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curl_multi_assign.md: clarify lifetime

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Closes #22088
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Daniel Stenberg 2026-06-18 17:34:02 +02:00
parent 39628c5084
commit 595d052923
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10
docs/libcurl/curl_multi_assign.md
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@ -7,6 +7,7 @@ Source: libcurl
See-also:
- curl_multi_setopt (3)
- curl_multi_socket_action (3)
- CURLMOPT_SOCKETFUNCTION (3)
Protocol:
- All
Added-in: 7.15.5
@ -31,11 +32,12 @@ This function creates an association in the multi handle between the given
socket and a private pointer of the application. This is designed for
curl_multi_socket_action(3) uses.
When set, the *sockptr* pointer is passed to all future socket callbacks
for the specific *sockfd* socket.
When set, the *sockptr* pointer is passed to all future socket callbacks for
the specific *sockfd* socket, until the socket stops being monitored
(CURL_POLL_REMOVE is sent to the CURLMOPT_SOCKETFUNCTION(3) callback).
If the given *sockfd* is not already in use by libcurl, this function
returns an error.
If the given *sockfd* is not already in use by libcurl, this function returns
an error.
libcurl only keeps one single pointer associated with a socket, so calling
this function several times for the same socket makes the last set pointer get