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wasix: enable SO_REUSEPORT in uv__sock_reuseport #9

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wasix: enable SO_REUSEPORT in uv__sock_reuseport #9

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6 changes: 6 additions & 0 deletions src/unix/core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2102,6 +2102,7 @@ int uv__sock_reuseport(int fd) {
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT_LB, &on, sizeof(on)))
return UV__ERR(errno);
#elif (defined(__linux__) || \
defined(__wasi__) || \
defined(_AIX73) || \
(defined(__DragonFly__) && __DragonFly_version >= 300600) || \
(defined(UV__SOLARIS_11_4) && UV__SOLARIS_11_4)) && \
Expand All @@ -2111,6 +2112,11 @@ int uv__sock_reuseport(int fd) {
* accept() on the same port. As with TCP, SO_REUSEPORT distributes datagrams
* evenly across all of the receiving threads (or process).
*
* On WASIX, setsockopt(SO_REUSEPORT) reaches the runtime via
* sock_set_opt_flag and wasmer applies it to the underlying host socket
* before bind, so the load-balancing semantics are the host kernel's
* (Linux in practice).
*
* DragonFlyBSD 3.6.0 extended SO_REUSEPORT to distribute workload to
* available sockets, which made it the equivalent of Linux's SO_REUSEPORT.
*
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