIT_CORE].rlim_cur)
                return (EFAULT);

+       sprintf(name, "core.%s.%d", p->p_comm, p->p_pid);
+       nd.ni_dirp = name;

        nd.ni_segflg = UIO_SYSSPACE;
        nd.ni_segflg = UIO_SYSSPACE;

-       nd.ni_dirp = "core";

        if (error = vn_open(&nd, p, O_CREAT|FWRITE, 0644))
                return (error);
        vp = nd.ni_vp;
        if (error = vn_open(&nd, p, O_CREAT|FWRITE, 0644))
                return (error);
        vp = nd.ni_vp;