Merge pull request #8 from leavelet/master

Add support for linux/loong64

Author: gen2brain

shm_linux_loong64.go

@@ -0,0 +1,61 @@
+package shm
+
+import (
+	"syscall"
+)
+
+// System call constants.
+const (
+	sysShmAt  = syscall.SYS_SHMAT
+	sysShmCtl = syscall.SYS_SHMCTL
+	sysShmDt  = syscall.SYS_SHMDT
+	sysShmGet = syscall.SYS_SHMGET
+)
+
+// Perm is used to pass permission information to IPC operations.
+type Perm struct {
+	// Key.
+	Key int32
+	// Owner's user ID.
+	Uid uint32
+	// Owner's group ID.
+	Gid uint32
+	// Creator's user ID.
+	Cuid uint32
+	// Creator's group ID.
+	Cgid uint32
+	// Read/write permission.
+	Mode uint32
+	// Sequence number.
+	Seq uint16
+	// Padding.
+	Pad1 uint16
+	// Reserved.
+	GlibcReserved1 uint64
+	// Reserved.
+	GlibcReserved2 uint64
+}
+
+// IdDs describes shared memory segment.
+type IdDs struct {
+	// Operation permission struct.
+	Perm Perm
+	// Size of segment in bytes.
+	SegSz uint64
+	// Last attach time.
+	Atime int64
+	// Last detach time.
+	Dtime int64
+	// Last change time.
+	Ctime int64
+	// Pid of creator.
+	Cpid int32
+	// Pid of last shmat/shmdt.
+	Lpid int32
+	// Number of current attaches.
+	Nattch uint64
+	// Reserved.
+	GlibcReserved5 uint64
+	// Reserved.
+	GlibcReserved6 uint64
+}