I can't compile these codes with g++.
my system is linux (kernel is 2.4.0 ).
When I try to compile this program with g++ -o semw semw.cpp
It always tells me that sem_open sem_close,sem_post do not exist.But I have checked semaphore.h,I can not find any problems.
Anyone can compile these codes in system linux ,and tell me the result ?May be it is the bug of linux ? added code tags for readability --oombera
Hi, folks.
Sorry for bothering, but maybe someone could help me please.
The problem is the following:
there is some script that copies files from local file system to AFS. The copying is performed with dd command.
The script copies data into some AFS volumes.
The problem appeared with one... (0 Replies)
I am on HP-UX delta B.11.11
I am using sem_open() and compiling/linking the library by specifying -lrt.
Then, I am creating library like below:
ar cr $libdir/liboscfe.a `cat fe.libs.$$ com.libs.$$`
ranlib $libdir/liboscfe.a
Now, I am compiling another utility sch2db which requires this... (1 Reply)
Hi
Please help me with the following problem with my script.
The following block of code is not repeating in the while loop and exiting after searching for first message.
input_file
==========
host001-01
host001-02
2008-07-23 13:02:04,651 ConnectionFactory - Setting session state... (2 Replies)
Hi
I am right now facing a strange hardware problem. System get booted with the following error:
Fatal Error Reset
CPU 0000.0000.0000.0003 AFSR 0100.0000.0000.0000 SCE
AFAR 0000.07c6.0000.1000
SC Alert: Host System has Reset
It happen 4 or 5 times and get the same error every time.I... (8 Replies)
1) when user login to the server the session got colosed. How will resolve?
2) While firing the command ls -l we are not able to see the any files in the director. but over all view the file system using the command df -g it is showing 91% used. what will be the problem?
Thanks in advance. (1 Reply)
Hi,
i've a redhat linux 9 upadated by redhat from 7 version to 9 version. A couple of days ago i was a problem with my mail, in other words i'm not able to get any email nor to send any email. I've a proxy configuration and i tried to set iptables in order to verify the port. The 110,255 and 995... (1 Reply)
At work I am trying to get this one Linux machine (let's call it ctesgm07) to behave like another Linux machine that we have (let's call it test007).
test007 returns the following version info:
cat /etc/debian_version: lenny/sid
uname -a: Linux test007 2.6.27-7-generic #1 SMP Tue Nov 4... (0 Replies)
Dear ALL.
I installed AIX OS on customer sites.
but Only one site is too slow when I connected telnet, ftp..
Ping is too fast. but telnet and FTP is not connected..
of course i check the configuration file on aix but it's normal.
Do any Idea??
thanks in advance.
- Jun - (3 Replies)
Hi,
This is rather a question from a "user" than from a sys admin, but I think this forum is apropriate for the question.
I have an adress with automatic email forwarding and for some senders (two hietherto), emails are bouncing. This has really created a lot of problems those two time so I... (0 Replies)
I don't know if you guys get this problem sometimes at Terminal but I had been having this problem since yesterday :( Maybe I overdid the Terminal. Even the codes that used to work doesn't work anymore.
Here is what 's happening:
* I wanted to remove lines containing digits so I used this... (25 Replies)
Discussion started by: Nexeu
25 Replies
LEARN ABOUT OSF1
sem_close
sem_close(3) Library Functions Manual sem_close(3)NAME
sem_close - Deallocates the specified named semaphore (P1003.1b)
LIBRARY
Realtime Library (librt.so, librt.a)
SYNOPSIS
#include <semaphore.h>
int sem_close (
sem_t *sem) ;
PARAMETERS
sem References the semaphore to be closed. Use the sem argument returned by the previous call to sem_open.
DESCRIPTION
The sem_close function makes a semaphore available for reuse by deallocating any system resources allocated for use by the current process
for the named semaphore indicated by sem.
If the semaphore has not been removed with a call to sem_unlink, sem_close does not change the current state of the semaphore.
If the semaphore has been removed with a call to sem_unlink after the most recent call to sem_open with O_CREAT, the semaphore is no longer
available after all processes that opened the semaphore close it.
RETURN VALUES
On a successful call, a value of 0 (zero) is returned. Otherwise, a value of -1 is returned and errno is set to indicate that an error
occurred.
ERRORS
The sem_close function fails under the following condition:
[EINVAL] The sem argument is not a valid semaphore descriptor.
RELATED INFORMATION
Functions: sem_init(3), sem_open(3), sem_unlink(3)
Guide to Realtime Programming delim off
sem_close(3)