Files
klubhaus-doorbell/libraries/FastLED/tests/crash_handler_execinfo.h
2026-02-12 00:45:31 -08:00

62 lines
1.3 KiB
C++

#ifndef CRASH_HANDLER_EXECINFO_H
#define CRASH_HANDLER_EXECINFO_H
#ifdef USE_EXECINFO
#include <execinfo.h>
#include <csignal>
#include <cstdio>
#include <cstdlib>
namespace crash_handler_execinfo {
inline void print_stacktrace_execinfo() {
// Fallback to execinfo.h backtrace
void *buffer[100];
int nptrs;
char **strings;
printf("Stack trace (backtrace):\n");
nptrs = backtrace(buffer, 100);
strings = backtrace_symbols(buffer, nptrs);
if (strings == nullptr) {
printf("backtrace_symbols failed\n");
return;
}
for (int j = 0; j < nptrs; j++) {
printf("#%-2d %s\n", j, strings[j]);
}
free(strings);
}
inline void crash_handler(int sig) {
fprintf(stderr, "Error: signal %d:\n", sig);
print_stacktrace_execinfo();
exit(1);
}
inline void setup_crash_handler() {
// Set up POSIX signal handlers
signal(SIGABRT, crash_handler);
signal(SIGFPE, crash_handler);
signal(SIGILL, crash_handler);
signal(SIGINT, crash_handler);
signal(SIGSEGV, crash_handler);
signal(SIGTERM, crash_handler);
// execinfo.h backtrace is ready to use
}
inline void print_stacktrace() {
print_stacktrace_execinfo();
}
} // namespace crash_handler_execinfo
#endif // USE_EXECINFO
#endif // CRASH_HANDLER_EXECINFO_H