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(Remembering During Operations): Note

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scm_remember_upto_here_1 applies only to C automatic variables.
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Kevin Ryde 2003-08-29 23:32:21 +00:00
parent bd35f1f07c
commit d3d0c186e0
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7
doc/ref/data-rep.texi
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@ -46,7 +46,7 @@
@c essay @sp 10 @c essay @sp 10
@c essay @comment The title is printed in a large font. @c essay @comment The title is printed in a large font.
@c essay @title Data Representation in Guile @c essay @title Data Representation in Guile
@c essay @subtitle $Id: data-rep.texi,v 1.13 2003-06-21 23:02:58 kryde Exp $ @c essay @subtitle $Id: data-rep.texi,v 1.14 2003-08-29 23:32:21 kryde Exp $
@c essay @subtitle For use with Guile @value{VERSION} @c essay @subtitle For use with Guile @value{VERSION}
@c essay @author Jim Blandy @c essay @author Jim Blandy
@c essay @author Free Software Foundation @c essay @author Free Software Foundation
@ -1918,6 +1918,11 @@ while code is still using it.
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
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
freed by the garbage collector before this point. freed by the garbage collector before this point.
Note that these functions can only be applied to ordinary C local
variables (ie.@: ``automatics''). Objects held in global or static
variables or some malloced block or the like cannot be protected with
this mechanism.
@end deftypefn @end deftypefn
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