YAZ  5.25.0
Macros
shptr.h File Reference

Shared pointer macros. More...

#include <yaz/xmalloc.h>
#include <yaz/mutex.h>

Go to the source code of this file.

Macros

#define YAZ_SHPTR_TYPE(type)
 
#define YAZ_SHPTR_INIT(p, n)
 
#define YAZ_SHPTR_INC(p)
 
#define YAZ_SHPTR_DEC(p, destroy)
 

Detailed Description

Shared pointer macros.

Definition in file shptr.h.

Macro Definition Documentation

◆ YAZ_SHPTR_DEC

#define YAZ_SHPTR_DEC (   p,
  destroy 
)
Value:
{ \
yaz_mutex_enter(p->mutex); \
if (--p->ref == 0) { \
yaz_mutex_leave(p->mutex); \
destroy(p->ptr); \
yaz_mutex_destroy(&p->mutex); \
xfree(p); \
p = 0; \
} else { \
yaz_mutex_leave(p->mutex); \
} \
}

Definition at line 64 of file shptr.h.

Referenced by resultset_destroy(), and ZOOM_record_release().

◆ YAZ_SHPTR_INC

#define YAZ_SHPTR_INC (   p)
Value:
{ \
yaz_mutex_enter(p->mutex); \
p->ref++; \
yaz_mutex_leave(p->mutex); \
}

Definition at line 58 of file shptr.h.

Referenced by record_cache_add().

◆ YAZ_SHPTR_INIT

#define YAZ_SHPTR_INIT (   p,
 
)
Value:
{ \
p = xmalloc(sizeof(*p)); \
p->ptr = n; \
p->ref = 1; \
p->mutex = 0; \
yaz_mutex_create(&p->mutex); \
}
#define xmalloc(x)
utility macro which calls malloc_f
Definition: xmalloc.h:49

Definition at line 50 of file shptr.h.

Referenced by ZOOM_record_get(), and ZOOM_resultset_create().

◆ YAZ_SHPTR_TYPE

#define YAZ_SHPTR_TYPE (   type)
Value:
struct type##_shptr \
{ \
type ptr; \
int ref; \
YAZ_MUTEX mutex; \
}; \
typedef struct type##_shptr *type##_shptr_t;
enum l_file_type type
Definition: log.c:45

Definition at line 41 of file shptr.h.