Trap | Swift Signal Handler | iOS library

by alexito4 Swift Version: 1.0.0 License: MIT

X-Ray Key Features Code Snippets(1)Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | Trap Summary

Trap is a Swift library typically used in Mobile, iOS applications. Trap has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Trap is a small Swift framework to handle operating system signals.

Support

Quality

Security

License

Reuse

Support

Trap has a low active ecosystem.

It has 12 star(s) with 0 fork(s). There are 2 watchers for this library.

It had no major release in the last 12 months.

There are 0 open issues and 1 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of Trap is 1.0.0

Quality

Trap has no bugs reported.

Security

Trap has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

Trap is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

Trap releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

Top functions reviewed by kandi - BETA

kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Trap

Get all kandi verified functions for this library.

Trap Key Features

No Key Features are available at this moment for Trap.

Trap Examples and Code Snippets

Trap,Usage

Swift

Lines of Code : 14

License : Permissive (MIT)

Copy

import Trap

let task = NSTask...

Trap.handle(.interrupt) {
    task.terminate()
    exit(EXIT_FAILURE)
}

task.launch()

Trap.handle(Trap.Signal.all) {
    print("Signal: \($0)")
    ...
}

Community Discussions

Trending Discussions on Trap

Safe coding practices in c : switching from dynamic to static memory allocation

How can I use the Retrofit response outside the OnResponse function so I can return it up the recommended architecture model?

Access to main Vue instance in App.vue script

Getting "Abort trap 6" using memset()

What is wrong with let count=0?

LNK2019 símbolo externo public: bool __thiscall … sin resolver

Add new counter (trap_id) field which increments by 1

JSON Array string getting split at space for every value using jq

Jump to the next function by pressing Ctrl-C

A fatal error has been detected by the Java Runtime Environment when ignite native persistence is on

QUESTION

Safe coding practices in c : switching from dynamic to static memory allocation

Asked 2021-Jun-12 at 21:18

I'm working on embedded systems and my goal is to improve the safety of an existing code. I'm trying to follow Nasa's rules : https://en.wikipedia.org/wiki/The_Power_of_10:_Rules_for_Developing_Safety-Critical_Code

The existing code contains dynamically allocated instances and variables which is pretty common, I'm required to translate the program to static memory alocation.

Is there generic practices and patterns to succesfully switch from dynamic to static memory allocation without breaking the code ?

In particular, I'm having issues with those kinds of mallocs :

...

ANSWER

Answered 2021-May-10 at 10:09

Is there generic practices and patterns to succesfully switch from dynamic to static memory allocation without breaking the code ?

No, not really. You'll have to rewrite all such code in pretty radical ways.

You have to realize why all safety-related and embedded systems ban malloc. The main reason is that it is non-deterministic. Instead of allowing completely variable sizes, you have to specify a maximum size for each such item, to cover the worst case scenario of the application.

Also, the presence of things like pointer-to-pointers instead of 2D arrays is a pretty certain indication that the original programmer didn't quite know what they were doing in the first place.

Additionally you need to drop the default types of C for stdint.h ones. That's standard practice in all embedded systems.

In general, I'd strongly advise to drop those "NASA rules" and implement MISRA-C instead. It's a way more professional and in-depth document. Some of the "NASA rules" simply don't make sense and the rest can be summarized as "No s***t Sherlock" beginner-level stuff which we were already told during our first beginner-level C programming class back in school. If these rules come as a surprise to someone, they shouldn't be writing mission-critical firmware in the first place.

Source https://stackoverflow.com/questions/67468305

QUESTION

How can I use the Retrofit response outside the OnResponse function so I can return it up the recommended architecture model?

Asked 2021-Jun-09 at 16:45

This question follows on from How can I use the Retrofit response outside the OnResponse function?, but I'm not allowed to comment, so I'm asking it for myself here.

I'm trying to use the Android Studio Login template because it follows the recommended architecture, but I'm having trouble returning the Result in LoginDataSource.login. The result is trapped in the Call.enqueue function and I can't get it out to return. I've reproduced the callback suggested in the above link, but that just traps the result in a new class.

How can I access the LoggedInUser returned by my server to return to my repository?

Original attempt: user is stuck in Call.enqueue - onResponse

...

ANSWER

Answered 2021-Jun-09 at 16:45

I switched to Kotlin along the way, so this may not be correct Java, but it shows the process

Set the user model as LiveData
update the user model using .postValue()
set up an observer for the user model in the viewmodel (not shown)

Source https://stackoverflow.com/questions/67624185

QUESTION

Access to main Vue instance in App.vue script

Asked 2021-Jun-07 at 13:16

In Vue2, I'm trying to set up an axios interceptor in my App.vue file to trap any responses that come back 401 from my API so I can redirect the user to the Vue route /sign-in. My code works, but I rely on storing the Vue instance created in main.js in window.appvue.

In main.js:

...

