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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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6
Makefile
View File

@ -18,9 +18,9 @@
VERSION := 3
SUBVERSION := 1
MINORVERSION := 12
TARVERSION := 3.1.12
LIBVERSION := 3.1.12
MINORVERSION := 13
TARVERSION := 3.1.13
LIBVERSION := 3.1.13
############ vars

1
NEWS
View File

@ -1,5 +1,6 @@
procps-3.1.12 --> procps-3.1.13
ps: can display NPTL threads w/ kernel patch
no seLinux for now (new kernel interface)
procps-3.1.11 --> procps-3.1.12

16
pgrep.c
View File

@ -375,7 +375,7 @@ select_procs (void)
while (readproc (ptp, &task)) {
int match = 1;
if (task.pid == myself)
if (task.XXXID == myself)
continue;
else if (opt_newest && task.start_time < saved_start_time)
match = 0;
@ -399,7 +399,7 @@ select_procs (void)
} else {
char tty[256];
dev_to_tty (tty, sizeof(tty) - 1,
task.tty, task.pid, ABBREV_DEV);
task.tty, task.XXXID, ABBREV_DEV);
match = match_strlist (tty, opt_term);
}
}
@ -433,26 +433,26 @@ select_procs (void)
if (match ^ opt_negate) { /* Exclusive OR is neat */
if (opt_newest) {
if (saved_start_time == task.start_time &&
saved_pid > task.pid)
saved_pid > task.XXXID)
continue;
saved_start_time = task.start_time;
saved_pid = task.pid;
saved_pid = task.XXXID;
matches = 0;
}
if (opt_oldest) {
if (saved_start_time == task.start_time &&
saved_pid < task.pid)
saved_pid < task.XXXID)
continue;
saved_start_time = task.start_time;
saved_pid = task.pid;
saved_pid = task.XXXID;
matches = 0;
}
if (opt_long) {
char buff[5096]; // FIXME
sprintf (buff, "%d %s", task.pid, cmd);
sprintf (buff, "%d %s", task.XXXID, cmd);
list[++matches].str = strdup (buff);
} else {
list[++matches].num = task.pid;
list[++matches].num = task.XXXID;
}
if (matches == size) {
size *= 2;

2
proc/library.map
View File

@ -2,7 +2,7 @@ _3_1_12 {
global:
__cyg_profile_func_enter; __cyg_profile_func_exit; main;
readproc; readproctab; look_up_our_self; escape_command;
readproc; readtask; readproctab; look_up_our_self; escape_command;
escape_str; escape_strlist;
openproc; closeproc;
tty_to_dev; dev_to_tty; open_psdb_message; open_psdb; wchan;

