Recent questions tagged signals

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signals - How can I override the keyboard interrupt? (Python)

Is there anyway I can make my script execute one of my functions when Ctrl+c is hit when the script is running? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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signals - Explicitly invoke SIG_DFL/SIG_IGN handlers on Linux

I've blocked, and then waited for a signal via the following code: sigset_t set; sigfillset(&set); // all ... that SIG_IGN is defined as 1. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

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signals - what's the order of post_save receiver in django?

You can bind multiple post_save(pre_save, etc) receivers to a class. Is there a way to specify the ordering of receipt of signals? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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signals - What does g_signal_connect_swapped() do?

According to GObject reference g_signal_connect_swapped(instance, detailed_signal, c_handler, data); connects a GCallback ... behind this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

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signals - bash: Why can't I set a trap for SIGINT in a background shell?

Here's a simple program that registers two trap handlers and then displays them with trap -p. Then it does ... "Child received TERM"' SIGTERM See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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signals - bash: Why can't I set a trap for SIGINT in a background shell?

Here's a simple program that registers two trap handlers and then displays them with trap -p. Then it does ... "Child received TERM"' SIGTERM See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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signals - Making sure a Python script with subprocesses dies on SIGINT

I've got a command that I'm wrapping in script and spawning from a Python script using subprocess.Popen. I' ... dies and the script continues. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

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signals - do actions on end of execution

I have an http server (launched using http.Handle) and I would like to do some operations. How can I do that ... so the answer may be trivial. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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845 views

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signals - How to send SIGINT to a remote process over SSH?

I have a program running on a remote machine which expects to receive SIGINT from the parent. That program ... ssh client is OpenSSH_5.2p1. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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signals - Is Python variable assignment atomic?

Let's say I am using a signal handler for handling an interval timer. def _aHandler(signum, _): global ... impulses from time to time) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

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signals - GDB: Ctrl+C doesn't interrupt process as it usually does but rather terminates the program

Normally when you run a program through GDB you can press Ctrl+C to interrupt it, e.g. if it gets stuck in an ... GDB as a Ctrl+C normally does? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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936 views

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signals - Python: Catch Ctrl-C command. Prompt "really want to quit (y/n)", resume execution if no

I have a program that may have a lengthy execution. In the main module I have the following: import signal def ... . Is there a simpler way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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