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Fix GH-13025: sapi/cli Windows using SO_EXCLUSIVEADDRUSE flag. #13028

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Fix GH-13025: sapi/cli Windows using SO_EXCLUSIVEADDRUSE flag. #13028

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10 changes: 10 additions & 0 deletions sapi/cli/php_cli_server.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1280,6 +1280,16 @@ static php_socket_t php_network_listen_socket(const char *host, int *port, int s
setsockopt(retval, SOL_SOCKET, SO_REUSEADDR, (char*)&val, sizeof(val));
}
#endif
#ifdef SO_EXCLUSIVEADDRUSE
{
/**
* By default, windows allows multiple sockets to bind the same ip with the same port.
* SO_EXCLUSIVEADDRUSE prevents this while still allowing binding other different ip/port combinations.
**/
int val = 1;
setsockopt(retval, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, (char*)&val, sizeof(val));
}
#endif

if (bind(retval, sa, *socklen) == SOCK_CONN_ERR) {
err = php_socket_errno();
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