function::sa_handler_str - Linux

Overview

function::sa_handler_str provides a string representation of a signal handler.

Syntax

function::sa_handler_str(sigaction const& sa) -> string

| Parameter | Description |
|—|—|
| sa | The signal action structure to convert to a string. |

Options/Flags

None.

Examples

#include <iostream>
#include <signal.h>

using namespace std;

int main()
{
  struct sigaction sa;
  sa.sa_handler = SIG_IGN;  // Ignore the signal
  cout << signal::sa_handler_str(sa) << endl;  // "Ignore"
  return 0;
}

Common Issues

Ensure that the signal action structure is valid before converting it to a string. An invalid signal action structure may result in undefined behavior.

Integration

function::sa_handler_str can be used to generate strings representing signal handlers for logging or debugging purposes. It can also be used to compare signal handlers to determine if they are equivalent.

Related Commands

• signal: Send a signal to a process.
• sigaction: Examine or change the action taken by a process on receipt of a signal.
• sigpending: Examine the set of pending signals for the calling thread.
• sigprocmask: Examine or change the signal mask of the calling thread.
• sigqueue: Send a signal to a specific thread in a process.
• sigsuspend: Suspend the calling thread until delivery of a signal.