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Remove port mark functions

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* doc/ref/api-io.texi (Port Implementation): Remove documentation.
* libguile/ports.c (scm_set_port_mark): Remove function.
* libguile/ports.h (scm_t_ptob_descriptor): Remove mark function.
* NEWS: Add entry.
This commit is contained in:
Andy Wingo 2016-04-03 11:13:13 +02:00
parent 4eb9fd47c4
commit 4460f1f152
4 changed files with 3 additions and 16 deletions
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3
NEWS
View file

@ -19,7 +19,10 @@ Instead, use the symbol values `none', `line', or `block', respectively,
as arguments to the `setvbuf' function.
* Incompatible changes
** Remove `scm_set_port_mark'
Port mark functions have not been called since the switch to the BDW
garbage collector.
Changes in 2.1.2 (changes since the 2.1.1 alpha release):

8
doc/ref/api-io.texi
View file

@ -2303,14 +2303,6 @@ A pointer to a NUL terminated string: the name of the port type. This
is the only element of @code{scm_ptob_descriptor} which is not
a procedure. Set via the first argument to @code{scm_make_port_type}.
@item mark
Called during garbage collection to mark any SCM objects that a port
object may contain. It doesn't need to be set unless the port has
@code{SCM} components. Set using
@deftypefun void scm_set_port_mark (scm_t_bits tc, SCM (*mark) (SCM port))
@end deftypefun
@item free
Called when the port is collected during gc. It
should free any resources used by the port.

6
libguile/ports.c
View file

@ -267,12 +267,6 @@ scm_make_port_type (char *name,
return scm_tc7_port + ptobnum * 256;
}
void
scm_set_port_mark (scm_t_bits tc, SCM (*mark) (SCM))
{
scm_c_port_type_ref (SCM_TC2PTOBNUM (tc))->mark = mark;
}
void
scm_set_port_free (scm_t_bits tc, size_t (*free) (SCM))
{

2
libguile/ports.h
View file

@ -184,7 +184,6 @@ typedef enum scm_t_port_type_flags {
typedef struct scm_t_ptob_descriptor
{
char *name;
SCM (*mark) (SCM);
size_t (*free) (SCM);
int (*print) (SCM exp, SCM port, scm_print_state *pstate);
SCM (*equalp) (SCM, SCM);
@ -224,7 +223,6 @@ SCM_API scm_t_bits scm_make_port_type (char *name,
void (*write) (SCM port,
const void *data,
size_t size));
SCM_API void scm_set_port_mark (scm_t_bits tc, SCM (*mark) (SCM));
SCM_API void scm_set_port_free (scm_t_bits tc, size_t (*free) (SCM));
SCM_API void scm_set_port_print (scm_t_bits tc,
int (*print) (SCM exp,