210
proc/readproc.c
View File

@ -41,6 +41,8 @@ extern void __cyg_profile_func_enter(void*,void*);
#define LEAVE(x)
#endif
static int task_dir_missing;
///////////////////////////////////////////////////////////////////////////
typedef struct status_table_struct {
@ -211,7 +213,7 @@ ENTER(0x220);
P->ppid = strtol(S,&S,10);
continue;
case_Pid:
P->pid = strtol(S,&S,10);
P->tid = strtol(S,&S,10);
continue;
case_ShdPnd:
@ -464,9 +466,10 @@ int read_cmdline(char *restrict const dst, unsigned sz, unsigned pid){
// This reads process info from /proc in the traditional way, for one process.
// The pid (tgid? tid?) is already in p, and a path to it in path, with some
// room to spare.
static proc_t* simple_readproc(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
static proc_t* simple_readproc(PROCTAB *restrict const PT, proc_t *restrict const p) {
static struct stat sb; // stat() buffer
static char sbuf[1024]; // buffer for stat,statm
char *restrict const path = PT->path;
unsigned flags = PT->flags;
if (unlikely(stat(path, &sb) == -1)) /* no such dirent (anymore) */
@ -530,40 +533,144 @@ next_proc:
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////
// This reads /proc/*/task/* data, for one task.
// p is the POSIX process (task group summary) (not needed by THIS implementation)
// t is the POSIX thread (task group member, generally not the leader)
// path is a path to the task, with some room to spare.
static proc_t* simple_readtask(PROCTAB *restrict const PT, const proc_t *restrict const p, proc_t *restrict const t, char *restrict const path) {
static struct stat sb; // stat() buffer
static char sbuf[1024]; // buffer for stat,statm
unsigned flags = PT->flags;
if (unlikely(stat(path, &sb) == -1)) /* no such dirent (anymore) */
goto next_task;
// if ((flags & PROC_UID) && !XinLN(uid_t, sb.st_uid, PT->uids, PT->nuid))
// goto next_task; /* not one of the requested uids */
t->euid = sb.st_uid; /* need a way to get real uid */
t->egid = sb.st_gid; /* need a way to get real gid */
if (flags & PROC_FILLSTAT) { /* read, parse /proc/#/stat */
if (unlikely( file2str(path, "stat", sbuf, sizeof sbuf) == -1 ))
goto next_task; /* error reading /proc/#/stat */
stat2proc(sbuf, t); /* parse /proc/#/stat */
}
if (unlikely(flags & PROC_FILLMEM)) { /* read, parse /proc/#/statm */
if (likely( file2str(path, "statm", sbuf, sizeof sbuf) != -1 ))
statm2proc(sbuf, t); /* ignore statm errors here */
} /* statm fields just zero */
if (flags & PROC_FILLSTATUS) { /* read, parse /proc/#/status */
if (likely( file2str(path, "status", sbuf, sizeof sbuf) != -1 )){
status2proc(sbuf, t);
}
}
/* some number->text resolving which is time consuming */
if (flags & PROC_FILLUSR){
strncpy(t->euser, user_from_uid(t->euid), sizeof t->euser);
if(flags & PROC_FILLSTATUS) {
strncpy(t->ruser, user_from_uid(t->ruid), sizeof t->ruser);
strncpy(t->suser, user_from_uid(t->suid), sizeof t->suser);
strncpy(t->fuser, user_from_uid(t->fuid), sizeof t->fuser);
}
}
/* some number->text resolving which is time consuming */
if (flags & PROC_FILLGRP){
strncpy(t->egroup, group_from_gid(t->egid), sizeof t->egroup);
if(flags & PROC_FILLSTATUS) {
strncpy(t->rgroup, group_from_gid(t->rgid), sizeof t->rgroup);
strncpy(t->sgroup, group_from_gid(t->sgid), sizeof t->sgroup);
strncpy(t->fgroup, group_from_gid(t->fgid), sizeof t->fgroup);
}
}
#if 0
if ((flags & PROC_FILLCOM) || (flags & PROC_FILLARG)) /* read+parse /proc/#/cmdline */
t->cmdline = file2strvec(path, "cmdline");
else
t->cmdline = NULL;
if (unlikely(flags & PROC_FILLENV)) /* read+parse /proc/#/environ */
t->environ = file2strvec(path, "environ");
else
t->environ = NULL;
#else
t->cmdline = p->cmdline; // better not free these until done with all threads!
t->environ = p->environ;
#endif
return t;
next_task:
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////
// This finds processes in /proc in the traditional way.
// Return non-zero on success.
static int simple_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
static int simple_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p) {
static struct direct *ent; /* dirent handle */
char *restrict const path = PT->path;
for (;;) {
ent = readdir(PT->procfs);
if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
if(likely( likely(*ent->d_name > '0') && likely(*ent->d_name <= '9') )) break;
}
p->pid = strtoul(ent->d_name, NULL, 10);
p->tgid = strtoul(ent->d_name, NULL, 10);
p->tid = p->tgid;
memcpy(path, "/proc/", 6);
strcpy(path+6, ent->d_name); // trust /proc to not contain evil top-level entries
return 1;
}
#define PROCPATHLEN 64 // must hold /proc/2000222000/task/2000222000/cmdline
//////////////////////////////////////////////////////////////////////////////////
// This finds tasks in /proc/*/task/ in the traditional way.
// Return non-zero on success.
static int simple_nexttid(PROCTAB *restrict const PT, const proc_t *restrict const p, proc_t *restrict const t, char *restrict const path) {
static struct direct *ent; /* dirent handle */
(void)p;
if(!PT->taskdir){
// use "path" as some tmp space
snprintf(path, PROCPATHLEN, "%s/task", PT->path);
PT->taskdir = opendir(path);
if(!PT->taskdir) return 0;
}
for (;;) {
ent = readdir(PT->taskdir);
if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
if(likely( likely(*ent->d_name > '0') && likely(*ent->d_name <= '9') )) break;
}
t->tid = strtoul(ent->d_name, NULL, 10);
t->tgid = p->tgid;
t->ppid = p->ppid; // cover for kernel behavior? we want both actually...?
snprintf(path, PROCPATHLEN, "%s/task/%s", PT->path, ent->d_name);
return 1;
}
//////////////////////////////////////////////////////////////////////////////////
