9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Trying to figure out a load issue with a webserver. I have traced a php script and noticed the following
connect(4, {sa_family=AF_INET, sin_port=htons(3306), sin_addr=inet_addr("XX.XX.XX.XX")}, 16) = -1 EINPROGRESS (Operation now in progress) <0.000035>
poll(, 1, 2000) = 1 () <0.000120>... (5 Replies)
Discussion started by: rajan007
5 Replies
2. Programming
hi everyone
i wrote a system call and compiled the kernel succesfully...
my system call is in a file in the kernel folder named my_syscall1.c (kernel/my_syscall1.c)
the header file for this system call i added it in the folder include like this include/my_syscall1/my_syscall1.h
my problem is... (2 Replies)
Discussion started by: demis87
2 Replies
3. Programming
I have a cgi script which is called after certain time interval, which has this:
system ("ls -l /tmp/cgic* | grep -v \"cgicsave.env\" | awk '{print $5}'");
During the execution of this script,the output is 0 sometimes. But due to this the system call is not working at all and doesnt o/p... (2 Replies)
Discussion started by: xs2punit
2 Replies
4. Programming
Dear all,
Inside a C program, I want to open a very big file (about 12 GB) in order to read its
content. Here is the code:
/*
argv contains the path to the file.
*/
inputFileDescriptor = open(argv, O_RDONLY);
if (inputFileDescriptor < 0)
{
... (6 Replies)
Discussion started by: dariyoosh
6 Replies
5. UNIX for Advanced & Expert Users
When the programmer use 'open' function, the process is like below.
"open -> system call wrapper of open in Glibc -> syscall_open in kernel"
I found the wrapper of open, but there is no implementation like 'int $80'.
int
__open (file, oflag)
const char *file;
int oflag;
{
... (3 Replies)
Discussion started by: yuno96
3 Replies
6. Programming
Hi
I'm studing the system call. I've written a small program that return the time spent in doing some operations. Now I'd like to write one that return the time spent in user mode of a process.
I'm reading that i should use the tms struct:
clock_t times(struct tms *buf);
struct tms {... (2 Replies)
Discussion started by: Dedalus
2 Replies
7. Shell Programming and Scripting
Hi,
How to write a system calls in a script ?
> cd $HOME
> ls -ltr
thanks in advance.. (10 Replies)
Discussion started by: hegdeshashi
10 Replies
8. Programming
How the c compiler differentiates the system calls and function calls? (1 Reply)
Discussion started by: rangaswamy
1 Replies
9. UNIX for Advanced & Expert Users
Hi,
Ho do I differentiate system call from library call?
for example if I am using chmod , how do I find out if it is a system call or library call?
Thanks
Muru (2 Replies)
Discussion started by: muru
2 Replies