ffi_test_dynamic_library.cc File Reference

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>

Go to the source code of this file.

Classes
struct	some_resource

Macros
#define	DART_EXPORT    extern "C" __attribute__((visibility("default"))) __attribute((used))

Functions
DART_EXPORT intptr_t	return42 ()
DART_EXPORT double	timesFour (double d)
DART_EXPORT void	MemMove (void *destination, void *source, intptr_t num_bytes)
DART_EXPORT some_resource *	AllocateResource ()
DART_EXPORT void	UseResource (some_resource *resource)
DART_EXPORT void	ReleaseResource (some_resource *resource)

Macro Definition Documentation

DART_EXPORT

#define DART_EXPORT    extern "C" __attribute__((visibility("default"))) __attribute((used))

Definition at line 13 of file ffi_test_dynamic_library.cc.

                                {
  return 42;
}
 
DART_EXPORT double timesFour(double d) {
  return d * 4.0;
}
 
// Wrap memmove so we can easily find it on all platforms.
//
// We use this in our samples to illustrate resource lifetime management.
DART_EXPORT void MemMove(void* destination, void* source, intptr_t num_bytes) {
  memmove(destination, source, num_bytes);
}
 
// Some opaque struct.
typedef struct {
} some_resource;
 
DART_EXPORT some_resource* AllocateResource() {
  void* pointer = malloc(sizeof(int64_t));
 
  // Dummy initialize.
  static_cast<int64_t*>(pointer)[0] = 10;
 
  return static_cast<some_resource*>(pointer);
}
 
DART_EXPORT void UseResource(some_resource* resource) {
  // Dummy change.
  reinterpret_cast<int64_t*>(resource)[0] += 10;
}
 
DART_EXPORT void ReleaseResource(some_resource* resource) {
  free(resource);
}

Function Documentation

AllocateResource()

DART_EXPORT some_resource * AllocateResource

(

)

Definition at line 36 of file ffi_test_dynamic_library.cc.

                                              {
  void* pointer = malloc(sizeof(int64_t));
 
  // Dummy initialize.
  static_cast<int64_t*>(pointer)[0] = 10;
 
  return static_cast<some_resource*>(pointer);
}

MemMove()

DART_EXPORT void MemMove	(	void *	destination,
		void *	source,
		intptr_t	num_bytes
	)

Definition at line 28 of file ffi_test_dynamic_library.cc.

                                                                              {
  memmove(destination, source, num_bytes);
}

ReleaseResource()

DART_EXPORT void ReleaseResource

(

some_resource *

resource

)

Definition at line 50 of file ffi_test_dynamic_library.cc.

                                                          {
  free(resource);
}

return42()

DART_EXPORT intptr_t return42

(

)

Definition at line 17 of file ffi_test_dynamic_library.cc.

                                {
  return 42;
}

timesFour()

DART_EXPORT double timesFour

(

double

d

)

Definition at line 21 of file ffi_test_dynamic_library.cc.

                                       {
  return d * 4.0;
}

UseResource()

DART_EXPORT void UseResource

(

some_resource *

resource

)

Definition at line 45 of file ffi_test_dynamic_library.cc.

                                                      {
  // Dummy change.
  reinterpret_cast<int64_t*>(resource)[0] += 10;
}