// This "finds" processes in a list that was given to openproc().
// Return non-zero on success. (pid was handy)
static int listed_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
pid_t pid = *(PT->pids)++;
if(likely( pid )){
snprintf(path, PROCPATHLEN, "/proc/%d", pid);
p->pid = pid;
// Return non-zero on success. (tgid was handy)
static int listed_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p) {
char *restrict const path = PT->path;
pid_t tgid = *(PT->pids)++;
if(likely( tgid )){
snprintf(path, PROCPATHLEN, "/proc/%d", tgid);
p->tgid = tgid;
p->tid = tgid; // they match for leaders
}
return pid;
return tgid;
}
//////////////////////////////////////////////////////////////////////////////////
// This "finds" processes by guessing every possible one of them!
// Return non-zero on success. (pid was handy)
static int stupid_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
#if 0
static int stupid_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p) {
char *restrict const path = PT->path;
pid_t pid = --PT->u;
if(likely( pid )){
snprintf(path, PROCPATHLEN, "/proc/%d", pid);
@ -571,15 +678,16 @@ static int stupid_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p,
}
return pid;
}
#endif
//////////////////////////////////////////////////////////////////////////////////
// This reads process info from proc_t structs already attached to a PROCTAB.
// Yeah, we don't retain any pointer for freeing the memory later. Oh well.
// This code is for development only.
static proc_t* predone_readproc(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
#if 0
static proc_t* predone_readproc(PROCTAB *restrict const PT, proc_t *restrict const p) {
proc_t *tmp;
proc_t *ret = NULL;
(void)path;
for(;;){
tmp = PT->vp;
if(!tmp) _exit(49); // can't happen
@ -598,15 +706,17 @@ static proc_t* predone_readproc(PROCTAB *restrict const PT, proc_t *restrict con
}
return ret;
}
#endif
//////////////////////////////////////////////////////////////////////////////////
// This "finds" processes by pulling them off of a list.
// Return non-zero on success.
static int predone_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p, char *restrict const path) {
#if 0
static int predone_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p) {
(void)p;
(void)path;
return !!PT->vp;
}
#endif
//////////////////////////////////////////////////////////////////////////////////
/* readproc: return a pointer to a proc_t filled with requested info about the
@ -620,29 +730,70 @@ static int predone_nextpid(PROCTAB *restrict const PT, proc_t *restrict const p,
* fairly complex, but it does try to not to do any unnecessary work.
*/
proc_t* readproc(PROCTAB *restrict const PT, proc_t *restrict p) {
static char path[PROCPATHLEN]; // must hold /proc/2000222000/task/2000222000/cmdline
proc_t *ret;
proc_t *saved_p;
if (PT->did_fake) PT->did_fake=0;
if (PT->taskdir) {
closedir(PT->taskdir);
PT->taskdir = NULL;
}
saved_p = p;
if(!p) p = xcalloc(p, sizeof *p); /* passed buf or alloced mem */
for(;;){
// fills in the path and the p->pid
if (unlikely(! PT->finder(PT,p,path) )) goto out;
// fills in the path, plus p->tid and p->tgid
if (unlikely(! PT->finder(PT,p) )) goto out;
// go read the process data
ret = PT->reader(PT,p,path);
ret = PT->reader(PT,p);
if(ret) return ret;
}
out:
if(!saved_p) free(p);
// FIXME: maybe set tid to -1 here, for "-" in display?
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////
// readtask: return a pointer to a proc_t filled with requested info about the
// next task available. If no more such tasks are available, return a null
// pointer (boolean false). Use the passed buffer instead of allocating
// space if it is non-NULL.
proc_t* readtask(PROCTAB *restrict const PT, const proc_t *restrict const p, proc_t *restrict t) {
static char path[PROCPATHLEN]; // must hold /proc/2000222000/task/2000222000/cmdline
proc_t *ret;
proc_t *saved_t;
saved_t = t;
if(!t) t = xcalloc(t, sizeof *t); /* passed buf or alloced mem */
if(task_dir_missing){ // got to fake a thread for old kernels
if(PT->did_fake) goto out;
PT->did_fake=1;
memcpy(t,p,sizeof(proc_t));
return t;
}
for(;;){
// fills in the path, plus t->tid and t->tgid
if (unlikely(! PT->taskfinder(PT,p,t,path) )) goto out; // simple_nexttid
// go read the task data
ret = PT->taskreader(PT,p,t,path); // simple_readtask
if(ret) return ret;
}
out:
if(!saved_t) free(t);
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////
#if 0
static void evil_grouping_hack(PROCTAB* PT){
proc_t *tp;
// first we read them
@ -676,13 +827,23 @@ static void evil_grouping_hack(PROCTAB* PT){
PT->finder = predone_nextpid;
PT->reader = predone_readproc;
}
#endif
// initiate a process table scan
PROCTAB* openproc(int flags, ...) {
va_list ap;
struct stat sbuf;
static int did_stat;
PROCTAB* PT = xmalloc(sizeof(PROCTAB));
if(!did_stat){
task_dir_missing = stat("/proc/self/task", &sbuf);
did_stat = 1;
}
PT->taskdir = NULL;
PT->taskfinder = simple_nexttid;
PT->taskreader = simple_readtask;
PT->reader = simple_readproc;
if (flags & PROC_PID){
PT->procfs = NULL;
@ -694,10 +855,12 @@ PROCTAB* openproc(int flags, ...) {
}
PT->flags = flags;
#if 0
if(getenv("EVIL_FINDER_HACK")){ // for development only
PT->finder = stupid_nextpid;
PT->u = 10000;
}
#endif
va_start(ap, flags); /* Init args list */
if (flags & PROC_PID)
@ -708,7 +871,9 @@ PROCTAB* openproc(int flags, ...) {
}
va_end(ap); /* Clean up args list */
#if 0
if(getenv("EVIL_GROUPING_HACK")) evil_grouping_hack(PT);
#endif
return PT;
}
@ -717,6 +882,7 @@ PROCTAB* openproc(int flags, ...) {
void closeproc(PROCTAB* PT) {
if (PT){
if (PT->procfs) closedir(PT->procfs);
if (PT->taskdir) closedir(PT->taskdir);
free(PT);
}
}

