STAT flags for fg process group and session leader

diff --git a/NEWS b/NEWS
index 43b4e1f6fa0ef583de18edc3286d0ab7598ccdb2..6c00fc8d981d87c70e04feb37bc2e3f6ce179c65 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
 procps-3.2.0 --> procps-3.2.1
 
 build w/ curses in odd location
+ps: STAT flags for fg process group and session leader
 
 procps-3.1.15 --> procps-3.2.0
 

diff --git a/ps/output.c b/ps/output.c
index 6d73caa3c93d164b7dfbeecb71200f01735cf019..10413ab9c87bba50ce59ce53700fee0fa82f2a42 100644 (file)
--- a/ps/output.c
+++ b/ps/output.c
@@ -566,10 +566,12 @@ static int pr_oldstate(char *restrict const outbuf, const proc_t *restrict const
 static int pr_stat(char *restrict const outbuf, const proc_t *restrict const pp){
     int end = 0;
     outbuf[end++] = pp->state;
-    if(pp->rss == 0 && pp->state != 'Z')    outbuf[end++] = 'W';
-    if(pp->nice < 0)                        outbuf[end++] = '<';
-    if(pp->nice > 0)                        outbuf[end++] = 'N';
-    if(pp->vm_lock)                         outbuf[end++] = 'L';
+//  if(pp->rss==0 && pp->state!='Z')  outbuf[end++] = 'W'; // useless "swapped out"
+    if(pp->nice < 0)                  outbuf[end++] = '<';
+    if(pp->nice > 0)                  outbuf[end++] = 'N';
+    if(pp->vm_lock)                   outbuf[end++] = 'L';
+    if(pp->session == pp->tgid)       outbuf[end++] = 's'; // session leader
+    if(pp->pgrp == pp->tpgid)         outbuf[end++] = '+'; // in foreground process group
     outbuf[end] = '\0';
     return end;
 }

diff --git a/ps/ps.1 b/ps/ps.1
index 8e7c0d5aa353187a1028875237166626b1c6e998..bfaae5244bca89e67081369b3b5a3153978205af 100644 (file)
--- a/ps/ps.1
+++ b/ps/ps.1
@@ -261,18 +261,18 @@ D uninterruptible sleep (usually IO)
 R runnable (on run queue)
 S sleeping
 T traced or stopped
-W paging
+W paging (2.4 kernels and older only)
 X dead
 Z a defunct ("zombie") process
 
 For BSD formats and when the "stat" keyword is used, additional
-letters may be displayed:
+characters may be displayed:
 
-W has no resident pages
-< high-priority process
+< high-priority task
 N low-priority task
 L has pages locked into memory (for real-time and custom IO)
-
+s is a session leader
++ is in the foreground process group
 
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