git-svn-id: svn://db.shs.com.ru/pip@485 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

2017-04-28 11:33:11 +00:00
parent edddfb12b1
commit 66107648df
1 changed files with 2 additions and 1 deletions
--- a/src_main/io/pisharedmemory.cpp
+++ b/src_main/io/pisharedmemory.cpp
@@ -122,9 +122,10 @@ bool PISharedMemory::openDevice() {
 			return false;
 		}
 		PRIVATE->owner = true;
-		ftruncate(fd, dsize);
 		//piCoutObj << "created" << fd;
 	}
+	if (fd >= 0)
+		ftruncate(fd, dsize);
 	PRIVATE->data = mmap(0, dsize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 	::close(fd);
 	if (PRIVATE->data == MAP_FAILED) {