src/api/setjmp.c

   1 #include <setjmp.h>
   2 #define T(t) (t*)0;
   3 static void f()
   4 {
   5 T(jmp_buf)
   6 {void(*p)(jmp_buf,int) = longjmp;}
   7 #ifdef setjmp
   8 {int x = setjmp((jmp_buf){0});}
   9 #else
  10 {int(*p)(jmp_buf) = setjmp;}
  11 #endif
  12 #ifdef _POSIX_C_SOURCE
  13 T(sigjmp_buf)
  14 {void(*p)(sigjmp_buf,int) = siglongjmp;}
  15 #ifdef sigsetjmp
  16 {int x = sigsetjmp((sigjmp_buf){0}, 0);}
  17 #else
  18 {int(*p)(sigjmp_buf,int) = sigsetjmp;}
  19 #endif
  20 #endif
  21 #if defined _XOPEN_SOURCE && defined OBSOLETE
  22 {void(*p)(jmp_buf,int) = _longjmp;}
  23 #ifdef _setjmp
  24 {int x = _setjmp((jmp_buf){0});}
  25 #else
  26 {int(*p)(jmp_buf) = _setjmp;}
  27 #endif
  28 #endif
  29 }