tor/src/lib/err/backtrace.h
2019-01-16 12:33:22 -05:00

36 lines
1023 B
C

/* Copyright (c) 2013-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_BACKTRACE_H
#define TOR_BACKTRACE_H
/**
* \file backtrace.h
*
* \brief Header for backtrace.c
**/
#include "orconfig.h"
#include "lib/cc/compat_compiler.h"
typedef void (*tor_log_fn)(int, unsigned, const char *fmt, ...)
CHECK_PRINTF(3,4);
void log_backtrace_impl(int severity, int domain, const char *msg,
tor_log_fn logger);
int configure_backtrace_handler(const char *tor_version);
void clean_up_backtrace_handler(void);
void dump_stack_symbols_to_error_fds(void);
#define log_backtrace(sev, dom, msg) \
log_backtrace_impl((sev), (dom), (msg), tor_log)
#ifdef EXPOSE_CLEAN_BACKTRACE
#if defined(HAVE_EXECINFO_H) && defined(HAVE_BACKTRACE) && \
defined(HAVE_BACKTRACE_SYMBOLS_FD) && defined(HAVE_SIGACTION)
void clean_backtrace(void **stack, size_t depth, const ucontext_t *ctx);
#endif
#endif /* defined(EXPOSE_CLEAN_BACKTRACE) */
#endif /* !defined(TOR_BACKTRACE_H) */