/* -*- Mode: C; -*-
 * ----------------------------------------------------------------------------
 *     Title: Demonstration how Signal Handlers Leak with Rosetta
 *   Created: 2025-05-20
 *    Author: Gilbert Baumann <gilbert@bauhh.de>
 * ----------------------------------------------------------------------------
 *  (c) copyright 2025 by Gilbert Baumann
 */

/*
 * This leaks something around 2k to 4k per trap when run with Rosetta.
 */

#include <stdio.h>
#include <signal.h>
#include <setjmp.h>

jmp_buf abort_jb;

void signal_handler (int signum, siginfo_t *info, ucontext_t *uc) {
  (void)signum; (void)info;
  printf("uc at %p\n", uc);
  longjmp(abort_jb, 1);
}

int main (int argc, char **argv) {
  (void)argc; (void)argv;

  struct sigaction sa;
  sa.sa_sigaction = (void*)signal_handler;
  sa.sa_flags = SA_SIGINFO;
  sa.sa_mask = 0;
  sigaction(SIGSEGV, &sa, 0);

  for(;;) {
    if (0 == setjmp(abort_jb)) {
      *((volatile char *)-1);
    }
  }

  return 0;
}