signal2.h

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#ifndef MUTT_MUTT_SIGNAL2_H
#define MUTT_MUTT_SIGNAL2_H
 
#include <signal.h>
#include <stdbool.h>
 
#ifdef USE_DEBUG_BACKTRACE
void show_backtrace(void);
#else
static inline void show_backtrace(void) {} // LCOV_EXCL_LINE
#endif
 
extern volatile sig_atomic_t SigInt;   
extern volatile sig_atomic_t SigWinch; 

typedef void (*sig_handler_t)(int sig);
 
extern sig_handler_t OldSegvHandler; 
 
void assertion_dump(const char *file, int line, const char *func, const char *cond);
 
#ifndef NDEBUG
#if __GNUC__
#define ASSERT_STOP __builtin_trap()
#elif _MSC_VER
#define ASSERT_STOP __debugbreak()
#else
#define ASSERT_STOP (*(volatile int *) 0 = 0)
#endif
#define ASSERT(COND)                                                           \
  do                                                                           \
  {                                                                            \
    if (!(COND))                                                               \
    {                                                                          \
      assertion_dump(__FILE__, __LINE__, __func__, #COND);                     \
      ASSERT_STOP;                                                             \
    }                                                                          \
  } while (false);
#else
#define ASSERT(COND)                                                           \
  do                                                                           \
  {                                                                            \
    if (COND)                                                                  \
    {                                                                          \
    }                                                                          \
  } while (false);
#endif
 
void mutt_sig_allow_interrupt(bool allow);
void mutt_sig_block(void);
void mutt_sig_block_system(void);
void mutt_sig_empty_handler(int sig);
void mutt_sig_exit_handler(int sig);
void mutt_sig_init(sig_handler_t sig_fn, sig_handler_t exit_fn, sig_handler_t segv_fn);
void mutt_sig_reset_child_signals(void);
void mutt_sig_unblock(void);
void mutt_sig_unblock_system(bool restore);
 
#endif /* MUTT_MUTT_SIGNAL2_H */