40 lines
1,005 B
C
40 lines
1,005 B
C
/**
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2026 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*
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* Added: 2026-03-26
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*/
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case OP_FD_SET_NONBLOCK: {
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/* Pops on:int (0/1), fd:int; pushes 1 on success, 0 on error/unsupported */
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Value onv = pop_value(vm);
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Value fdv = pop_value(vm);
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int ok = 0;
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#ifdef __unix__
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if (fdv.type != VAL_INT || onv.type != VAL_INT) {
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fprintf(stderr, "Runtime type error: fd_set_nonblock expects (int fd, int on)\n");
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ok = 0;
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} else {
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int fd = (int)fdv.i;
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int on = (int)onv.i;
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int flags = fcntl(fd, F_GETFL, 0);
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if (flags >= 0) {
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if (on)
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flags |= O_NONBLOCK;
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else
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flags &= ~O_NONBLOCK;
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if (fcntl(fd, F_SETFL, flags) == 0) ok = 1;
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}
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}
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#else
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(void)onv; (void)fdv;
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#endif
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free_value(onv);
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free_value(fdv);
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push_value(vm, make_int(ok ? 1 : 0));
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break;
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}
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