ANSWER

Answered 2021-Jun-06 at 17:01

inside your main.js try something like this

Source https://stackoverflow.com/questions/67855545

QUESTION

Getting "Abort trap 6" using memset()

Asked 2021-Jun-06 at 20:25

I am relatively new to C, so please bear with me if this is an obvious question. I've looked all over SO for an answer, and have not been able to figure this out.

I am writing a simple calculator -- it will take a calculation from the user ("1 + 3", for example, and return the result. To keep things simple, I am setting a length for the input buffer and forcing the user to stay within those bounds. If they input too many characters, I want to alert them they have gone over the limit, and reset the buffer so that they can re-input.

This functionality works fine when they stay under the limit. It also correctly gives them a message when they go over the limit. However, when they try to input a valid calculation after having put in an invalid one, I get abort trap: 6. I know this has something to do with how I am resetting the array and managing the memory of that buffer, but my C skills are not quite sharp enough to diagnose the problem on my own.

If anybody could please take a look, I'd really appreciate it! I've pasted my code below.

...

ANSWER

Answered 2021-Jun-06 at 20:25

You don't prevent the buffer overflow, because you are checking for it too late. You should check whether the user is about to exceed the buffer's size, before the user hits enter.

The code below improves a bit the way a buffer overflow is checked:

Source https://stackoverflow.com/questions/67862051

QUESTION

What is wrong with let count=0?

Asked 2021-Jun-06 at 15:53

This appears to me to be valid code:

...

ANSWER

Answered 2021-Jun-01 at 21:13

From the manual:

Source https://stackoverflow.com/questions/67795746

QUESTION

LNK2019 símbolo externo public: bool __thiscall … sin resolver

Asked 2021-Jun-06 at 05:00

I am trying to compile a tool for my project. I have solved all the problems so far, but i can't find the solution for this problem.

If anyone could give me help, i would appreciate it, Thank you.

NtlScriptEncrypter.cpp

...

ANSWER

Answered 2021-Jun-06 at 05:00

The solution was: add the project that contains NtlXMLDoc.cpp to my references in explorer of my project, because, they are in the same solution, but are a different project, and idk why through properties didn't worked

Source https://stackoverflow.com/questions/67846222

QUESTION

Add new counter (trap_id) field which increments by 1

Asked 2021-Jun-02 at 19:09

Code:

...

ANSWER

Answered 2021-Jun-02 at 19:09

You cannot increment a field using that syntax. You might be able to use the math filter (although you would need to install it, and it has not been updated for three years), or you could do it in ruby.

Source https://stackoverflow.com/questions/67809918

QUESTION

JSON Array string getting split at space for every value using jq

Asked 2021-Jun-02 at 12:28

i am trying to read commands from the json file using jq. Although i am able to read content as per requirement but only issue currently facing is that after getting values from json array each string value is automatically getting split a space which is dividing content of string into n no of values instead of one.

JSON FILE

...

ANSWER

Answered 2021-Jun-02 at 12:28

Replace these lines:

Source https://stackoverflow.com/questions/67803428

QUESTION

Jump to the next function by pressing Ctrl-C

Asked 2021-Jun-01 at 14:17

Assume that there are some functions which they do different jobs. I want to be able to press Ctrl-C to jump to the next function instead of canceling all the script at once.

I tried trap ctrl_c INT but it didn't work. FYI, I use curl in some of the functions.

How can I do it?

...

ANSWER

Answered 2021-Jun-01 at 14:17

Hooking Ctrl+C to return 0 seems to work fine. Like:

Source https://stackoverflow.com/questions/67786612

QUESTION

A fatal error has been detected by the Java Runtime Environment when ignite native persistence is on

Asked 2021-Jun-01 at 11:11

I try to put Apache Arrow vector in Ignite, this is working fine when I turn off native persistence, but after I turn on native persistence, JVM is crashed every time. I create IntVector first then put it in Ignite:

...

ANSWER

Answered 2021-Jun-01 at 11:11

Apache Arrow utilizes a pretty similar idea of Java off-heap storage as Apache Ignite does. For Apache Arrow it means that objects like IntVector don't actually store data in their on-heap layout. They just store a reference to a buffer containing an off-heap address of a physical representation. Technically it's a long offset pointing to a chunk of memory within JVM address space.

When you restart your JVM, address space changes. But in your Apache Ignite native persistence there's a record holding an old pointer. It leads to a SIGSEGV because it's not in the JVM address anymore (in fact it doesn't even exist after a restart).

You could use Apache Arrow serialization machinery to store data permanently in Apache Ignite or even somewhere else. But in fact after that you're going to lose Apache Arrow preciousness as a fast in-memory columnar store. It was initially designed to share off-heap data across multiple data-processing solutions.

Therefore I believe that technically it could be possible to leverage Apache Ignite binary storage format. In that case a custom BinarySerializer should be implemented. After that it would be possible to use it with the Apache Arrow vector classes.

Source https://stackoverflow.com/questions/67734205

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install Trap

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

Find more information at: