1918 |
Create a reference to the given object or objects, so they're certain |
Create a reference to the given object or objects, so they're certain |
1919 |
to be present on the stack or in a register and hence will not be |
to be present on the stack or in a register and hence will not be |
1920 |
freed by the garbage collector before this point. |
freed by the garbage collector before this point. |
1921 |
|
|
1922 |
|
Note that these functions can only be applied to ordinary C local |
1923 |
|
variables (ie.@: ``automatics''). Objects held in global or static |
1924 |
|
variables or some malloced block or the like cannot be protected with |
1925 |
|
this mechanism. |
1926 |
@end deftypefn |
@end deftypefn |
1927 |
|
|
1928 |
For example, consider a procedure to convert image data to a list of |
For example, consider a procedure to convert image data to a list of |