From: Roland McGrath <roland@redhat.com>
It comes up as useful in debugging to be able to see
task->thread_info->flags along with signal information and such. There is
no way currently to elicit these bits from the kernel via sysrq or /proc
(AFAIK). This patch adds the field to /proc/PID/status.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/fs/proc/array.c | 7 +++++++
1 files changed, 7 insertions(+)
diff -puN fs/proc/array.c~show-thread_info-flags-in-proc-pid-status fs/proc/array.c
--- 25/fs/proc/array.c~show-thread_info-flags-in-proc-pid-status Fri Apr 1 14:44:15 2005
+++ 25-akpm/fs/proc/array.c Fri Apr 1 14:44:15 2005
@@ -287,6 +287,12 @@ static inline char *task_cap(struct task
cap_t(p->cap_effective));
}
+static inline char *task_tif(struct task_struct *p, char *buffer)
+{
+ return buffer + sprintf(buffer, "ThreadInfoFlags:\t%lu\n",
+ (unsigned long) p->thread_info->flags);
+}
+
int proc_pid_status(struct task_struct *task, char * buffer)
{
char * orig = buffer;
@@ -294,6 +300,7 @@ int proc_pid_status(struct task_struct *
buffer = task_name(task, buffer);
buffer = task_state(task, buffer);
+ buffer = task_tif(task, buffer);
if (mm) {
buffer = task_mem(mm, buffer);
_