25
proc/readproc.h
View File

@ -26,6 +26,11 @@ EXTERN_C_BEGIN
lu start_time, vsize, wchan, nswap, cnswap,
*/
// This is to help document a transition from pid to tgid/tid caused
// by the introduction of thread support. It is used in cases where
// neither tgid nor tid seemed correct. (in other words, FIXME)
#define XXXID tid
/* Basic data structure which holds all information we can get about a process.
* (unless otherwise specified, fields are read from /proc/#/stat)
*
@ -34,7 +39,7 @@ EXTERN_C_BEGIN
typedef struct proc_t {
// 1st 16 bytes
int
pid, /* process id */
tid, /* process id */
ppid; /* pid of parent process */
unsigned
pcpu; /* %CPU usage (is not filled in by readproc!!!) */
@ -144,10 +149,17 @@ typedef struct proc_t {
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#define PROCPATHLEN 64 // must hold /proc/2000222000/task/2000222000/cmdline
typedef struct PROCTAB {
DIR* procfs;
int(*finder)(struct PROCTAB *restrict const, proc_t *restrict const, char *restrict const);
proc_t*(*reader)(struct PROCTAB *restrict const, proc_t *restrict const, char *restrict const);
DIR* taskdir; // for threads
int did_fake; // used when taskdir is missing
int(*finder)(struct PROCTAB *restrict const, proc_t *restrict const);
proc_t*(*reader)(struct PROCTAB *restrict const, proc_t *restrict const);
int(*taskfinder)(struct PROCTAB *restrict const, const proc_t *restrict const, proc_t *restrict const, char *restrict const);
proc_t*(*taskreader)(struct PROCTAB *restrict const, const proc_t *restrict const, proc_t *restrict const, char *restrict const);
unsigned flags;
pid_t* pids; /* pids of the procs */
uid_t* uids; /* uids of procs */
@ -155,6 +167,8 @@ typedef struct PROCTAB {
int i; // generic
unsigned u; // generic
void * vp; // generic
char path[PROCPATHLEN]; // must hold /proc/2000222000/task/2000222000/cmdline
unsigned pathlen; // length of string in the above (w/o '\0')
} PROCTAB;
// initialize a PROCTAB structure holding needed call-to-call persistent data
@ -172,7 +186,8 @@ extern proc_t** readproctab(int flags, ... /* same as openproc */ );
extern void closeproc(PROCTAB* PT);
// retrieve the next process matching the criteria set by the openproc()
extern proc_t* readproc(PROCTAB *restrict const PT, proc_t *restrict const return_buf);
extern proc_t* readproc(PROCTAB *restrict const PT, proc_t *restrict p);
extern proc_t* readtask(PROCTAB *restrict const PT, const proc_t *restrict const p, proc_t *restrict t);
// warning: interface may change
extern int read_cmdline(char *restrict const dst, unsigned sz, unsigned pid);
@ -207,8 +222,6 @@ extern void freeproc(proc_t* p);
#define PROC_FILLWCHAN 0x0080 /* look up WCHAN name */
#define PROC_FILLARG 0x0100 /* alloc and fill in `cmdline' */
#define PROC_FILLANY 0x0000 /* either stat or status will do */
/* Obsolete, consider only processes with one of the passed: */
#define PROC_PID 0x1000 /* process id numbers ( 0 terminated) */
#define PROC_UID 0x4000 /* user id numbers ( length needed ) */

