12-08-2010
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10 More Discussions You Might Find Interesting
1. Filesystems, Disks and Memory
Hello. I'm writing some random access i/o software on Solaris 8 using mmap64 to memory map large files (my test file is ~25 GB).
The abbreviated code fragment is:
fd = open(cbuf,O_RDONLY|O_LARGEFILE);
struct stat statbuf;
fstat(fd,&statbuf);
off_t len =... (0 Replies)
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2. HP-UX
We recently have been seeing the following type of error on our development server. Being somewhat new to HP-UX I was hoping to get some insight. Here is what I have found.
I have been doing some research.
/usr/lib/dld.sl: Call to mmap() failed - TEXT /u07/mdev/lib/libCLEND.sl... (2 Replies)
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3. UNIX for Advanced & Expert Users
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4. Solaris
Dear Experts,
i have a problem related to mmap(), when i run my program on sun for 64 bit which is throwing SIGBUS when it encounters mmap() function, what is the reason how to resolve this one, because it is working for 32 bit.
with regards,
vidya. (2 Replies)
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5. UNIX for Dummies Questions & Answers
how to use mmap() to map a file to memory space. Do you have any simple program???? Because I have to implement lot of concepts into it. (3 Replies)
Discussion started by: gokult
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6. Homework & Coursework Questions
Descriptions:
Develop a program that uses mmap() to map a file to memory space. Prepare such a file by yourself and do the follows.
<LI class=MsoNormal>Display the content of the file after mapping; <LI class=MsoNormal>Output how many digits included in the file; <LI class=MsoNormal>Replace... (1 Reply)
Discussion started by: gokult
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7. Programming
hai,
How do we map 'n' number of files into memory by using mmap system call??
Thanks in advance...... (5 Replies)
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8. UNIX for Advanced & Expert Users
Hi
I want to lock or prevent a portion of memory which I allocated. So I tried MLOCK, MPROTECT and some like this. But all these functions works only on page border. Can I know why that so.
Is that possible to protect a portion of memory which is in middle of the page.
Example.
int A;
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Discussion started by: jionnet
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9. Emergency UNIX and Linux Support
I want to know whether this is possile or ever been tried out.
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I do it so :
n = mmap(0, 8000, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
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10. BSD
I'm new to kernels and C, and I am tinkering around trying to understand OpenBSD's secure memory management. I'm stumped on a couple points.
I've read up on malloc() which was apparently modified years ago to allocate memory using mmap. First question, that would be this here, right?
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LEARN ABOUT MOJAVE
curlopt_ftp_ssl_ccc
CURLOPT_FTP_SSL_CCC(3) curl_easy_setopt options CURLOPT_FTP_SSL_CCC(3)
NAME
CURLOPT_FTP_SSL_CCC - switch off SSL again with FTP after auth
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_SSL_CCC,
long how);
DESCRIPTION
If enabled, this option makes libcurl use CCC (Clear Command Channel). It shuts down the SSL/TLS layer after authenticating. The rest of
the control channel communication will be unencrypted. This allows NAT routers to follow the FTP transaction. Pass a long using one of the
values below
CURLFTPSSL_CCC_NONE
Don't attempt to use CCC.
CURLFTPSSL_CCC_PASSIVE
Do not initiate the shutdown, but wait for the server to do it. Do not send a reply.
CURLFTPSSL_CCC_ACTIVE
Initiate the shutdown and wait for a reply.
DEFAULT
CURLFTPSSL_CCC_NONE
PROTOCOLS
FTP
EXAMPLE
TODO
AVAILABILITY
Added in 7.16.1
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_USE_SSL(3), CURLOPT_FTPSSLAUTH(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_FTP_SSL_CCC(3)