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/*
* hl_unlink.c -- provide _unlink().
*
* Copyright (c) 2024 Synopsys Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*
*/
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#include "hl_toolchain.h"
#include "hl_api.h"
/* Unlink host file. Implements HL_SYSCALL_UNLINK. */
static __always_inline int
_hl_unlink (const char *path)
{
int32_t ret;
uint32_t host_errno;
volatile __uncached char *p;
p = _hl_message (HL_SYSCALL_UNLINK, "s:ii",
path, /* s */
(uint32_t *) &ret, /* :i */
(uint32_t *) &host_errno /* :i */);
if (p == NULL)
{
errno = ETIMEDOUT;
ret = -1;
}
else if (ret < 0)
{
errno = host_errno;
ret = -1;
}
_hl_delete ();
return ret;
}
int
_unlink (const char *path)
{
return _hl_unlink (path);
}
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