8
procps.lsm
View File

@ -1,15 +1,15 @@
Begin4
Title: procps
Version: 3.1.12
Entered-date: 2003-08-10
Version: 3.1.13
Entered-date: 2003-09-17
Description: Linux system utilities
Keywords: procps /proc libproc sysctl pmap ps uptime tload
free w top vmstat watch skill snice kill pgrep pkill
Author: Albert Cahalan, Michael K. Johnson, Jim Warner, etc.
Maintained-by: various <procps-feedback@lists.sf.net>
Primary-site: http://procps.sf.net/
242kB procps-3.1.12.tar.gz
242kB procps-3.1.13.tar.gz
Alternate-site: http://www.debian.org/Packages/unstable/base/procps.html
242kB procps-3.1.12.tar.gz
242kB procps-3.1.13.tar.gz
Copying-policy: mixed
End

2
procps.spec
View File

@ -3,7 +3,7 @@ Summary: System and process monitoring utilities
Name: procps
%define major_version 3
%define minor_version 1
%define revision 12
%define revision 13
%define version %{major_version}.%{minor_version}.%{revision}
Version: %{version}
Release: 1

5
ps/common.h
View File

@ -73,6 +73,10 @@
#define needs_for_select (PROC_FILLSTAT | PROC_FILLSTATUS)
/* thread_flags */
#define TF_show_proc 0x0001 // show the summary line
#define TF_show_task 0x0002 // show the per-thread lines
/* personality control flags */
#define PER_BROKEN_o 0x0001
#define PER_BSD_h 0x0002
@ -270,6 +274,7 @@ extern const char *sysv_f_format;
extern const char *sysv_fl_format;
extern const char *sysv_j_format;
extern const char *sysv_l_format;
extern unsigned thread_flags;
extern int unix_f_option;
extern int user_is_number;
extern int wchan_is_number;

27
ps/display.c
View File

@ -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");

2
ps/global.c
View File

@ -73,6 +73,7 @@ const char *sysv_f_format = (const char *)0xdeadbeef;
const char *sysv_fl_format = (const char *)0xdeadbeef;
const char *sysv_j_format = (const char *)0xdeadbeef;
const char *sysv_l_format = (const char *)0xdeadbeef;
unsigned thread_flags = 0xffffffff;
int unix_f_option = -1;
int user_is_number = -1;
int wchan_is_number = -1;
@ -343,6 +344,7 @@ void reset_global(void){
selection_list = NULL;
simple_select = 0;
sort_list = NULL;
thread_flags = 0;
unix_f_option = 0;
user_is_number = 0;
wchan_is_number = 0;

