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MODBUS_TCP_ACCEPT(3) libmodbus Manual MODBUS_TCP_ACCEPT(3) NAME modbus_tcp_accept - accept a new connection on a TCP Modbus socket (IPv4) SYNOPSIS int modbus_tcp_accept(modbus_t *ctx, int *'s); DESCRIPTION The modbus_tcp_accept() function shall extract the first connection on the queue of pending connections, create a new socket and store it in libmodbus context given in argument. If available, accept4() with SOCK_CLOEXEC will be called instead of accept(). RETURN VALUE The function shall return a new socket if successful. Otherwise it shall return -1 and set errno. EXAMPLE For detailed example, see unit-test-server.c source file in tests directory. ... ctx = modbus_new_tcp("127.0.0.1", 502); s = modbus_tcp_listen(ctx, 1); modbus_tcp_accept(ctx, &s); ... close(s) modbus_free(ctx); SEE ALSO modbus_tcp_pi_accept(3) modbus_tcp_listen(3) modbus_tcp_pi_listen(3) AUTHORS The libmodbus documentation was written by Stphane Raimbault <stephane.raimbault@gmail.com> libmodbus v3.1.7 04/12/2025 MODBUS_TCP_ACCEPT(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | AUTHORS
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