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common/utils: remove now-unused softref facility.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-07-06 17:06:50 +09:30
parent 3ce2f28907
commit db7c608e2d
3 changed files with 0 additions and 247 deletions
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161
common/test/run-softref.c
View File

@@ -1,161 +0,0 @@
#include "config.h"
#include <assert.h>
#include <common/amount.h>
#include <common/setup.h>
#include <common/utils.h>
#include <stdio.h>
#include <wire/wire.h>
/* AUTOGENERATED MOCKS START */
/* Generated stub for amount_asset_is_main */
bool amount_asset_is_main(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_is_main called!\n"); abort(); }
/* Generated stub for amount_asset_to_sat */
struct amount_sat amount_asset_to_sat(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_to_sat called!\n"); abort(); }
/* Generated stub for amount_sat */
struct amount_sat amount_sat(u64 satoshis UNNEEDED)
{ fprintf(stderr, "amount_sat called!\n"); abort(); }
/* Generated stub for amount_sat_add */
bool amount_sat_add(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_div */
struct amount_sat amount_sat_div(struct amount_sat sat UNNEEDED, u64 div UNNEEDED)
{ fprintf(stderr, "amount_sat_div called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_mul */
bool amount_sat_mul(struct amount_sat *res UNNEEDED, struct amount_sat sat UNNEEDED, u64 mul UNNEEDED)
{ fprintf(stderr, "amount_sat_mul called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_sub called!\n"); abort(); }
/* Generated stub for amount_sat_to_asset */
struct amount_asset amount_sat_to_asset(struct amount_sat *sat UNNEEDED, const u8 *asset UNNEEDED)
{ fprintf(stderr, "amount_sat_to_asset called!\n"); abort(); }
/* Generated stub for amount_tx_fee */
struct amount_sat amount_tx_fee(u32 fee_per_kw UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_tx_fee called!\n"); abort(); }
/* Generated stub for fromwire */
const u8 *fromwire(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, void *copy UNNEEDED, size_t n UNNEEDED)
{ fprintf(stderr, "fromwire called!\n"); abort(); }
/* Generated stub for fromwire_bool */
bool fromwire_bool(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_bool called!\n"); abort(); }
/* Generated stub for fromwire_fail */
void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
/* Generated stub for fromwire_secp256k1_ecdsa_signature */
void fromwire_secp256k1_ecdsa_signature(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
secp256k1_ecdsa_signature *signature UNNEEDED)
{ fprintf(stderr, "fromwire_secp256k1_ecdsa_signature called!\n"); abort(); }
/* Generated stub for fromwire_sha256 */
void fromwire_sha256(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct sha256 *sha256 UNNEEDED)
{ fprintf(stderr, "fromwire_sha256 called!\n"); abort(); }
/* Generated stub for fromwire_tal_arrn */
u8 *fromwire_tal_arrn(const tal_t *ctx UNNEEDED,
const u8 **cursor UNNEEDED, size_t *max UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "fromwire_tal_arrn called!\n"); abort(); }
/* Generated stub for fromwire_u32 */
u32 fromwire_u32(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u32 called!\n"); abort(); }
/* Generated stub for fromwire_u64 */
u64 fromwire_u64(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u64 called!\n"); abort(); }
/* Generated stub for fromwire_u8 */
u8 fromwire_u8(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u8 called!\n"); abort(); }
/* Generated stub for fromwire_u8_array */
void fromwire_u8_array(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, u8 *arr UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "fromwire_u8_array called!\n"); abort(); }
/* Generated stub for towire */
void towire(u8 **pptr UNNEEDED, const void *data UNNEEDED, size_t len UNNEEDED)
{ fprintf(stderr, "towire called!\n"); abort(); }
/* Generated stub for towire_bool */
void towire_bool(u8 **pptr UNNEEDED, bool v UNNEEDED)
{ fprintf(stderr, "towire_bool called!\n"); abort(); }
/* Generated stub for towire_secp256k1_ecdsa_signature */
void towire_secp256k1_ecdsa_signature(u8 **pptr UNNEEDED,
const secp256k1_ecdsa_signature *signature UNNEEDED)
{ fprintf(stderr, "towire_secp256k1_ecdsa_signature called!\n"); abort(); }
/* Generated stub for towire_sha256 */
void towire_sha256(u8 **pptr UNNEEDED, const struct sha256 *sha256 UNNEEDED)
{ fprintf(stderr, "towire_sha256 called!\n"); abort(); }
/* Generated stub for towire_u32 */
void towire_u32(u8 **pptr UNNEEDED, u32 v UNNEEDED)
{ fprintf(stderr, "towire_u32 called!\n"); abort(); }
/* Generated stub for towire_u64 */
void towire_u64(u8 **pptr UNNEEDED, u64 v UNNEEDED)
{ fprintf(stderr, "towire_u64 called!\n"); abort(); }
/* Generated stub for towire_u8 */
void towire_u8(u8 **pptr UNNEEDED, u8 v UNNEEDED)
{ fprintf(stderr, "towire_u8 called!\n"); abort(); }
/* Generated stub for towire_u8_array */
void towire_u8_array(u8 **pptr UNNEEDED, const u8 *arr UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "towire_u8_array called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
struct objtype {
char *c_softref, *c_softref2;
};
int main(int argc, char *argv[])
{
const void *ctx = tal(NULL, char);
struct objtype *o;
char *c;
common_setup(argv[0]);
/* Simple test: freeing obj NULLs softref */
o = tal(ctx, struct objtype);
c = tal(ctx, char);
set_softref(o, &o->c_softref, c);
assert(o->c_softref == c);
tal_free(c);
assert(o->c_softref == NULL);\
/* Duplicate ptrs work */
o = tal(ctx, struct objtype);
c = tal(ctx, char);
set_softref(o, &o->c_softref, c);
assert(o->c_softref == c);
set_softref(o, &o->c_softref2, c);
assert(o->c_softref2 == c);
tal_free(c);
assert(o->c_softref == NULL);
assert(o->c_softref2 == NULL);
/* Cleans up properly if o is freed first. */
c = tal(ctx, char);
set_softref(o, &o->c_softref, c);
tal_free(o);
tal_free(c);
/* Setting to NULL works. */
o = tal(ctx, struct objtype);
c = tal(ctx, char);
set_softref(o, &o->c_softref, c);
assert(o->c_softref == c);
clear_softref(o, &o->c_softref);
assert(o->c_softref == NULL);
/* Now it's not a softref, won't clear! */
o->c_softref = c;
tal_free(c);
assert(o->c_softref == c);
tal_free(o);
tal_free(ctx);
common_shutdown();
}

