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Remove now-unused refcnt.h

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-03-01 12:42:31 +01:00
parent f23ab4dc3c
commit 311b63fef8
3 changed files with 0 additions and 56 deletions
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1
src/basic/meson.build
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@ -148,7 +148,6 @@ basic_sources = files('''
ratelimit.h
raw-clone.h
raw-reboot.h
refcnt.h
replace-var.c
replace-var.h
rlimit-util.c

54
src/basic/refcnt.h
View file

@ -1,54 +0,0 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/* A type-safe atomic refcounter.
*
* DO NOT USE THIS UNLESS YOU ACTUALLY CARE ABOUT THREAD SAFETY! */
typedef struct {
volatile unsigned _value;
} RefCount;
#define REFCNT_GET(r) ((r)._value)
#define REFCNT_INC(r) (__sync_add_and_fetch(&(r)._value, 1))
#define REFCNT_DEC(r) (__sync_sub_and_fetch(&(r)._value, 1))
#define REFCNT_INIT ((RefCount) { ._value = 1 })
#define _DEFINE_ATOMIC_REF_FUNC(type, name, scope) \
scope type *name##_ref(type *p) { \
if (!p) \
return NULL; \
\
assert_se(REFCNT_INC(p->n_ref) >= 2); \
return p; \
}
#define _DEFINE_ATOMIC_UNREF_FUNC(type, name, free_func, scope) \
scope type *name##_unref(type *p) { \
if (!p) \
return NULL; \
\
if (REFCNT_DEC(p->n_ref) > 0) \
return NULL; \
\
return free_func(p); \
}
#define DEFINE_ATOMIC_REF_FUNC(type, name) \
_DEFINE_ATOMIC_REF_FUNC(type, name,)
#define DEFINE_PUBLIC_ATOMIC_REF_FUNC(type, name) \
_DEFINE_ATOMIC_REF_FUNC(type, name, _public_)
#define DEFINE_ATOMIC_UNREF_FUNC(type, name, free_func) \
_DEFINE_ATOMIC_UNREF_FUNC(type, name, free_func,)
#define DEFINE_PUBLIC_ATOMIC_UNREF_FUNC(type, name, free_func) \
_DEFINE_ATOMIC_UNREF_FUNC(type, name, free_func, _public_)
#define DEFINE_ATOMIC_REF_UNREF_FUNC(type, name, free_func) \
DEFINE_ATOMIC_REF_FUNC(type, name); \
DEFINE_ATOMIC_UNREF_FUNC(type, name, free_func);
#define DEFINE_PUBLIC_ATOMIC_REF_UNREF_FUNC(type, name, free_func) \
DEFINE_PUBLIC_ATOMIC_REF_FUNC(type, name); \
DEFINE_PUBLIC_ATOMIC_UNREF_FUNC(type, name, free_func);

1
src/libsystemd/sd-device/device-private.c
View file

@ -18,7 +18,6 @@
#include "mkdir.h"
#include "parse-util.h"
#include "path-util.h"
#include "refcnt.h"
#include "set.h"
#include "string-table.h"
#include "string-util.h"