23
ps/output.c
View File

@ -201,7 +201,8 @@ CMP_INT(suid)
CMP_INT(sgid)
CMP_INT(fuid)
CMP_INT(fgid)
CMP_SMALL(pid)
CMP_SMALL(tid)
CMP_SMALL(tgid)
CMP_SMALL(ppid)
CMP_SMALL(pgrp)
CMP_SMALL(session)
@ -457,7 +458,7 @@ static int pr_pgid(char *restrict const outbuf, const proc_t *restrict const pp)
return snprintf(outbuf, COLWID, "%u", pp->pgrp);
}
static int pr_pid(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->pid);
return snprintf(outbuf, COLWID, "%u", pp->tgid);
}
static int pr_ppid(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->ppid);
@ -561,20 +562,20 @@ static int pr_wchan(char *restrict const outbuf, const proc_t *restrict const pp
*/
if(!(pp->wchan & 0xffffff)) return snprintf(outbuf, COLWID, "%s", "-");
if(wchan_is_number) return snprintf(outbuf, COLWID, "%x", (unsigned)(pp->wchan) & 0xffffffu);
return snprintf(outbuf, COLWID, "%s", wchan(pp->wchan, pp->pid));
return snprintf(outbuf, COLWID, "%s", wchan(pp->wchan, pp->XXXID));
}
/* Terrible trunctuation, like BSD crap uses: I999 J999 K999 */
/* FIXME: disambiguate /dev/tty69 and /dev/pts/69. */
static int pr_tty4(char *restrict const outbuf, const proc_t *restrict const pp){
/* snprintf(outbuf, COLWID, "%02x:%02x", pp->tty>>8, pp->tty&0xff); */
return dev_to_tty(outbuf, 4, pp->tty, pp->pid, ABBREV_DEV|ABBREV_TTY|ABBREV_PTS);
return dev_to_tty(outbuf, 4, pp->tty, pp->XXXID, ABBREV_DEV|ABBREV_TTY|ABBREV_PTS);
}
/* Unix98: format is unspecified, but must match that used by who(1). */
static int pr_tty8(char *restrict const outbuf, const proc_t *restrict const pp){
/* snprintf(outbuf, COLWID, "%02x:%02x", pp->tty>>8, pp->tty&0xff); */
return dev_to_tty(outbuf, PAGE_SIZE-1, pp->tty, pp->pid, ABBREV_DEV);
return dev_to_tty(outbuf, PAGE_SIZE-1, pp->tty, pp->XXXID, ABBREV_DEV);
}
#if 0
@ -767,7 +768,7 @@ static int pr_wname(char *restrict const outbuf, const proc_t *restrict const pp
* more than one thread waiting in the kernel.
*/
if(!(pp->wchan & 0xffffff)) return snprintf(outbuf, COLWID, "%s", "-");
return snprintf(outbuf, COLWID, "%s", wchan(pp->wchan, pp->pid));
return snprintf(outbuf, COLWID, "%s", wchan(pp->wchan, pp->XXXID));
}
static int pr_nwchan(char *restrict const outbuf, const proc_t *restrict const pp){
@ -937,7 +938,7 @@ static int pr_suser(char *restrict const outbuf, const proc_t *restrict const pp
static int pr_thread(char *restrict const outbuf, const proc_t *restrict const pp){ /* TID tid LWP lwp SPID spid */
return snprintf(outbuf, COLWID, "%u", pp->pid); /* for now... FIXME */
return snprintf(outbuf, COLWID, "%u", pp->tid);
}
static int pr_nlwp(char *restrict const outbuf, const proc_t *restrict const pp){ /* THCNT thcount NLWP nlwp */
(void)pp; // FIXME
@ -1215,7 +1216,7 @@ static const format_struct format_array[] = {
{"lstart", "STARTED", pr_lstart, sr_nop, 24, 0, XXX, RIGHT},
{"luid", "LUID", pr_nop, sr_nop, 5, 0, LNX, RIGHT}, /* login ID */
{"luser", "LUSER", pr_nop, sr_nop, 8, USR, LNX, USER}, /* login USER */
{"lwp", "LWP", pr_thread, sr_nop, 5, 0, SUN, PIDMAX|RIGHT},
{"lwp", "LWP", pr_thread, sr_tid, 5, 0, SUN, PIDMAX|RIGHT},
{"m_drs", "DRS", pr_drs, sr_drs, 5, MEM, LNx, RIGHT},
{"m_dt", "DT", pr_nop, sr_dt, 4, MEM, LNx, RIGHT},
{"m_lrs", "LRS", pr_nop, sr_lrs, 5, MEM, LNx, RIGHT},
@ -1250,7 +1251,7 @@ static const format_struct format_array[] = {
{"pending", "PENDING", pr_sig, sr_nop, 9, 0, BSD, SIGNAL}, /*sig*/
{"pgid", "PGID", pr_pgid, sr_pgrp, 5, 0, U98, PIDMAX|RIGHT},
{"pgrp", "PGRP", pr_pgid, sr_pgrp, 5, 0, LNX, PIDMAX|RIGHT},
{"pid", "PID", pr_pid, sr_pid, 5, 0, U98, PIDMAX|RIGHT},
{"pid", "PID", pr_pid, sr_tgid, 5, 0, U98, PIDMAX|RIGHT},
{"pmem", "%MEM", pr_pmem, sr_nop, 4, 0, XXX, RIGHT}, /*%mem*/
{"poip", "-", pr_nop, sr_nop, 1, 0, BSD, RIGHT},
{"policy", "POL", pr_class, sr_sched, 3, 0, DEC, LEFT},
@ -1296,7 +1297,7 @@ static const format_struct format_array[] = {
{"sigmask", "BLOCKED", pr_sigmask, sr_nop, 9, 0, XXX, SIGNAL}, /*blocked*/
{"size", "SZ", pr_swapable, sr_swapable, 1, 0, SCO, RIGHT},
{"sl", "SL", pr_nop, sr_nop, 3, 0, XXX, RIGHT},
{"spid", "SPID", pr_thread, sr_nop, 5, 0, SGI, PIDMAX|RIGHT},
{"spid", "SPID", pr_thread, sr_tid, 5, 0, SGI, PIDMAX|RIGHT},
{"stackp", "STACKP", pr_stackp, sr_nop, 8, 0, LNX, RIGHT}, /*start_stack*/
{"start", "STARTED", pr_start, sr_nop, 8, 0, XXX, RIGHT},
{"start_code", "S_CODE", pr_nop, sr_start_code, 8, 0, LNx, RIGHT},
@ -1316,7 +1317,7 @@ static const format_struct format_array[] = {
{"sz", "SZ", pr_sz, sr_nop, 5, 0, HPU, RIGHT},
{"tdev", "TDEV", pr_nop, sr_nop, 4, 0, XXX, RIGHT},
{"thcount", "THCNT", pr_nlwp, sr_nop, 5, 0, AIX, RIGHT},
{"tid", "TID", pr_thread, sr_nop, 5, 0, AIX, PIDMAX|RIGHT},
{"tid", "TID", pr_thread, sr_tid, 5, 0, AIX, PIDMAX|RIGHT},
{"time", "TIME", pr_time, sr_nop, 8, 0, U98, CUMUL|RIGHT}, /*cputime*/ /* was 6 wide */
{"timeout", "TMOUT", pr_timeout, sr_timeout, 5, 0, LNX, RIGHT},
{"tmout", "TMOUT", pr_timeout, sr_timeout, 5, 0, LNX, RIGHT},

