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ps thread support

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This commit is contained in:
albert
2003-09-20 08:29:55 +00:00
parent 4456afd68a
commit c462dcfad5
16 changed files with 295 additions and 86 deletions
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27
ps/display.c
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@@ -81,12 +81,12 @@ void hex_dump(void *vp){
}
}
static void show_pid(char *s, int n, sel_union *data){
static void show_tgid(char *s, int n, sel_union *data){
printf("%s ", s);
while(--n){
printf("%d,", data[n].pid);
printf("%d,", data[n].tgid);
}
printf("%d\n", data[0].pid);
printf("%d\n", data[0].tgid);
}
static void show_uid(char *s, int n, sel_union *data){
@@ -247,9 +247,18 @@ static void simple_spew(void){
fprintf(stderr, "Error: can not access /proc.\n");
exit(1);
}
if(!thread_flags) thread_flags=TF_show_proc;
memset(&buf, '#', sizeof(proc_t));
while(readproc(ptp,&buf)){
if(want_this_proc(&buf)) show_one_proc(&buf);
if(want_this_proc(&buf)){
if(thread_flags & TF_show_proc) show_one_proc(&buf);
if(thread_flags & TF_show_task){
proc_t buf2;
// must still have the process allocated
while(readtask(ptp,&buf,&buf2)) show_one_proc(&buf2);
// must not attempt to free cmdline and environ
}
}
if(buf.cmdline) free((void*)*buf.cmdline); // ought to reuse
if(buf.environ) free((void*)*buf.environ); // ought to reuse
// memset(&buf, '#', sizeof(proc_t));
@@ -331,7 +340,7 @@ static void show_tree(const int self, const int n, const int level, const int ha
// if(processes[self]->environ) free((void*)*processes[self]->environ);
for(;;){ /* look for children */
if(i >= n) return; /* no children */
if(processes[i]->ppid == processes[self]->pid) break;
if(processes[i]->ppid == processes[self]->XXXID) break;
i++;
}
if(level){
@@ -344,7 +353,7 @@ static void show_tree(const int self, const int n, const int level, const int ha
int self_pid;
int more_children = 1;
if(i >= n) break; /* over the edge */
self_pid=processes[self]->pid;
self_pid=processes[self]->XXXID;
if(i+1 >= n)
more_children = 0;
else
@@ -367,7 +376,7 @@ static void show_forest(const int n){
while(i--){ /* cover whole array looking for trees */
j = n;
while(j--){ /* search for parent: if none, i is a tree! */
if(processes[j]->pid == processes[i]->ppid) goto not_root;
if(processes[j]->XXXID == processes[i]->ppid) goto not_root;
}
show_tree(i,n,0,0);
not_root:
@@ -381,6 +390,10 @@ static void fancy_spew(void){
proc_t *retbuf = NULL;
PROCTAB *restrict ptp;
int n = 0; /* number of processes & index into array */
if(thread_flags){
fprintf(stderr, "can't have threads with sorting or forest output\n");
exit(49);
}
ptp = openproc(needs_for_format | needs_for_sort | needs_for_select);
if(!ptp) {
fprintf(stderr, "Error: can not access /proc.\n");