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72 lines
2.4 KiB
72 lines
2.4 KiB
/* state.c -- Create the backtrace state. |
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Copyright (C) 2012-2018 Free Software Foundation, Inc. |
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Written by Ian Lance Taylor, Google. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are |
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met: |
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(1) Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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(2) Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in |
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the documentation and/or other materials provided with the |
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distribution. |
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(3) The name of the author may not be used to |
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endorse or promote products derived from this software without |
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specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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POSSIBILITY OF SUCH DAMAGE. */ |
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#include "config.h" |
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#include <string.h> |
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#include <sys/types.h> |
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#include "backtrace.h" |
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#include "backtrace-supported.h" |
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#include "internal.h" |
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/* Create the backtrace state. This will then be passed to all the |
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other routines. */ |
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struct backtrace_state * |
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backtrace_create_state (const char *filename, int threaded, |
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backtrace_error_callback error_callback, |
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void *data) |
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{ |
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struct backtrace_state init_state; |
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struct backtrace_state *state; |
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#ifndef HAVE_SYNC_FUNCTIONS |
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if (threaded) |
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{ |
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error_callback (data, "backtrace library does not support threads", 0); |
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return NULL; |
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} |
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#endif |
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memset (&init_state, 0, sizeof init_state); |
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init_state.filename = filename; |
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init_state.threaded = threaded; |
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state = ((struct backtrace_state *) |
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backtrace_alloc (&init_state, sizeof *state, error_callback, data)); |
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if (state == NULL) |
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return NULL; |
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*state = init_state; |
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return state; |
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}
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