22
ps/parser.c
View File

@ -264,6 +264,7 @@ static const char *parse_sysv_option(void){
* SCO UnixWare uses -L too.
*/
trace("-L Print LWP (thread) info.\n");
thread_flags |= TF_show_task;
format_modifiers |= FM_L;
break;
case 'M': /* someday, maybe, we will have MAC like SGI's Irix */
@ -298,6 +299,7 @@ static const char *parse_sysv_option(void){
* Also, testing shows PID==SPID for all normal processes.
*/
trace("-T adds strange SPID column (old sproc() threads?)\n");
thread_flags |= TF_show_task;
format_modifiers |= FM_T;
break;
case 'U': /* end */
@ -367,7 +369,8 @@ static const char *parse_sysv_option(void){
case 'm':
trace("-m shows threads.\n");
/* note that AIX shows 2 lines for a normal process */
/* not implemented -- silently ignore the option */
thread_flags |= TF_show_proc;
thread_flags |= TF_show_task;
break;
case 'n': /* end */
trace("-n sets namelist file.\n");
@ -494,6 +497,11 @@ static const char *parse_bsd_option(void){
return "Option C is reserved.";
break;
#endif
case 'H': // The FreeBSD way (NetBSD:s OpenBSD:k FreeBSD:H -- NIH???)
trace("H Print LWP (thread) info.\n"); // was: Use /vmcore as c-dumpfile\n");
thread_flags |= TF_show_task; // FIXME: determine if TF_show_proc is needed
//format_modifiers |= FM_L; // FIXME: determine if we need something like this
break;
case 'L': /* single */
trace("L List all format specifiers\n");
exclusive("L");
@ -587,12 +595,11 @@ static const char *parse_bsd_option(void){
trace("j job control format\n");
format_flags |= FF_Bj;
break;
#if 0
case 'k':
trace("k N/A Use /vmcore as c-dumpfile\n");
return "Obsolete k option not supported.";
case 'k': // The OpenBSD way (NetBSD:s OpenBSD:k FreeBSD:H -- NIH???)
trace("k Print LWP (thread) info.\n"); // was: Use /vmcore as c-dumpfile\n");
thread_flags |= TF_show_task; // FIXME: determine if TF_show_proc is needed
//format_modifiers |= FM_L; // FIXME: determine if we need something like this
break;
#endif
case 'l':
trace("l Display long format\n");
format_flags |= FF_Bl;
@ -607,7 +614,8 @@ static const char *parse_bsd_option(void){
defer_sf_option("pmem", SF_B_m);
break;
}
/* not implemented -- silently ignore the option */
thread_flags |= TF_show_proc;
thread_flags |= TF_show_task;
break;
case 'n':
trace("n Numeric output for WCHAN, and USER replaced by UID\n");

6
ps/select.c
View File

@ -17,8 +17,8 @@
#include "../proc/readproc.h"
#include "../proc/procps.h"
#define session_leader(p) ((p)->session == (p)->pid)
#define process_group_leader(p) ((p)->pgid == (p)->pid)
#define session_leader(p) ((p)->session == (p)->tgid)
#define process_group_leader(p) ((p)->pgid == (p)->tgid)
#define without_a_tty(p) ((unsigned short)((p)->tty) == (unsigned short)0)
#define some_other_user(p) ((p)->euid != cached_euid)
#define running(p) (((p)->state=='R')||((p)->state=='D'))
@ -101,7 +101,7 @@ static int proc_was_listed(proc_t *buf){
break; case SEL_FGID: return_if_match(fgid,gid);
break; case SEL_PGRP: return_if_match(pgrp,pid);
break; case SEL_PID : return_if_match(pid,pid);
break; case SEL_PID : return_if_match(tgid,pid);
break; case SEL_PPID: return_if_match(ppid,ppid);
break; case SEL_TTY : return_if_match(tty,tty);
break; case SEL_SESS: return_if_match(session,pid);

