| /* state.c -- Create the backtrace state. |
| Copyright (C) 2012-2020 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; |
| } |