The following code is supposed to make 100,000 threads: /* compile with: gcc -lpthread -o thread-limit thread-limit.c */ /* originally from: http://www.volano.com/linuxnotes.html */ #include <stdlib.h> #include <stdio.h> #include <unistd.h> #include <pthread.h> #include <string.h> #define MAX_THREADS 100000 int i; void run(void) { ...
The Linux file /proc/net/dev reads like this: [me@host ~]$ cat /proc/net/dev Inter-| Receive | Transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed What do fields drop and errs mean? Are some errs packets ...
Hello, If I create the script /root/bin/whoami.sh conatining: #!/bin/bash whoami And this script is called by a user with a properly configured sudo, it will indicate root Is there a fast way to obtain the actual user in a script, or will I have to resort to parameters passing along this username? TIA, Bert ...
The title says it all but I want to be able to specify the location in both where to scan and where the converted file will go. It's just there is a lot of conversions and I've got a script which should sort it for me. Currently I've tried convert -resize 300x300 > /media/usbdisk1/development/ephoto/richard/images/gallery/2007/29/norm...
In this example: configure.ac: ... AC_CONFIG_FILES([script1]) AC_OUTPUT script1.in: #!/bin/bash ... config=@datadir@/blah This @datadir@ is expanded to ${prefix}/share, is there any way to expand it to /usr/local/share? ...
Could you explain the difference between CLOCK_REALTIME and CLOCK_MONOTONIC clocks returned by clock_gettime() on Linux? Which is a better choice if I need to compute elapsed time between timestamps produced by an external source and the current time? Lastly, if I have an NTP daemon periodically adjusting system time, how do these adju...
Now I am successfully using WebClient.DownloadString to get file content from ESX server. My URI is something like: https://<ip>/folder/<file-path>?dcPath=ha-datacenter&dsName=<datastore-name> But how can I get a content of a hidden file (e.g. '.myfile')? UPDATE: I have the 404 or Not Found error message when I ...
Hello I have a "debugger"-like application, named hyper-ptrace. It starts user_appl3 which is multithreaded with NPTL. Main loop of hyper-ptrace is: wait3(&status, FLAGS, &u); // find a pid of child, which has a signal switch (signal = WSTOPSIG(status)) { case SIGTRAP: do_some_analysis_of_the_child(pid, &status) // up to several...
Hi, We are porting existing windows code to Linux. We are using ACE as abstraction layer. We are using windows named pipes for communicating with multiple clients and to perform overlapped operations . What is the equivalent to this in linux. I have checked linux named pipes(FIFO), but they seem to support only one client and server an...
hi, i wanna use databases in D:\xampp\mysql\data in my linux mysql without moving it. so i can work on them from both linux and windows here is what i did: # mount -t ntfs -o uid=mysql,gid=mysql,dmask=002,fmask=113 /dev/sda5 /media/public/ # cd /var/lib/mysql # ln /media/public/xampp/mysql/data/my_db -s # chown -R mysql:mysql /var/lib...
Is there any Visual C++ compiler for linux supporting most of VS Visual C++? If there is no such what is best alternative for porting\adapting your visual C++ code to? ...
Is there something like the sendfile-syscall that works with multiple target file descriptors (i.e. instead of copying from one FD to another FD, it could should copy to, say, 4 FDs)? I know that when talking about asynchronous IO, this is known as gather/scatter, but I could not find anything in the Linux AIO documentation. ...
I have a thread that needs to write data from an in-memory buffer to a disk thousands of times. I have some requirements of how long each write takes because the buffer needs to be cleared for a separate thread to write to it again. I have tested the disk with dd. I'm not using any filesystem on it and writing directly to the disk (open...
Songbird is an open source media player with lot of plugins. I want to broadcast media playing on my songbird over a network. Kindly, do not suggest me using another player. ...
We recently upgraded our PHP and apache versions on our server. Prior to this our sessions were able to be carried over between subdomains without error. Unfortunately when we made the upgrades it stopped working. From what I can see everything is the same. I have tried ini_set("suhosin.session.cryptdocroot", "Off"); ini_set("suhosi...
Recently I had to update my JAVA environment variable in .bashrc echo $JAVA_HOME # prints out /usr/java/... echo $(JAVA_HOME) # raises error "can't find JAVA_HOME command" I'm worried that my make file, which uses $(JAVA_HOME) won't work since $JAVA_HOME gets recognized, but not $(JAVA_HOME) How can I get $(JAVA_HOME) to equ...
Hello, I'm printing some labels on a Zebra TLP-2844 printer, and been doing it fine on windows by sending the EPL instructions to the shared USB printer, as following: type Label.prn > \my-pc\zebra and it seems to work with serial ports to with type Label.prn > COM1 Now i'm trying to to the same on linux, but it's getting re...
I'm using vim to edit files that use a programming language where the end of line is not marked with ;. This causes problems when I try to fix indentation in vim. If I put a ; at the end then vim is able to correctly fix the indentation, but since this programming language doesn't have a ; at the end of a statement the indentation isn't ...
I'm trying to use vim to edit source code for AutoHotkey. This is how the source code looks when correctly formatted: if foo { if bar = 1 callFunc1() if bar = 2 callFunc2() if bar = 3 callFunc3() } If I do =G, then this is what vim changes it to: if foo { if bar = 1 callFunc1() ...
After a process forks and the forked son invokes execv, is the result still the son of the father? ...