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8b5eb68238
They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
19 lines
822 B
C
19 lines
822 B
C
/* profile.c -- low-level utilities for VM profiling */
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/* Copyright (c) 2011 Alex Shinn. All rights reserved. */
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/* BSD-style license: http://synthcode.com/license.txt */
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#include <chibi/eval.h>
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static sexp sexp_increment_cdr (sexp ctx, sexp self, sexp_sint_t n, sexp pair) {
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sexp_assert_type(ctx, sexp_pairp, SEXP_PAIR, pair);
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sexp_cdr(pair) = sexp_make_fixnum(1 + sexp_unbox_fixnum(sexp_cdr(pair)));
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return SEXP_VOID;
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}
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sexp sexp_init_library (sexp ctx, sexp self, sexp_sint_t n, sexp env, const char* version, sexp_abi_identifier_t abi) {
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if (!(sexp_version_compatible(ctx, version, sexp_version)
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&& sexp_abi_compatible(ctx, abi, SEXP_ABI_IDENTIFIER)))
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return SEXP_ABI_ERROR;
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sexp_define_foreign(ctx, env, "increment-cdr!", 1, sexp_increment_cdr);
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return SEXP_VOID;
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}
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