synchronization Questions
2
Solved
Is it safe to access the same array from multiple goroutines, when every goroutine works on a slice, pointing to the same underlying array but without overlapping ?
Like:
var arr [100]int
sliceA ...
Palaver asked 19/3, 2014 at 20:40
1
Solved
I need some help here.
I am trying to create an example that shows volatile is needed to protect against instruction re-ordering.
In this example I am trying to show that b > a only if reordering ...
Simpkins asked 4/10, 2018 at 13:1
3
Solved
I'm trying to achieve my Observables to execute only when previous Observable has completed. I can't use flatMap, because subscriptions can be called from different places, and this Observables is ...
Lucarne asked 28/9, 2018 at 10:29
2
I am trying to sync the following repo
repo init -u git://github.com/SlimRoms/platform_manifest.git -b jb
The problem is i have started the repo sync around 30 hours ago & its still not co...
Fruition asked 23/9, 2012 at 20:7
1
Solved
Is the following code guaranteed to return the expected value of counter (40,000,000), according to the C++11 memory model? (NOT limited to x86).
#include <atomic>
#include <thread>
us...
Course asked 14/9, 2018 at 17:33
1
Is there any way to share a mutex between a UWP app and a desktop bridge app in the same package? They seem to have different namespaces; using the same name doesn't yield the same object between t...
Telophase asked 12/9, 2017 at 22:43
4
Solved
How to make functions in PHP synchronized so that same function won't be executed concurrently ? 2nd user must wait till 1st user is done with the function. Then 2nd user can execute the function.
...
Bolter asked 19/9, 2012 at 11:3
1
Solved
I am a newbie to operating systems and every answer I've found on Stackoverflow is so complicated that I am unable to understand. Can someone provide an explanation for what is an
atomic operat...
Imprimatur asked 6/9, 2018 at 4:46
6
Solved
What is the difference between synchronizing a static method and a non static method in java?Can anybody please explain with an example. Also is there any difference in synchronizing a method and s...
Sinistrorse asked 16/6, 2011 at 6:22
2
Python's semaphore doesn't support negative initial values. How, then, do I make a thread wait until 8 other threads have done something? If Semophore supported negative initial values, I could hav...
Deme asked 25/6, 2016 at 4:16
1
Solved
Executing the following is an atomic RMW operation
auto value = atomic.fetch_or(value, order);
When order is std::memory_order_acq_rel we know that the load of the previous value in the atomic ...
Succentor asked 23/8, 2018 at 4:57
4
Solved
I have a very simple operation that needs to be done atomically:
if (a > b)
b = a
where a and b are ints
EDIT: and a is local.
Is there a fast way to do this in C#? I'd like to avoid lock...
Globigerina asked 17/8, 2011 at 22:13
6
Solved
I am running an event loop of the following form:
var i;
var j = 10;
for (i = 0; i < j; i++) {
asynchronousProcess(callbackFunction() {
alert(i);
});
}
I am trying to display a seri...
Doublefaced asked 14/7, 2012 at 22:56
2
In Java, we can do something like this:
synchronized(a) {
while(condition == false) {
a.wait(time);
}
//critical section ...
//do something
}
The above is a conditional synchronized block, ...
Edelsten asked 11/8, 2018 at 9:38
2
Solved
Official notes say, that
Writing to a volatile field has the same memory effect as a monitor release, and reading from a volatile field has the same memory effect as a monitor acquire.
and
...
Candracandy asked 5/8, 2018 at 10:26
2
Solved
I'd like a Web Worker which is deep in a call stack to be able to make a synchronous request to get information from the GUI.
The GUI itself is not blocked--it's able to process messages. But the ...
Dominy asked 15/7, 2018 at 20:26
7
Solved
I was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
One absolutely ...
Instead asked 14/2, 2011 at 6:33
2
Solved
I want to detect a rising edge of a signal from a flip-flop AA to BB
+----+
A ----------------| |----- OUT
+----+ | BB |
B ----| |------|> |
| AA | +----+
clk ----|> |
+----+
Verilog...
Macaluso asked 7/12, 2011 at 10:15
2
Solved
Where does iCloud source the app name that it displays in the iCloud preferences?
iOS: Settings.app > iCloud > Storage & Backup > Manage Store > Documents & Data
OSX: System ...
Macronucleus asked 15/3, 2012 at 6:52
2
Solved
I have a trigger function:
CREATE OR REPLACE FUNCTION "trigger_deleteUsers"()
RETURNS trigger AS
$BODY$
BEGIN
INSERT INTO "DeletedEntities" ("uuidKey", "dateCreated", "dateModified", "dateSynced"...
Accession asked 5/8, 2013 at 2:29
2
I'm at importing old project done on Eclipse.
and got updates using Helps--> Check for Updates
then, press "Sync Project with Gradle Files" button.
so, in 2 seconds, this message appeared at Build:...
Masbate asked 28/4, 2018 at 6:31
2
I am facing the following problem and am out of ideas:
My company does not allow direct internet access for our developers. Therefore we are in dire need of our own git repository. So far so norma...
Depend asked 29/6, 2018 at 12:35
1
Solved
I have an Android Service running daily which does some data synchronization. Once a day it downloads a file and caches it to disk via context.openFileOutput:
String fileName = Uri.parse(url).getL...
Frazzle asked 18/6, 2018 at 16:22
2
Solved
I'm getting an error 403:
An error occurred. Detailed message: Response status code does not indicate success: 403 (Forbidden).
when trying to push or sync Unsynced Commits using visual studio...
Philippine asked 9/2, 2015 at 22:1
3
Solved
I'm looking for a software which will allow me to synchronize files in specyfic folders between my linux boxes. I have searched a lot of topics and what I've found is Unison. It looks prety good bu...
Peake asked 2/7, 2012 at 21:15
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