raise
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | Defined in header  <signal.h> | ||
| int raise( int sig ); | ||
Sends signal sig to the program. The signal handler, specified using signal() is invoked.
If the user-defined signal handling strategy is not set using signal() yet, it is implementation-defined whether the signal will be ignored or default handler will be invoked.
| Contents | 
[edit] Parameters
| sig | - | the signal to be sent. It can be an implementation-defined value or one of the following values: 
 
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[edit] Return value
0 upon success, non-zero value on failure.
[edit] Example
Run this code
Output:
Sending signal 15 Received signal 15 Exit main()
[edit] See also
| sets a signal handler for particular signal (function) | |
| C++ documentation for raise | |


