In short our required is that we are creating a share library which can be loaded by a process and that share library analysis the process which load it. Since share library is in address space of the process so I need to find out how many threads created by the process and what is status of their stack trace etc.
So I am looking for a way to get list of threads in running process.
How to get list of threads of a process using C code in Linux?
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View 1 Replies View RelatedI am troubleshooting something and I got this problem.
If I do "pstree -p"
It shows,
Code:
[code]....
However, it does NOT show up in "ps -elf"
Code:
ps -elf | grep soffi
0 S whho 7734 1 0 80 0 - 36435 - 11:14 pts/2 00:00:03 /usr/lib/openoffice/program/soffice.bin -splash-pipe=5
0 S whho 7833 7759 0 80 0 - 751 - 11:21 pts/3 00:00:00 grep soffi
I was wondering if 7735, 7736, 7737, 7743 were really processes. Then I checked /proc, I could cd to /proc/7735, /proc/7736, etc, but I could not ls them out. I looked at the man page of "pstree", it says,
Code:
Child threads of a process are found under the parent process and are shown with the process name in curly braces, e.g.
icecast2---13*[{icecast2}]
So, what does all this mean? Does it mean that 7735, 7736, 7737, 7743 are just threads but not processes? If so, why could I cd to /proc/<id> but not see them in "ps -elf".
these are the functions I am using for creating threads..
#include "mythread.h"
/** Global Data **/
tcbList_t *readyList = NULL; /* Ready list */
tcb_t *runningTCB; /* Currently running thread */
tcb_t mainTCB; /* Starting threads's TCB */
[code]....
The function endThread() currently simply ends the entire program, not just the terminating thread. I need to modify the function endThread() so that it will place the terminating thread on the zombie list and switch to the next ready thread if the ready list is not empty. If the ready list is empty then endThread() should switch back to the main thread (the state of the main thread was saved in "mainTCB" by initiate())... and, in createThread() space is malloc'd for the thread's TCB and stack. This space should be freed...
is there any tool can show the thread/process schedule information? i would like to know when the thread/process wakeup, and when it was suspend? it includes kernel and user space. With this information, i can know the thread/process task schedule, and calculate the MIPs.Another, do you know whether LTT support User space thread trace?
View 2 Replies View RelatedI want to know, is there any way to prevent the multi-thread process from crashing if some errors (say, segmentation faults) occur in one of its child threads? I've found pthread_sigmask() function, but that does not seem to work:
Code:
#include <stdio.h>
#include <unistd.h>
[code]...
When I run ps fax|grep grep it shows one process like:
How is that possible?
I'm trying to get this rather troublesome (and poorly made, I might add) game to work correctly, and right now it has frozen to a black screen with a frozen cursor. I can't figure out how to shutdown X, but while this game is frozen as it is, I might as well figure out what the process status SL+ means. If anyone has a link to a list of process status codes and their meanings
View 1 Replies View RelatedThis is a client server issue where the server creates a new thread for listening to a new client, now when the thread starts execution and during its execution the server needs to pass it an object of some X class, how's that to be done?
View 4 Replies View RelatedI have created a simple download schedular with source-code give below :
---------------------record_strokes.sh-------------------
touch /home/student/packs/lynx/logfile
lynx -cmd_log /home/student/packs/lynx/logfile
[code]....
I am new to Linux and have asked several Linux enthusiasts about my problem, however I am wondering at this point if it is a lost cause, since many have been unable to help me solve my problem.
I am unable to run a certain C code which uses the obsolete compilation method 'imake'. I would kindly like to ask if there is any way that I can run this code. Am I required to install anything? Or do I have to change the code in some way so that it could run on a more updated compilation method?
I installed mysqld with yum then yum quit working with this error:http://yum.baseurl.org/ticket/70 when mysqld is stopped yum works again. what does a running instance of mysqld have in common with a python yum package manager?
rpm -qa rpm* python* yum* mysql* | sort
mysql-5.0.45-7.el5
mysql-devel-5.0.45-7.el5
mysql-server-5.0.45-7.el5
[Code]...
Is it possible, using ps, to determine where a process is running from? I have two applications, both are identical and running in parallel directories, such as /app1/start.sh and /app2/start.sh. If I run ps -ef then I'm unable to tell the difference between the two
Using ps (or alternative), how can I tell that PID 123 belongs to app1?
Is there a way for me to tell cron to run an app BUT not run it if a process exist already?
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We wrote one script which is being fired for every minute, instead of that is there any to trigger the event from linux core implicitly if there is any change in my process(pid)?
Is there any way to run a long process in background so that it still remain in running state even if the user logout the system.
View 12 Replies View RelatedI'm running GNU Emacs 23.1.1 on "Ubuntu 10.04.1 LTS" and any search I perform using the built-in M-x rgrep on the standard Linux kernel source code (vanilla) ends prematurely with the following error printed to the emacs echo area:Grep exited abnormally with code 123.I have been seeing it for a while on Redhat systems as well, and with other (large) code bases.
View 2 Replies View RelatedI am going to use "pthread_setaffinity_np" to bind a thread to a specific core. My application has two threads. I have used mutex to assign a specific id to each thread and then bind that thread to a core different from another core. but it seems that the os assigns both thread to one core.What should I do to bind each thread to a specific core?
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View 2 Replies View RelatedIs there a way in zabbix to monitor whether a process is running( up/ down)
i am using zabbix 1.8.4
i know that there is already a command for it but it comes out with a lot of letters that makes it hard to find the services that are runningi'm talking about services like DNS, APACHE, DHCP, SAMBA, SSH etcis there a command that will list these services and related services that are running instead of showing a bunch of jumbled and lettered mess thats hard to comprehend
View 6 Replies View RelatedPossible Duplicate: Finding the process that is using a certain port in Linux I'm using Ubuntu Linux 11.04. How do I write a shell script expression that will find the process running on port 4444 and then kill the process?
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