A C library for asynchronous DNS requests (grpc依赖)
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.TH ARES_SET_SOCKET_CALLBACK 3 "20 Nov 2009"
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.SH NAME
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ares_set_socket_callback \- Set a socket creation callback
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.SH SYNOPSIS
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.nf
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.B #include <ares.h>
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.PP
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.B void ares_set_socket_callback(ares_channel \fIchannel\fP,
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ares_sock_create_callback \fIcallback\fP,
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void *\fIuserdata\fP)
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.PP
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.B cc file.c -lcares
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.fi
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.SH DESCRIPTION
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.PP
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This function sets a \fIcallback\fP in the given ares channel handle. This
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callback function will be invoked after the socket has been created, and
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connected to the remote server. The callback must return ARES_SUCCESS if
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things are fine, or use the standard ares error codes to signal errors
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back. Returned errors will abort the ares operation.
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.SH SEE ALSO
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.BR ares_init_options (3)
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.SH AVAILABILITY
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ares_set_socket_callback(3) was added in c-ares 1.6.0
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.SH AUTHOR
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Gregor Jasny
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