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33 lines
947 B
Groff
33 lines
947 B
Groff
.TH socket_listen 3
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.SH NAME
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socket_listen \- attempt to make a TCP connection
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.SH SYNTAX
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.B #include <libowfat/socket.h>
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int \fBsocket_listen\fP(int \fIs\fR,int \fIn\fR);
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.SH DESCRIPTION
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socket_listen prepares TCP socket \fIs\fR to accept TCP connections. It
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allows a backlog of approximately \fIn\fR TCP SYNs. (On systems
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supporting SYN cookies, the backlog is irrelevant.) Normally
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socket_listen returns 0.
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If anything goes wrong, socket_listen returns -1, setting errno
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appropriately.
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.SH EXAMPLE
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#include <libowfat/socket.h>
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int \fIs\fR;
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char \fIip\fR[16];
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uint16 \fIp\fR;
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if ((\fIs\fR=socket_tcp6())==-1)
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strerr_die2sys(111,FATAL,"unable to create TCP socket: ");
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if (socket_bind6_reuse(\fIs\fR,(char *)V6any,8002,0) == -1)
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strerr_die2sys(111,FATAL,"unable to bind: ");
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if (socket_listen(\fIs\fR,1) == -1)
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strerr_die2sys(111,FATAL,"unable to listen: ");
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.SH "SEE ALSO"
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socket_connect4(3), socket_connect6(3)
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