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strsignal(3)


NAME

   strsignal - return string describing signal

SYNOPSIS

   #include <string.h>

   char *strsignal(int sig);

   extern const char * const sys_siglist[];

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

   strsignal():
       Since glibc 2.10:
           _POSIX_C_SOURCE >= 200809L
       Before glibc 2.10:
           _GNU_SOURCE

DESCRIPTION

   The  strsignal() function returns a string describing the signal number
   passed in the argument sig.  The string can be used only until the next
   call to strsignal().

   The  array  sys_siglist holds the signal description strings indexed by
   signal number.  The strsignal() function should  be  used  if  possible
   instead of this array.

RETURN VALUE

   The strsignal() function returns the appropriate description string, or
   an unknown signal message if the signal number  is  invalid.   On  some
   systems (but not on Linux), NULL may instead be returned for an invalid
   signal number.

ATTRIBUTES

   For  an  explanation  of  the  terms  used   in   this   section,   see
   attributes(7).

   
   Interface    Attribute      Value                           
   
   strsignal()  Thread safety  MT-Unsafe race:strsignal locale

CONFORMING TO

   POSIX.1-2008.  Present on Solaris and the BSDs.

SEE ALSO

   psignal(3), strerror(3)

COLOPHON

   This  page  is  part of release 4.09 of the Linux man-pages project.  A
   description of the project, information about reporting bugs,  and  the
   latest     version     of     this    page,    can    be    found    at
   https://www.kernel.org/doc/man-pages/.



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