cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / asm-generic / ipcbuf.h

diff --git a/i686-linux-gnu-4.7/usr/include/asm-generic/ipcbuf.h b/i686-linux-gnu-4.7/usr/include/asm-generic/ipcbuf.h
new file mode 100644 (file)
index 0000000..7d80dbd
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/asm-generic/ipcbuf.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_GENERIC_IPCBUF_H
+#define __ASM_GENERIC_IPCBUF_H
+
+/*
+ * The generic ipc64_perm structure:
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * ipc64_perm was originally meant to be architecture specific, but
+ * everyone just ended up making identical copies without specific
+ * optimizations, so we may just as well all use the same one.
+ *
+ * Pad space is left for:
+ * - 32-bit mode_t on architectures that only had 16 bit
+ * - 32-bit seq
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct ipc64_perm {
+       __kernel_key_t          key;
+       __kernel_uid32_t        uid;
+       __kernel_gid32_t        gid;
+       __kernel_uid32_t        cuid;
+       __kernel_gid32_t        cgid;
+       __kernel_mode_t         mode;
+                               /* pad if mode_t is u16: */
+       unsigned char           __pad1[4 - sizeof(__kernel_mode_t)];
+       unsigned short          seq;
+       unsigned short          __pad2;
+       __kernel_ulong_t        __unused1;
+       __kernel_ulong_t        __unused2;
+};
+
+#endif /* __ASM_GENERIC_IPCBUF_H */