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git-svn-id: svn://db.shs.com.ru/pip@489 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

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Пелипенко Иван
2017-04-28 12:48:41 +00:00
parent 41a0acb3b3
commit 2754a78ff7
1 changed files with 12 additions and 8 deletions
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20
src_main/io/pisharedmemory.cpp
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@@ -18,6 +18,9 @@
*/ */
#include "piincludes_p.h" #include "piincludes_p.h"
#include "pisharedmemory.h" #include "pisharedmemory.h"
#if defined(LINUX) || defined(MAC_OS)
# define SHM_POSIX
#endif
#ifdef WINDOWS #ifdef WINDOWS
#endif #endif
@@ -25,9 +28,10 @@
#endif #endif
#ifdef MAC_OS #ifdef MAC_OS
//# include <fcntl.h>
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
# include <fcntl.h> # include <fcntl.h>
# include <sys/stat.h> # include <sys/stat.h>
# include <sys/mman.h> # include <sys/mman.h>
@@ -62,7 +66,7 @@ PRIVATE_DEFINITION_START(PISharedMemory)
HANDLE map; HANDLE map;
void * data; void * data;
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
void * data; void * data;
bool owner; bool owner;
#endif #endif
@@ -108,7 +112,7 @@ bool PISharedMemory::openDevice() {
} }
//piCout << PRIVATE->map << PRIVATE->data; //piCout << PRIVATE->map << PRIVATE->data;
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
PRIVATE->name = ("/pip_shm_" + path()).toByteArray(); PRIVATE->name = ("/pip_shm_" + path()).toByteArray();
PRIVATE->name.push_back(0); PRIVATE->name.push_back(0);
int fd = shm_open((const char *)PRIVATE->name.data(), O_RDWR, 0777); int fd = shm_open((const char *)PRIVATE->name.data(), O_RDWR, 0777);
@@ -143,7 +147,7 @@ bool PISharedMemory::closeDevice() {
if (PRIVATE->data) UnmapViewOfFile(PRIVATE->data); if (PRIVATE->data) UnmapViewOfFile(PRIVATE->data);
if (PRIVATE->map) CloseHandle(PRIVATE->map); if (PRIVATE->map) CloseHandle(PRIVATE->map);
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
//piCoutObj << "close" << PIString(PRIVATE->name) << PRIVATE->data; //piCoutObj << "close" << PIString(PRIVATE->name) << PRIVATE->data;
if (PRIVATE->data) munmap(PRIVATE->data, dsize); if (PRIVATE->data) munmap(PRIVATE->data, dsize);
if (PRIVATE->owner) { if (PRIVATE->owner) {
@@ -183,7 +187,7 @@ void PISharedMemory::initPrivate() {
PRIVATE->map = 0; PRIVATE->map = 0;
PRIVATE->data = 0; PRIVATE->data = 0;
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
PRIVATE->data = 0; PRIVATE->data = 0;
PRIVATE->owner = false; PRIVATE->owner = false;
#endif #endif
@@ -195,7 +199,7 @@ PIByteArray PISharedMemory::readAll() {
#ifdef WINDOWS #ifdef WINDOWS
if (!PRIVATE->data) return PIByteArray(); if (!PRIVATE->data) return PIByteArray();
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
if (!PRIVATE->data) return PIByteArray(); if (!PRIVATE->data) return PIByteArray();
#endif #endif
PIByteArray a(dsize); PIByteArray a(dsize);
@@ -229,7 +233,7 @@ int PISharedMemory::read(void * read_to, int max_size, int offset) {
CopyMemory(read_to, &(((char*)(PRIVATE->data))[offset]), max_size); CopyMemory(read_to, &(((char*)(PRIVATE->data))[offset]), max_size);
return max_size; return max_size;
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
if (!PRIVATE->data) return -1; if (!PRIVATE->data) return -1;
memcpy(read_to, &(((char*)(PRIVATE->data))[offset]), max_size); memcpy(read_to, &(((char*)(PRIVATE->data))[offset]), max_size);
return max_size; return max_size;
@@ -249,7 +253,7 @@ int PISharedMemory::write(const void * data, int max_size, int offset) {
CopyMemory(&(((char*)(PRIVATE->data))[offset]), data, max_size); CopyMemory(&(((char*)(PRIVATE->data))[offset]), data, max_size);
return max_size; return max_size;
#endif #endif
#ifdef LINUX #ifdef SHM_POSIX
if (!PRIVATE->data) return -1; if (!PRIVATE->data) return -1;
memcpy(&(((char*)(PRIVATE->data))[offset]), data, max_size); memcpy(&(((char*)(PRIVATE->data))[offset]), data, max_size);
return max_size; return max_size;