06-22-2009
10 More Discussions You Might Find Interesting
1. Programming
hi mates,
What is the : semctl system call for? any example will be helpful and be appreciated.
cya and thanx
abdul (2 Replies)
Discussion started by: abdul
2 Replies
2. Programming
Dear Friends,
I write a c program to list the directories recursively. For this I write a function called my_readdir to read the content of directory. For this I use read system call it returns -1, then I use readdir system call it gives comment terminated error or segmentation... (1 Reply)
Discussion started by: spmlingam
1 Replies
3. 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
4. Programming
How the c compiler differentiates the system calls and function calls? (1 Reply)
Discussion started by: rangaswamy
1 Replies
5. 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
6. 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
7. 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
8. 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
9. Programming
Hi again ;) Now I want to make a program that will execute the programs with exec, asking the user if he wants the program to run in background or foreground.
scanf("%c",&caracter);
if (caracter=='y'){
printf("Has decidido ejecutarlo en background\n");
if((pid=fork())==0) {// fork para... (3 Replies)
Discussion started by: lamachejo
3 Replies
10. Programming
newPerm = oldPerm & ~0100;
where oldPerm holds the value of st_mode from the system call stat().
When I try and compile every line where ive attempted to do these operations gives the warning "parameter names without declaration types in function declaration". what could be the problem? the... (2 Replies)
Discussion started by: bjhum33
2 Replies
CTAN(3P) POSIX Programmer's Manual CTAN(3P)
NAME
ctan, ctanf - complex tangent functions
SYNOPSIS
#include <complex.h>
double complex ctan(double complex z);
float complex ctanf(float complex z);
DESCRIPTION
These functions compute the complex tangent of z.
RETURN VALUE
These functions return the complex tangent value.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
catan(), the Base Definitions volume of IEEE Std 1003.1-2001, <complex.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE
and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained
online at http://www.opengroup.org/unix/online.html .
IEEE
/The Open Group 2003 CTAN(3P)