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diff -up procps-3.2.8/top.c.threads procps-3.2.8/top.c
--- procps-3.2.8/top.c.threads 2009-10-01 07:14:43.000000000 -0400
+++ procps-3.2.8/top.c 2009-10-05 14:05:00.000000000 -0400
@@ -1138,6 +1138,7 @@ static proc_t **procs_refresh (proc_t **
#define ENTsz sizeof(proc_t)
static unsigned savmax = 0; // first time, Bypass: (i)
proc_t *ptsk = (proc_t *)-1; // first time, Force: (ii)
+ proc_t *saved_ptsk;
unsigned curmax = 0; // every time (jeeze)
PROCTAB* PT;
static int show_threads_was_enabled = 0; // optimization
@@ -1172,6 +1173,10 @@ static proc_t **procs_refresh (proc_t **
while (curmax < savmax) {
proc_t *ttsk;
if (unlikely(!(ptsk = readproc(PT, NULL)))) break;
+ if(!show_threads_was_enabled)
+ saved_ptsk = ptsk;
+ else
+ saved_ptsk = NULL;
show_threads_was_enabled = 1;
while (curmax < savmax) {
unsigned idx;
@@ -1189,7 +1194,7 @@ static proc_t **procs_refresh (proc_t **
prochlp(ttsk);
++curmax;
}
- free(ptsk); // readproc() proc_t not used
+ if(!saved_ptsk) free(ptsk); // readproc() proc_t not used
}
}
@@ -1208,7 +1213,8 @@ static proc_t **procs_refresh (proc_t **
else { // show each thread in a process separately
while (ptsk) {
proc_t *ttsk;
- if (likely(ptsk = readproc(PT, NULL))) {
+ if (likely(ptsk = readproc(PT, NULL)) ||
+ unlikely(saved_ptsk && (ptsk = saved_ptsk)) ) {
show_threads_was_enabled = 1;
while (1) {
table = alloc_r(table, (curmax + 1) * PTRsz);
@@ -1216,6 +1222,7 @@ static proc_t **procs_refresh (proc_t **
prochlp(ttsk);
table[curmax++] = ttsk;
}
+ saved_ptsk = NULL;
free(ptsk); // readproc() proc_t not used
}
}
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