ACCF_DATA (9) | Kernel routines | Unix Manual Pages



ACCF_DATA (9) \| Kernel routines \| Unix Manual Pages \| :man▋ NAME accf_data - buffer incoming connections until data arrives CONTENTS Synopsis Description Examples See Also History Authors SYNOPSIS options INET options ACCEPT_FILTER_DATA kldload accf_data DESCRIPTION This is a filter to be placed on a socket that will be using `accept` to receive incoming connections. It prevents the application from receiving the connected descriptor via `accept` until data arrives on the connection. The ACCEPT_FILTER_DATA kernel option is also a module that can be enabled at runtime via kldload(8) if the INET option has been compiled into the kernel. EXAMPLES Assuming ACCEPT_FILTER_DATA has been included in the kernel config file or the accf_data module has been loaded, this will enable the data accept filter on the socket sok. struct accept_filter_arg afa; bzero(&afa, sizeof(afa)); strcpy(afa.af_name, "dataready"); setsockopt(sok, SOL_SOCKET, SO_ACCEPTFILTER, &afa, sizeof(afa)); SEE ALSO setsockopt(2), accept_filter(9), accf_http(9) HISTORY AUTHORS

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