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/* sysprof-capture-util-private.h
*
* Copyright 2019 Christian Hergert <chergert@redhat.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Subject to the terms and conditions of this license, each copyright holder
* and contributor hereby grants to those receiving rights under this license
* a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
* irrevocable (except for failure to satisfy the conditions of this license)
* patent license to make, have made, use, offer to sell, sell, import, and
* otherwise transfer this software, where such license applies only to those
* patent claims, already acquired or hereafter acquired, licensable by such
* copyright holder or contributor that are necessarily infringed by:
*
* (a) their Contribution(s) (the licensed copyrights of copyright holders
* and non-copyrightable additions of contributors, in source or binary
* form) alone; or
*
* (b) combination of their Contribution(s) with the work of authorship to
* which such Contribution(s) was added by such copyright holder or
* contributor, if, at the time the Contribution is added, such addition
* causes such combination to be necessarily infringed. The patent license
* shall not apply to any other combinations which include the
* Contribution.
*
* Except as expressly stated above, no rights or licenses from any copyright
* holder or contributor is granted under this license, whether expressly, by
* implication, estoppel or otherwise.
*
* DISCLAIMER
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*/
#pragma once
#ifdef __linux__
# include <sys/sendfile.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifndef TEMP_FAILURE_RETRY
#define TEMP_FAILURE_RETRY(expression) \
({ long int __result; \
do { __result = (long int) (expression); } \
while (__result == -1L && errno == EINTR); \
__result; })
#endif
static inline void *
sysprof_malloc0 (size_t size)
{
void *ptr = malloc (size);
if (ptr == NULL)
return NULL;
memset (ptr, 0, size);
return ptr;
}
#ifdef __linux__
# define _sysprof_getpagesize() getpagesize()
# define _sysprof_pread(a,b,c,d) pread(a,b,c,d)
# define _sysprof_pwrite(a,b,c,d) pwrite(a,b,c,d)
# define _sysprof_write(a,b,c) write(a,b,c)
# define _sysprof_getpid() getpid()
# define _sysprof_sendfile(a,b,c,d) sendfile(a,b,c,d)
#else
size_t _sysprof_getpagesize (void);
ssize_t _sysprof_pread (int fd,
void *buf,
size_t count,
off_t offset);
ssize_t _sysprof_pwrite (int fd,
const void *buf,
size_t count,
off_t offset);
ssize_t _sysprof_write (int fd,
const void *buf,
size_t count);
int32_t _sysprof_getpid (void);
ssize_t _sysprof_sendfile (int out_fd,
int in_fd,
off_t *offset,
size_t count);
#endif
#ifdef HAVE_STRLCPY
# define _sysprof_strlcpy(d,s,ds) strlcpy(d,s,ds)
#else
size_t _sysprof_strlcpy (char *dest,
const char *src,
size_t dest_size);
#endif
#ifdef HAVE_REALLOCARRAY
# define _sysprof_reallocarray(p,m,n) reallocarray(p,m,n)
#else
void *_sysprof_reallocarray (void *ptr,
size_t m,
size_t n);
#endif
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