Update.

[platform/upstream/glibc.git] / sysdeps / unix / sysv / linux / bits / socket.h

diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 5517ba8..c1f752e 100644 (file)
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -222,12 +222,32 @@ __cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
    <linux/socket.h>.  */
 enum
   {
-    SCM_RIGHTS = 0x01,         /* Data array contains access rights.  */
+    SCM_RIGHTS = 0x01,         /* Transfer file descriptors.  */
 #define SCM_RIGHTS SCM_RIGHTS
-    __SCM_CREDENTIALS = 0x02,  /* Data array is `struct ucred'.  */
-    __SCM_CONNECT = 0x03       /* Data array is `struct scm_connect'.  */
+#ifdef __USE_BSD
+    SCM_CREDS = 0x02,          /* BSD-compatible credentials passing.  */
+# define SCM_CREDS SCM_CREDS
+#endif
+    __SCM_CONNECT = 0x03,      /* Data array is `struct scm_connect'.  */
   };
 
+#ifdef __USE_BSD
+
+/* User visible structure for SCM_CREDS message
+   (chosen for BSD source compatibility) */
+
+# define CMGROUP_MAX 16  /* Linux does not provide this info, so it doesn't
+                           matter... use what bsd does. */
+struct cmsgcred
+{
+  pid_t cmcred_pid;                    /* PID of sending process.  */
+  uid_t cmcred_uid;                    /* Real UID of sending process.  */
+  uid_t cmcred_euid;                   /* Effective UID of sending process. */
+  gid_t cmcred_gid;                    /* Real GID of sending process.  */
+  short int cmcred_ngroups;            /* Number or groups.  */
+  gid_t cmcred_groups[CMGROUP_MAX];    /* Groups.  */
+};
+#endif
 
 /* Get socket manipulation related informations from kernel headers.  */
 #include <asm/socket.h>