20
top.c
View File

@ -175,7 +175,7 @@ static int Frame_srtflg, // the subject window's sort direction
* 2 columns each.
*/
SCB_NUMx(P_PID, pid)
SCB_NUMx(P_PID, XXXID)
SCB_NUMx(P_PPD, ppid)
SCB_STRx(P_URR, ruser)
SCB_NUMx(P_UID, euid)
@ -976,7 +976,7 @@ static void prochlp (proc_t *this)
/* calculate time in this process; the sum of user time (utime) and
system time (stime) -- but PLEASE dont waste time and effort on
calcs and saves that go unused, like the old top! */
hist_new[Frame_maxtask].pid = this->pid;
hist_new[Frame_maxtask].pid = this->tid;
hist_new[Frame_maxtask].tics = tics = (this->utime + this->stime);
#if 0
@ -987,9 +987,9 @@ static void prochlp (proc_t *this)
// find matching entry from previous frame and make ticks elapsed
while (lo <= hi) {
i = (lo + hi) / 2;
if (this->pid < hist_sav[i].pid)
if (this->tid < hist_sav[i].pid)
hi = i - 1;
else if (likely(this->pid > hist_sav[i].pid))
else if (likely(this->tid > hist_sav[i].pid))
lo = i + 1;
else {
tics -= hist_sav[i].tics;
@ -1001,7 +1001,7 @@ static void prochlp (proc_t *this)
{
HST_t tmp;
const HST_t *ptr;
tmp.pid = this->pid;
tmp.pid = this->tid;
ptr = bsearch(&tmp, hist_sav, maxt_sav, sizeof tmp, sort_HST_t);
if(ptr) tics -= ptr->tics;
}
@ -1066,7 +1066,7 @@ static proc_t **procs_refresh (proc_t **table, int flags)
savmax = curmax + 1;
}
// this frame's end, but not necessarily end of allocated space
table[curmax]->pid = -1;
table[curmax]->tid = -1;
return table;
#undef PTRsz
@ -2974,7 +2974,7 @@ static void task_show (const WIN_t *q, const proc_t *p)
MKCOL((int)p->nice);
break;
case P_PID:
MKCOL((unsigned)p->pid);
MKCOL((unsigned)p->XXXID);
break;
case P_PPD:
MKCOL((unsigned)p->ppid);
@ -3012,7 +3012,7 @@ static void task_show (const WIN_t *q, const proc_t *p)
break;
case P_TTY:
{ char tmp[TNYBUFSIZ];
dev_to_tty(tmp, (int)w, p->tty, p->pid, ABBREV_DEV);
dev_to_tty(tmp, (int)w, p->tty, p->XXXID, ABBREV_DEV);
MKCOL(tmp);
}
break;
@ -3037,7 +3037,7 @@ static void task_show (const WIN_t *q, const proc_t *p)
#endif
MKCOL((long)p->wchan);
} else {
MKCOL(wchan(p->wchan, p->pid));
MKCOL(wchan(p->wchan, p->XXXID));
}
break;
@ -3094,7 +3094,7 @@ static void window_show (proc_t **ppt, WIN_t *q, int *lscr)
lwin = 1;
i = 0;
while ( -1 != ppt[i]->pid && *lscr < Max_lines && (!q->winlines || (lwin <= q->winlines)) ) {
while ( -1 != ppt[i]->tid && *lscr < Max_lines && (!q->winlines || (lwin <= q->winlines)) ) {
if ((CHKw(q, Show_IDLEPS) || ('S' != ppt[i]->state && 'Z' != ppt[i]->state))
&& good_uid(ppt[i]) ) {
/*

4
w.c
View File

@ -146,7 +146,7 @@ static const proc_t *getproc(const utmp_t *restrict const u, const char *restric
*found_utpid = 0;
for(; *pptr; pptr++) {
const proc_t *restrict const tmp = *pptr;
if(unlikely(tmp->pid == u->ut_pid)) {
if(unlikely(tmp->tgid == u->ut_pid)) {
*found_utpid = 1;
best = tmp;
}
@ -158,7 +158,7 @@ static const proc_t *getproc(const utmp_t *restrict const u, const char *restric
secondbest = tmp;
}
if(!ignoreuser && uid != tmp->euid && uid != tmp->ruid) continue;
if(tmp->pid != tmp->tpgid) continue;
if(tmp->tgid != tmp->tpgid) continue;
if(best && tmp->start_time <= best->start_time) continue;
best = tmp;
}