73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
|
/* state.c -- Create the backtrace state.
|
||
|
|
Copyright (C) 2012-2021 Free Software Foundation, Inc.
|
||
|
|
Written by Ian Lance Taylor, Google.
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
(3) The name of the author may not be used to
|
||
|
|
endorse or promote products derived from this software without
|
||
|
|
specific prior written permission.
|
||
|
|
|
||
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include "backtrace.h"
|
||
|
|
#include "backtrace-supported.h"
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
/* Create the backtrace state. This will then be passed to all the
|
||
|
|
other routines. */
|
||
|
|
|
||
|
|
struct backtrace_state *
|
||
|
|
backtrace_create_state (const char *filename, int threaded,
|
||
|
|
backtrace_error_callback error_callback,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
struct backtrace_state init_state;
|
||
|
|
struct backtrace_state *state;
|
||
|
|
|
||
|
|
#ifndef HAVE_SYNC_FUNCTIONS
|
||
|
|
if (threaded)
|
||
|
|
{
|
||
|
|
error_callback (data, "backtrace library does not support threads", 0);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
memset (&init_state, 0, sizeof init_state);
|
||
|
|
init_state.filename = filename;
|
||
|
|
init_state.threaded = threaded;
|
||
|
|
|
||
|
|
state = ((struct backtrace_state *)
|
||
|
|
backtrace_alloc (&init_state, sizeof *state, error_callback, data));
|
||
|
|
if (state == NULL)
|
||
|
|
return NULL;
|
||
|
|
*state = init_state;
|
||
|
|
|
||
|
|
return state;
|
||
|
|
}
|