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C library

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This commit is contained in:
pigeatgarlic 2024-04-04 07:56:25 -07:00
parent 4b3d8dddf3
commit de418e33ab
2 changed files with 28 additions and 11 deletions
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21
lib/interprocess.cpp
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@ -19,6 +19,12 @@
using namespace boost::interprocess;
using namespace std::literals;
#if _WIN32
#define EXPORTS(x) x __cdecl
#else
#define EXPORTS(x) x
#endif
typedef struct {
Packet audio[QUEUE_SIZE];
@ -32,11 +38,14 @@ typedef struct {
}SharedMemoryInternal;
void lock_shared_memory(SharedMemory* memory){
EXPORTS(void)
lock_shared_memory(SharedMemory* memory){
SharedMemoryInternal* internal = (SharedMemoryInternal*) memory;
internal->lock.lock();
}
void unlock_shared_memory(SharedMemory* memory){
EXPORTS(void)
unlock_shared_memory(SharedMemory* memory){
SharedMemoryInternal* internal = (SharedMemoryInternal*) memory;
internal->lock.unlock();
}
@ -62,7 +71,7 @@ managed_shared_memory segment(create_only, random.c_str(), 2 * sizeof(SharedMemo
void
EXPORTS(void)
init_shared_memory(SharedMemory* memory){
for (int i = 0; i < QUEUE_SIZE; i++) {
memory->audio_order[i] = -1;
@ -75,13 +84,13 @@ init_shared_memory(SharedMemory* memory){
void
EXPORTS(void)
deinit_shared_memory() {
shared_memory_object::remove(random.c_str());
}
SharedMemory*
EXPORTS(SharedMemory*)
allocate_shared_memory(long long* handle) {
//Allocate a portion of the segment (raw memory)
std::size_t free_memory = segment.get_free_memory();
@ -102,7 +111,7 @@ allocate_shared_memory(long long* handle) {
}
void
EXPORTS(void)
free_shared_memory(SharedMemory* buffer) {
segment.deallocate(buffer);
}

18
lib/interprocess.h
View File

@ -4,6 +4,13 @@
*/
#pragma once
#if _WIN32
#define EXPORT(x) extern __declspec(dllexport) x __cdecl
#else
#define EXPORT(x) __attribute__((visibility("default"))) extern x
#endif
extern "C" {
#define QUEUE_SIZE 16
#define PACKET_SIZE 32 * 1024
@ -54,8 +61,9 @@ typedef struct {
}SharedMemory;
SharedMemory* allocate_shared_memory(long long* handle) ;
void lock_shared_memory(SharedMemory* memory);
void unlock_shared_memory(SharedMemory* memory);
void free_shared_memory(SharedMemory* buffer);
void deinit_shared_memory();
EXPORT(SharedMemory*) allocate_shared_memory(long long* handle) ;
EXPORT(void) lock_shared_memory(SharedMemory* memory);
EXPORT(void) unlock_shared_memory(SharedMemory* memory);
EXPORT(void) free_shared_memory(SharedMemory* buffer);
EXPORT(void) deinit_shared_memory();
}