28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#include <mlvalues.h>
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#include "unixsupport.h"
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value unix_read(fd, buf, ofs, len) /* ML */
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value fd, buf, ofs, len;
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{
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int ret;
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buf = unix_freeze_buffer(buf);
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enter_blocking_section();
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ret = read(Int_val(fd), &Byte(buf, Long_val(ofs)), Int_val(len));
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leave_blocking_section();
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if (ret == -1) uerror("read", Nothing);
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return Val_int(ret);
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}
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