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Improve doc for Socket::ResolutionError (#12434)

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Also, a topic about Socket::ResolutionError is added to NEWS
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Misaki Shioi 2024-12-23 15:05:00 +09:00 committed by GitHub
parent f2d1c3d3ce
commit 34e6bb48af
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Notes: git 2024-12-23 06:05:18 +00:00 
Merged-By: shioimm <shioi.mm@gmail.com>
2 changed files with 17 additions and 2 deletions
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5
NEWS.md
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@ -173,6 +173,11 @@ We only list stdlib changes that are notable feature changes.
* This library is now extracted from the Ruby repository to [ruby/net-http-sspi]. * This library is now extracted from the Ruby repository to [ruby/net-http-sspi].
[[Feature #20775]] [[Feature #20775]]
* Socket
* Socket::ResolutionError and Socket::ResolutionError#error_code was added.
[[Feature #20018]]
Other changes are listed in the following sections. we also listed release history from the previous bundled version that is Ruby 3.3.0 if it has GitHub releases. Other changes are listed in the following sections. we also listed release history from the previous bundled version that is Ruby 3.3.0 if it has GitHub releases.
The following default gem is added. The following default gem is added.

14
ext/socket/init.c
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@ -786,7 +786,17 @@ rsock_getfamily(rb_io_t *fptr)
* call-seq: * call-seq:
* error_code -> integer * error_code -> integer
* *
* Returns the raw error code occurred at name resolution. * Returns the raw error code indicating the cause of the hostname resolution failure.
*
* begin
* Addrinfo.getaddrinfo("ruby-lang.org", nil)
* rescue Socket::ResolutionError => e
* if e.error_code == Socket::EAI_AGAIN
* puts "Temporary failure in name resolution."
* end
* end
*
* Note that error codes depend on the operating system.
*/ */
static VALUE static VALUE
sock_resolv_error_code(VALUE self) sock_resolv_error_code(VALUE self)
@ -802,7 +812,7 @@ rsock_init_socket_init(void)
*/ */
rb_eSocket = rb_define_class("SocketError", rb_eStandardError); rb_eSocket = rb_define_class("SocketError", rb_eStandardError);
/* /*
* ResolutionError is the error class for socket name resolution. * Socket::ResolutionError is the error class for hostname resolution.
*/ */
rb_eResolution = rb_define_class_under(rb_cSocket, "ResolutionError", rb_eSocket); rb_eResolution = rb_define_class_under(rb_cSocket, "ResolutionError", rb_eSocket);
rb_define_method(rb_eResolution, "error_code", sock_resolv_error_code, 0); rb_define_method(rb_eResolution, "error_code", sock_resolv_error_code, 0);