SHS/pip
4
3
Fork 0
Code Issues 67 Pull Requests 1 Actions Releases Wiki Activity

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

Browse Source
This commit is contained in:
Пелипенко Иван
2017-04-28 12:48:41 +00:00
parent 41a0acb3b3
commit 2754a78ff7
1 changed files with 12 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src_main/io/pisharedmemory.cpp
View File

@@ -18,6 +18,9 @@
*/
#include "piincludes_p.h"
#include "pisharedmemory.h"
#if defined(LINUX) || defined(MAC_OS)
# define SHM_POSIX
#endif
#ifdef WINDOWS
#endif
@@ -25,9 +28,10 @@
#endif
#ifdef MAC_OS
//# include <fcntl.h>
#endif
#ifdef LINUX
#ifdef SHM_POSIX
# include <fcntl.h>
# include <sys/stat.h>
# include <sys/mman.h>
@@ -62,7 +66,7 @@ PRIVATE_DEFINITION_START(PISharedMemory)
HANDLE map;
void * data;
#endif
#ifdef LINUX
#ifdef SHM_POSIX
void * data;
bool owner;
#endif
@@ -108,7 +112,7 @@ bool PISharedMemory::openDevice() {
}
//piCout << PRIVATE->map << PRIVATE->data;
#endif
#ifdef LINUX
#ifdef SHM_POSIX
PRIVATE->name = ("/pip_shm_" + path()).toByteArray();
PRIVATE->name.push_back(0);
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->map) CloseHandle(PRIVATE->map);
#endif
#ifdef LINUX
#ifdef SHM_POSIX
//piCoutObj << "close" << PIString(PRIVATE->name) << PRIVATE->data;
if (PRIVATE->data) munmap(PRIVATE->data, dsize);
if (PRIVATE->owner) {
@@ -183,7 +187,7 @@ void PISharedMemory::initPrivate() {
PRIVATE->map = 0;
PRIVATE->data = 0;
#endif
#ifdef LINUX
#ifdef SHM_POSIX
PRIVATE->data = 0;
PRIVATE->owner = false;
#endif
@@ -195,7 +199,7 @@ PIByteArray PISharedMemory::readAll() {
#ifdef WINDOWS
if (!PRIVATE->data) return PIByteArray();
#endif
#ifdef LINUX
#ifdef SHM_POSIX
if (!PRIVATE->data) return PIByteArray();
#endif
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);
return max_size;
#endif
#ifdef LINUX
#ifdef SHM_POSIX
if (!PRIVATE->data) return -1;
memcpy(read_to, &(((char*)(PRIVATE->data))[offset]), 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);
return max_size;
#endif
#ifdef LINUX
#ifdef SHM_POSIX
if (!PRIVATE->data) return -1;
memcpy(&(((char*)(PRIVATE->data))[offset]), data, max_size);
return max_size;