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fun/src/vm/os/socket_tcp_accept.c
2025-10-04 02:52:30 +02:00

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C

/**
* This file is part of the Fun programming language.
* https://hanez.org/project/fun/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2025-10-04
*/
#ifdef __unix__
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#endif
case OP_SOCK_TCP_ACCEPT: {
/* Pops listen fd; pushes client fd (>0) or 0 */
Value fdv = pop_value(vm);
int client = 0;
#ifdef __unix__
if (fdv.type != VAL_INT) {
fprintf(stderr, "Runtime type error: tcp_accept expects (int listen_fd)\n");
free_value(fdv);
push_value(vm, make_int(0));
break;
}
int s = (int)fdv.i;
int c = accept(s, NULL, NULL);
if (c >= 0) client = c;
#endif
free_value(fdv);
push_value(vm, make_int(client > 0 ? client : 0));
break;
}