Thank you for responding.
Producing the code for the forum would not be possible, if only because it is a part of a complicated project. I don't currently have a short working example.
My "waiter" code looks like:
The "waker" side looks like:
Could someone who has experienced such a problem can suggest typical reeasons why the pthread_cond_signal() gets stuck in such a usage.
I have been busy reading away on devices and filesystems and I am stuck on a particular subject matter.. I'm not understanding the concept behind mknod mkfifo makedev or related commands..
can anyone shed some light on the subject.!
any feedback welcome!
moxxx68 (0 Replies)
#!/bin/bash
echo $1 | cat - $2 >> /tmp/$$ && mv /tmp/$$ $2
im trying to get the first argument to go in the middle of the second argument which is a file, anyone any ideas. i have only managed to get it to go on the end or the front.
been fiddling about with wc -l, i get the number of lines... (5 Replies)
Suppose that I have some data:
12,30
12,45
2,3
7,8
3,9
30, 8
45,54
56,65
Where (a,b) indicates that a is connected to b. I want to get all connected nodes to one point. For instance, the output of the above
example should be something like:
Group 1
2,3
3,9
Group 2
12,30
12,45... (4 Replies)
Hi There
I am pretty new to UNIX and have only been using it from a basic point of view,I now want to start using it and learning more , have got a whole lot of books and documentation from the web and am slowly learning.I have written a get script in windows :-
lcd E:\MAIN\PRO\FILES\MAINDB... (1 Reply)
I want to search for the line with the group name and add the user into the group. The file format is the same as /etc/group
The code i wrote is
egrep "^$newGID" $group >/dev/null
FS=":"
oldData=awk -F: '{print $3}'
newData= "$oldData,$newUser"
sed -n $4/$newData $group
but a friend... (1 Reply)
Hi All
I have script that find 777 dir with specific extension like .php .Now after finding all 777 directory i will place in httpd.conf using a directory directive ,Now i was not do that,if directory entry exitst in httpd.conf then script ignor it dont show me at stdout else if it dont find... (2 Replies)
I was given this to do,
Write a Shell script to automatically check that a specified user is logged in to the computer.
The program should allow the person running the script to specify the name of the user to be checked, the frequency in seconds at which the script should check. If a... (1 Reply)
When i try to make my c project i am getting an error message like this : ../../../lib/linux/libxml.so: undefined reference to `pthread_cond_signal@GLIBC_2.3.2'
Please help me in resolving this. (0 Replies)
Hi,
below are the commands I use to get many gif files from /usr/local/images directory, the command just getting stuck at mget, nothing is moving
cd /usr/local/images
binary
mget *.gif:wall:
close
quit (3 Replies)
okay,i made a grave mistake in installing the base bare bones install of debian.
here i have edited this from the original.
this morning when i got home from work i did some searching and then just shut the system down via the mechanical off on switch. waited a few minutes and then restarted... (0 Replies)
Discussion started by: cowLips
0 Replies
LEARN ABOUT FREEBSD
pthread_cond_signal
PTHREAD_COND_SIGNAL(3) BSD Library Functions Manual PTHREAD_COND_SIGNAL(3)NAME
pthread_cond_signal -- unblock a thread waiting for a condition variable
LIBRARY
POSIX Threads Library (libpthread, -lpthread)
SYNOPSIS
#include <pthread.h>
int
pthread_cond_signal(pthread_cond_t *cond);
DESCRIPTION
The pthread_cond_signal() function unblocks one thread waiting for the condition variable cond.
RETURN VALUES
If successful, the pthread_cond_signal() function will return zero, otherwise an error number will be returned to indicate the error.
ERRORS
The pthread_cond_signal() function will fail if:
[EINVAL] The value specified by cond is invalid.
SEE ALSO pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3), pthread_cond_timedwait(3), pthread_cond_wait(3)STANDARDS
The pthread_cond_signal() function conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').
BSD July 28, 1998 BSD