From: pmeda@akamai.com
A while back we added the PR_SET_NAME prctl, but no PR_GET_NAME. I guess
we should add this, if only to enable testing of PR_SET_NAME.
Signed-off-by: Prasanna Meda <pmeda@akamai.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/include/linux/prctl.h | 1 +
25-akpm/kernel/sys.c | 9 +++++++++
2 files changed, 10 insertions(+)
diff -puN include/linux/prctl.h~add-pr_get_name include/linux/prctl.h
--- 25/include/linux/prctl.h~add-pr_get_name 2004-12-03 20:56:02.036450600 -0800
+++ 25-akpm/include/linux/prctl.h 2004-12-03 20:56:02.041449840 -0800
@@ -50,5 +50,6 @@
process timing */
#define PR_SET_NAME 15 /* Set process name */
+#define PR_GET_NAME 16 /* Get process name */
#endif /* _LINUX_PRCTL_H */
diff -puN kernel/sys.c~add-pr_get_name kernel/sys.c
--- 25/kernel/sys.c~add-pr_get_name 2004-12-03 20:56:02.038450296 -0800
+++ 25-akpm/kernel/sys.c 2004-12-03 20:56:02.042449688 -0800
@@ -1689,6 +1689,15 @@ asmlinkage long sys_prctl(int option, un
set_task_comm(me, ncomm);
return 0;
}
+ case PR_GET_NAME: {
+ struct task_struct *me = current;
+ unsigned char tcomm[sizeof(me->comm)];
+
+ get_task_comm(tcomm, me);
+ if (copy_to_user((char __user *)arg2, tcomm, sizeof(tcomm)))
+ return -EFAULT;
+ return 0;
+ }
default:
error = -EINVAL;
break;
_