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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...
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by: Fabiano Sidler |
last post by:
Hi folks!
I created an mmap object like so:
--- snip ---
from mmap import mmap,MAP_ANONYMOUS,MAP_PRIVATE
fl = file('/dev/zero','rw')
mm = mmap(fl.fileno(), 1, MAP_PRIVATE|MAP_ANONYMOUS)
---...
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by: beejisbrigit |
last post by:
Hi there,
I was wondering if anyone had experience with File I/O in Java vs. C++
using mmap(),
and knew if the performance was better in one that the other, or more
or less negligible.
My...
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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...
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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...
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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...
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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 =...
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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...
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by: magnus.lycka |
last post by:
Does anyone recognize this little Python crasher?
I'll file a bug report unless someone notices it as an already
documented bug. I found some open mmap bugs, but it wasn't
obvious to me that...
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by: Akira Kitada |
last post by:
Hi Marc-Andre,
Thanks for the suggestion.
I opened a ticket for this issue: http://bugs.python.org/issue4204
Now I understand the state of the multiprocessing module,
but it's too bad to see...
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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,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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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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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated ...
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