xref: /netbsd-src/external/gpl3/gcc/dist/libiberty/atexit.c (revision 4fee23f98c45552038ad6b5bd05124a41302fb01)
1*4fee23f9Smrg /* Wrapper to implement ANSI C's atexit using SunOS's on_exit. */
2*4fee23f9Smrg /* This function is in the public domain.  --Mike Stump. */
3*4fee23f9Smrg 
4*4fee23f9Smrg /*
5*4fee23f9Smrg 
6*4fee23f9Smrg @deftypefn Supplemental int atexit (void (*@var{f})())
7*4fee23f9Smrg 
8*4fee23f9Smrg Causes function @var{f} to be called at exit.  Returns 0.
9*4fee23f9Smrg 
10*4fee23f9Smrg @end deftypefn
11*4fee23f9Smrg 
12*4fee23f9Smrg */
13*4fee23f9Smrg 
14*4fee23f9Smrg #include "config.h"
15*4fee23f9Smrg 
16*4fee23f9Smrg #ifdef HAVE_ON_EXIT
17*4fee23f9Smrg 
18*4fee23f9Smrg int
atexit(void (* f)(void))19*4fee23f9Smrg atexit(void (*f)(void))
20*4fee23f9Smrg {
21*4fee23f9Smrg   /* If the system doesn't provide a definition for atexit, use on_exit
22*4fee23f9Smrg      if the system provides that.  */
23*4fee23f9Smrg   on_exit (f, 0);
24*4fee23f9Smrg   return 0;
25*4fee23f9Smrg }
26*4fee23f9Smrg 
27*4fee23f9Smrg #endif
28