|
|
Sponsored Content
Top Forums
UNIX for Advanced & Expert Users
how to differentiate system call from library call
Post 302127855 by blowtorch on Thursday 19th of July 2007 10:22:24 PM
07-19-2007
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi folks,
I'm trying to organize functions in my ksh program into libraries.
If I run my program as any ksh user it will succeed.
Only when I run my program as tcsh user (i.e oracle) I failed.
Example
=======
The ksh code:
tornado:/tmp # cat nir.ksh
#! /bin/ksh
cdromPath=`pwd`... (1 Reply)
Discussion started by: nir_s
1 Replies
2. Programming
How the c compiler differentiates the system calls and function calls? (1 Reply)
Discussion started by: rangaswamy
1 Replies
3. Shell Programming and Scripting
I have written a shell script called square, which prints the square of the input number, eg.
> square 4
16
There is a program called shc which compiles the shell scirpt and create a executable file and a c library file, namely square.x and square.x.c repectively.
If I would like to... (0 Replies)
Discussion started by: alfredo
0 Replies
4. Programming
I have written a shell script called square, which prints the square of the input number, eg.
> square 4
16
There is a program called shc which compiles the shell scirpt and create a executable file and a c library file, namely square.x and square.x.c repectively.
If I would like to... (1 Reply)
Discussion started by: alfredo
1 Replies
5. Infrastructure Monitoring
Hello,
I have a problem with package and name space.
require "/Mehran/DSGateEngineLib/general.pl";
use strict;
sub System_Status_Main_Service_Status_Intrusion_Prevention
{
my %idpstatus;
my @result;
&General_ReadHash("/var/dsg/idp/settings",\%idpstatus);
#print... (4 Replies)
Discussion started by: Zaxon
4 Replies
6. 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
7. 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
8. 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
9. 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
10. 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
LEARN ABOUT MINIX
mq_getsetattr
MQ_GETSETATTR(2) Linux Programmer's Manual MQ_GETSETATTR(2) NAME
mq_getsetattr - get/set message queue attributes SYNOPSIS
#include <sys/types.h> #include <mqueue.h> int mq_getsetattr(mqd_t mqdes, struct mq_attr *newattr, struct mq_attr *oldattr); Note: There is no glibc wrapper for this system call; see NOTES. DESCRIPTION
Do not use this system call. This is the low-level system call used to implement mq_getattr(3) and mq_setattr(3). For an explanation of how this system call operates, see the description of mq_setattr(3). CONFORMING TO
This interface is nonstandard; avoid its use. NOTES
Glibc does not provide a wrapper for this system call; call it using syscall(2). (Actually, never call it unless you are writing a C library!) SEE ALSO
mq_getattr(3), mq_overview(7) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 MQ_GETSETATTR(2)