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psignal (3)
  • psignal (3) ( Solaris man: Библиотечные вызовы )
  • >> psignal (3) ( FreeBSD man: Библиотечные вызовы )
  • psignal (3) ( Русские man: Библиотечные вызовы )
  • psignal (3) ( Linux man: Библиотечные вызовы )
  • psignal (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    
    
    psignal
    
     
    strsignal
    
     
    sys_siglist
    
     
    sys_signame
    
     - system signal messages
    
     
    

    LIBRARY

    Lb libc
    
     
    

    SYNOPSIS

       #include <signal.h>
    void psignal (unsigned sig const char *s);
    Vt extern const char * const sys_siglist[] ; Vt extern const char * const sys_signame[] ;    #include <string.h>
    char * strsignal (int sig);
     

    DESCRIPTION

    The psignal ();
    and strsignal ();
    functions locate the descriptive message string for a signal number.

    The strsignal ();
    function accepts a signal number argument Fa sig and returns a pointer to the corresponding message string.

    The psignal ();
    function accepts a signal number argument Fa sig and writes it to the standard error. If the argument Fa s is non- NULL and does not point to the null character, Fa s is written to the standard error file descriptor prior to the message string, immediately followed by a colon and a space. If the signal number is not recognized (sigaction(2) ) the string ``Unknown signal'' is produced.

    The message strings can be accessed directly through the external array sys_siglist indexed by recognized signal numbers. The external array sys_signame is used similarly and contains short, lower-case abbreviations for signals which are useful for recognizing signal names in user input. The defined variable NSIG contains a count of the strings in sys_siglist and sys_signame  

    SEE ALSO

    sigaction(2), perror(3), strerror(3)  

    HISTORY

    The psignal ();
    function appeared in BSD 4.2


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY


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