Hi guys,
I hope everybody is doing fine. I have written this small program which solves the critical region problem. Only on of the two threads can make changes to a common variable called counter. I am using two semaphores, is it possible to write the same program using only one semaphore? Here have a look at my code
And more thing, which semaphore am i using in this program, is it binary or counting semaphore???
Hi all, I am having a very critical problem in merging lines in my file as, let my file contents are:
cat test1.txt
name1.......
address1.......
phone1......
<blank>
name2......
address2.....
phone2.....
<blank>
and so on. Now i have to merge these lines by which my desired output... (2 Replies)
Hello all,
I have a question about what you think the best practice is to determine what region you are running on when you have a system setup with a DEV/TEST, QA, and PROD regions running the same scripts in all.
So, when you run in DEV, you have a different directory structure, and you... (4 Replies)
Hi friends,
I have this very famous Operating System book titiled, "Operating System Concepts" by Abaraham Silbertschatz 7th edition.
Regarding the semaphores, here is a paragraph from the book which says,
We can also use semaphores to solve various synchronization problems. For example,... (1 Reply)
How can I find the regions between specific lines?
I have a file which contains lines like this:
chr1 0 17388 0
chr1 17388 17444 1
chr1 17444 17599 2
chr1 17599 17601 1
chr1 17601 569791 0
chr1 569791 569795 1
chr1 569795 569808 2
chr1 569808 569890 3
chr1 569890 570047 4 ... (9 Replies)
Dears my rootvg is missed up i can not extend the /opt
as soon as i try to extend the Filesystem its give me that there is not enough space .
as there any way to change the REGION of the LVs in HDISK1 ?
lspv -p hdisk0
hdisk0:
PP RANGE STATE REGION LV NAME TYPE ... (8 Replies)
Hello, I am trying to concatenate two strings by merging the overlapped region. E.g.
Seq1=ACGTGCCC
Seq2=CCCCCGTGTGTGT
Seq_merged=ACGTGCCCCCGTGTGTGTFunction strcat(char *dest, char *src) appends the src string to the dest string, ignoring the overlapped parts (prefix of src and suffix of dest).... (30 Replies)
Hi,
I would like to know how can I get a mean score value by ID over a defined genomic region. Here it is an example:
file1
12 100 103 id1
12 110 112 id1
12 200 203 id2
file2
12 100 101 1
12 101 102 0.8
12 102 103 0.7
12 110 111 2.5
12 111 112 2.8
12 200 201 10.1
12 201 202... (7 Replies)
Discussion started by: fadista
7 Replies
LEARN ABOUT CENTOS
pthread_getname_np
PTHREAD_SETNAME_NP(3) Linux Programmer's Manual PTHREAD_SETNAME_NP(3)NAME
pthread_setname_np, pthread_getname_np - set/get the name of a thread
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <pthread.h>
int pthread_setname_np(pthread_t thread, const char *name);
int pthread_getname_np(pthread_t thread,
const char *name, size_t len);
Compile and link with -pthread.
DESCRIPTION
By default, all the threads created using pthread_create() inherit the program name. The pthread_setname_np() function can be used to set
a unique name for a thread, which can be useful for debugging multithreaded applications. The thread name is a meaningful C language
string, whose length is restricted to 16 characters, including the terminating null byte ('