72
common/utils.c
View File

@@ -57,78 +57,6 @@ void tal_wally_end_onto_(const tal_t *parent,
tal_wally_end(tal_steal(parent, from_wally));
}
#if DEVELOPER
/* If you've got a softref, we assume no reallocs. */
static void dont_move_softref(tal_t *ctx, enum tal_notify_type ntype, void *info)
{
abort();
}
#endif
static void softref_nullify(tal_t *obj, void **ptr)
{
*ptr = NULL;
#if DEVELOPER
tal_del_notifier(obj, dont_move_softref);
#endif
}
static void softref_cleanup(const tal_t *outer, void **ptr)
{
if (*ptr) {
tal_del_destructor2(*ptr, softref_nullify, ptr);
}
#if DEVELOPER
tal_del_notifier(outer, dont_move_softref);
#endif
}
void set_softref_(const tal_t *outer, size_t outersize, void **ptr, tal_t *obj)
{
/* pointer is inside outer, right? */
assert((char *)ptr >= (char *)outer);
assert((char *)ptr < (char *)outer + outersize);
/* This is harmless if there was no prior, otherwise constrains the
* leak: we don't have enough information in softref_nullify to
* clear softref_cleanup */
tal_del_destructor2(outer, softref_cleanup, ptr);
if (obj) {
tal_add_destructor2(outer, softref_cleanup, ptr);
tal_add_destructor2(obj, softref_nullify, ptr);
#if DEVELOPER
tal_add_notifier(obj, TAL_NOTIFY_MOVE, dont_move_softref);
#endif
}
#if DEVELOPER
tal_add_notifier(outer, TAL_NOTIFY_MOVE, dont_move_softref);
#endif
*ptr = obj;
}
void clear_softref_(const tal_t *outer, size_t outersize, void **ptr)
{
assert((char *)ptr >= (char *)outer);
assert((char *)ptr < (char *)outer + outersize);
if (*ptr) {
tal_del_destructor2(outer, softref_cleanup, ptr);
tal_del_destructor2(*ptr, softref_nullify, ptr);
#if DEVELOPER
tal_del_notifier(*ptr, dont_move_softref);
#endif
}
#if DEVELOPER
tal_del_notifier(outer, dont_move_softref);
#endif
*ptr = NULL;
}
char *tal_hexstr(const tal_t *ctx, const void *data, size_t len)
{
char *str = tal_arr(ctx, char, hex_str_size(len));

14
common/utils.h
View File

@@ -54,20 +54,6 @@ char *tal_hex(const tal_t *ctx, const tal_t *data);
/* Allocate and fill a buffer with the data of this hex string. */
u8 *tal_hexdata(const tal_t *ctx, const void *str, size_t len);
/* Macro to set memberptr in tal object outer to point to tal object obj,
* if it isn't NULL.
* The 0*sizeof() checks that *memberptr = obj is valid */
#define set_softref(outer, memberptr, obj) \
set_softref_((outer), sizeof(*(outer)) + 0*sizeof(*(memberptr) = obj), \
(void **)(memberptr), (obj))
/* Macro to clear a (set) softref ptr to NULL */
#define clear_softref(outer, memberptr) \
clear_softref_((outer), sizeof(*(outer)), (void **)(memberptr))
void set_softref_(const tal_t *outer, size_t outersize, void **ptr, tal_t *obj);
void clear_softref_(const tal_t *outer, size_t outersize, void **ptr);
/* Note: p is never a complex expression, otherwise this multi-evaluates! */
#define tal_arr_expand(p, s) \
do { \