Sponsored Content
Homework and Emergencies Homework & Coursework Questions Bounded Buffer is hanging, tried all I can. (C++) Post 302734205 by digitalbrainiac on Wednesday 21st of November 2012 05:15:02 PM
Old 11-21-2012
That seems a bit beyond me DGPickett, lol. But I do see how multi-threading would make searching multiple things a lot faster.

I'm planning on using multi-threads for my upcoming Digital Forensic's assignment. Need to write a program to crack a password entered in (no encryption).

What I'm going to do is have one thread per character of password entered, go through the ascii table on each, writing 8 characters to a string and compare that to the string entered.
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Hanging commands

Hello, I just tried to run this command: /usr/lib/sendmail -d0.1 -bt < /dev/null | grep -i version Its doing what I want: writing out the sendmail version. But on some machines it writing the version and then exit to the prompt but on others its writing the version but then hangs, I need to... (0 Replies)
Discussion started by: jOOc
0 Replies

2. Solaris

hanging sockets!??!

hi all, i had a program which created a socket on port 7113, but for some reason the program was hunbg and I had to Ctrl+c it. I ran the program for a couple of times and now when I do a netstat -a I see that these sockets are lingering and that might be the reason why my program is not... (1 Reply)
Discussion started by: Naanu
1 Replies

3. UNIX for Dummies Questions & Answers

Hanging port?

Ok, this question my be different. I can ping our unix box, but when we I to access the webpage I cant. To access the webpage I type http://ipaddress:some port. How do I check if a port is hanging and how would I un hang it. Sorry if question doesnt make sense. (1 Reply)
Discussion started by: NycUnxer
1 Replies

4. Shell Programming and Scripting

Script is hanging

Hello, I have the following shell script and when i execute, it keeps hanging and nothing happens Please let me know. Requirement is to read data from file and pass it to the sql and create files as shown. code /******** #!/bin/sh while read user.dat do echo "user = $1 email =... (1 Reply)
Discussion started by: rakeshsr12
1 Replies

5. Programming

bounded buffer implementation

Hi Experts, I have a programming assignment that asks us to implement a pipegrep function. it basically has 5 stages and each stage has a thread and buffers are used between stages. am currently implementing stage 1 . In stage 1 am suppose to read directory and store the filenames in buffer1... (15 Replies)
Discussion started by: amejoish
15 Replies

6. Solaris

df command hanging

Hi Folks, When i execute the command df -kh in my system the o/p hangs.. The command runs fine but takes a lot of time before coming back to the # prompt. Can anyone please suggest the possible cause and solution?. (10 Replies)
Discussion started by: vivek.goel.piet
10 Replies

7. Shell Programming and Scripting

nslookup hanging

Hey folks. Long time lurker, first time poster. I'm a bit of a newbie at "coding" (obviously, scripting is a teensy bit different than coding) and I've run into a problem that I just can't seem to get around. I'm going through a list of servers to check their name, IP, reverse-NSLOOKUP name and... (2 Replies)
Discussion started by: Bearwhale
2 Replies

8. Shell Programming and Scripting

sed hanging

/bin/sed -n '$q;5633653,0 p' lfile lfile is a log file that is being updated several times a second. so, the command above figures out the line number it wants in the lfile and then proceeds to output all lines from that line number to the end of the file. the problem is, the end of the... (2 Replies)
Discussion started by: SkySmart
2 Replies

9. Shell Programming and Scripting

Sftp hanging

Hi All, I am transfering a file through sftp. But the script is hanging at exit occasionally. I am suspecting that sftp is hanging due to buffer size issue. If that is the case can any body suggest a solution. Please find the code. echo "cd /${CUST_ID}/inbound/${SAFET_ID}" >... (0 Replies)
Discussion started by: Girish19
0 Replies

10. Shell Programming and Scripting

XML text bounded with tag

Could you please give your inputs on the below issue: source.xml <?xml version="1.0" encoding="UTF-16"?> <P1 > <C1 type="i"><2></C1> <V1 type="string"><6.2></V1> <D1 type="string"> <D2><1.0></D2> <D2><2.0></D2> </D1> ...................... ...................... many more... (7 Replies)
Discussion started by: unme
7 Replies
tis_write_lock(3)					     Library Functions Manual						 tis_write_lock(3)

NAME
tis_write_lock - Acquires the specified read-write lock for write access. LIBRARY
Standard C Library (libc.so, libc.a) SYNOPSIS
#include <tis.h> int tis_write_lock( tis_rwlock_t *lock); STANDARDS
None PARAMETERS
Address of the read-write lock to be acquired for write access. DESCRIPTION
This routine acquires a read-write lock for write access. This routine waits for any other active locks (for either read or write access) to be unlocked before this acquisition request is granted. This routine returns when the specified read-write lock is acquired for write access. RETURN VALUES
If an error condition occurs, this routine returns an integer value indicating the type of error. Possible return values are as follows: Successful completion. The value specified by lock is not a valid read-write lock. ERRORS
None RELATED INFORMATION
Functions: tis_read_lock(3), tis_read_trylock(3), tis_read_unlock(3), tis_rwlock_destroy(3), tis_rwlock_init(3), tis_write_trylock(3), tis_write_unlock(3) Manuals: Guide to DECthreads and Programmer's Guide delim off tis_write_lock(3)
All times are GMT -4. The time now is 06:00 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy