by: Manlio Perillo |
last post by:
Hi.
If I map a file (for WRITING) of 0 lenght, mmap raises an exception:
WindowsError: The volume correspondent to the file has
been altered from the extern. The opened file is no longer valid...
|
by: Hao Xu |
last post by:
Hi everyone!
I found that if you want to write to the memory got by mmap(), you have
to get the file descriptor for mmap() in O_RDWR mode. If you got the
file descriptor in O_WRONLY mode, then...
|
by: bite me if you can... |
last post by:
The prototype of mmap() is:
void *
mmap(void *addr, size_t len, int prot, int flags, int fd, off_t
offset);
The second argument len is used to tell mmap() how many bytes I want to
map.
My...
|
by: James T. Dennis |
last post by:
I've been thinking about the Python mmap module quite a bit
during the last couple of days. Sadly most of it has just been
thinking ... and reading pages from Google searches ... and
very little...
|
by: koara |
last post by:
Hello all,
i am using the mmap module (python2.4) to access contents of a file.
My question regards the relative performance of mmap.seek() vs
mmap.tell(). I have a generator that returns...
|
by: Neal Becker |
last post by:
On linux, I don't understand why:
f = open ('/dev/eos', 'rw')
m = mmap.mmap(f.fileno(), 1000000, prot=mmap.PROT_READ|mmap.PROT_WRITE,
flags=mmap.MAP_SHARED)
gives 'permission denied', but...
|
by: Kris Kennaway |
last post by:
If I do the following:
def mmap_search(f, string):
fh = file(f)
mm = mmap.mmap(fh.fileno(), 0, mmap.MAP_SHARED, mmap.PROT_READ)
return mm.find(string)
def mmap_is_in(f, string):
fh =...
|
by: Gabriel Genellina |
last post by:
En Thu, 29 May 2008 19:17:05 -0300, Kris Kennaway <kris@FreeBSD.org>
escribió:
Looks like you should define the sq_contains member in mmap_as_sequence,
and the type should have the...
|
by: castironpi |
last post by:
Hi all,
I have a mmap and a data structure in it. I know the structure's
location in the mmap and what structure it is. It has a ctypes
definition.
I want to initialize a ctypes object to...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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