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Re: SIGINT vs. SIGTERM?
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From: Paul Gilmartin via curl-users <curl-users_at_lists.haxx.se>
Date: Sun, 25 Aug 2024 17:21:43 -0600
Don't consider this a problem report; I've worked around it.
On 8/25/24 15:20, Daniel Stenberg wrote:
> On Sun, 25 Aug 2024, Paul Gilmartin via curl-users wrote:
>
>> Running curl from a script I attempt to terminate a long download.
>> kill -INT curl has no effect
>> kill -TERM curl terminates curl.
>>
>> Does curl trap SIGINT for some special behavior, leaving the default SIGTERM?
>
> SIGINT is the signal that hitting ctrl-c in a terminal sends to the application like when aborting a slow transfer. I use that frequently with curl and I have never seen or experienced a problem with that. So no, curl does not ignore SIGINT.
> .
800 $ uname -msv
Darwin Darwin Kernel Version 23.6.0: Mon Jul 29 21:13:00 PDT 2024; root:xnu-10063.141.2~1/RELEASE_X86_64 x86_64
801 $ curl --version
curl 8.9.1 (x86_64-apple-darwin23.4.0) libcurl/8.9.1 OpenSSL/3.3.1 (SecureTransport) zlib/1.2.12 brotli/1.1.0 zstd/1.5.6 libidn2/2.3.7 libssh2/1.11.0 nghttp2/1.61.0 librtmp/2.3
Release-Date: 2024-07-31
curl from the command line works as you describe.
I have curl buried in scripts with complicated options.
In my top script trapped a signal and killed the curl
process. SIGTERM worked; SIGINT didn't.
Hard to reproduce.
Date: Sun, 25 Aug 2024 17:21:43 -0600
Don't consider this a problem report; I've worked around it.
On 8/25/24 15:20, Daniel Stenberg wrote:
> On Sun, 25 Aug 2024, Paul Gilmartin via curl-users wrote:
>
>> Running curl from a script I attempt to terminate a long download.
>> kill -INT curl has no effect
>> kill -TERM curl terminates curl.
>>
>> Does curl trap SIGINT for some special behavior, leaving the default SIGTERM?
>
> SIGINT is the signal that hitting ctrl-c in a terminal sends to the application like when aborting a slow transfer. I use that frequently with curl and I have never seen or experienced a problem with that. So no, curl does not ignore SIGINT.
> .
800 $ uname -msv
Darwin Darwin Kernel Version 23.6.0: Mon Jul 29 21:13:00 PDT 2024; root:xnu-10063.141.2~1/RELEASE_X86_64 x86_64
801 $ curl --version
curl 8.9.1 (x86_64-apple-darwin23.4.0) libcurl/8.9.1 OpenSSL/3.3.1 (SecureTransport) zlib/1.2.12 brotli/1.1.0 zstd/1.5.6 libidn2/2.3.7 libssh2/1.11.0 nghttp2/1.61.0 librtmp/2.3
Release-Date: 2024-07-31
curl from the command line works as you describe.
I have curl buried in scripts with complicated options.
In my top script trapped a signal and killed the curl
process. SIGTERM worked; SIGINT didn't.
Hard to reproduce.
-- Thanks, gil -- Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-users Etiquette: https://curl.se/mail/etiquette.htmlReceived on 2024-08-26