15 files changed, 77 insertions, 45 deletions
diff --git a/conform/data/sys/ipc.h-data b/conform/data/sys/ipc.h-data
index 70dc3f6fe6..09e8f68f8e 100644
--- a/conform/data/sys/ipc.h-data
+++ b/conform/data/sys/ipc.h-data
@@ -1,10 +1,11 @@
 #if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
 type {struct ipc_perm}
 
-element {struct ipc_perm} uid_t uid
-element {struct ipc_perm} gid_t gid
-element {struct ipc_perm} uid_t cuid
-element {struct ipc_perm} gid_t cgid
+// Bug 23082: uid/gid/cuid/cgid/mode have type unsigned short instead of uid_t and mode_t.
+xfail[i386-gnu]-element {struct ipc_perm} uid_t uid
+xfail[i386-gnu]-element {struct ipc_perm} gid_t gid
+xfail[i386-gnu]-element {struct ipc_perm} uid_t cuid
+xfail[i386-gnu]-element {struct ipc_perm} gid_t cgid
 // Bug 18231: wrong type for mode member.
 xfail-element {struct ipc_perm} mode_t mode
 
diff --git a/conform/data/sys/mman.h-data b/conform/data/sys/mman.h-data
index 3a88684bc5..a74388338e 100644
--- a/conform/data/sys/mman.h-data
+++ b/conform/data/sys/mman.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined XPG4
 constant PROT_READ
 constant PROT_WRITE
 constant PROT_EXEC
@@ -17,7 +17,7 @@ constant MCL_FUTURE
 
 constant MAP_FAILED
 
-# if !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
+# if !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98
 constant POSIX_MADV_NORMAL
 constant POSIX_MADV_SEQUENTIAL
 constant POSIX_MADV_RANDOM
diff --git a/conform/data/sys/msg.h-data b/conform/data/sys/msg.h-data
index a8290cab52..f5e9f1c82a 100644
--- a/conform/data/sys/msg.h-data
+++ b/conform/data/sys/msg.h-data
@@ -9,8 +9,9 @@ constant MSG_NOERROR
 element {struct msqid_ds} {struct ipc_perm} msg_perm
 element {struct msqid_ds} msgqnum_t msg_qnum
 element {struct msqid_ds} msglen_t msg_qbytes
-element {struct msqid_ds} pid_t msg_lspid
-element {struct msqid_ds} pid_t msg_lrpid
+// Bug 23083: msg_lspid/msg_lrpid have type unsigned short instead of pid_t.
+xfail[i386-gnu]-element {struct msqid_ds} pid_t msg_lspid
+xfail[i386-gnu]-element {struct msqid_ds} pid_t msg_lrpid
 element {struct msqid_ds} time_t msg_stime
 element {struct msqid_ds} time_t msg_rtime
 element {struct msqid_ds} time_t msg_ctime
diff --git a/conform/data/sys/resource.h-data b/conform/data/sys/resource.h-data
index 5c46dea301..cedbee1a40 100644
--- a/conform/data/sys/resource.h-data
+++ b/conform/data/sys/resource.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG4
 constant PRIO_PROCESS
 constant PRIO_PGRP
 constant PRIO_USER
diff --git a/conform/data/sys/select.h-data b/conform/data/sys/select.h-data
index d414ec4624..44d63ebd2d 100644
--- a/conform/data/sys/select.h-data
+++ b/conform/data/sys/select.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98
 type time_t
 type suseconds_t
 
@@ -10,10 +10,11 @@ type sigset_t
 
 type {struct timespec}
 element {struct timespec} time_t tv_sec
-element {struct timespec} long tv_nsec
+// Bug 16437: tv_nsec has wrong type.
+xfail[x86_64-x32-linux]-element {struct timespec} long tv_nsec
 
 type fd_set
-#if defined XPG3 || defined XPG4 || defined UNIX98
+#if defined XPG4 || defined XPG42 || defined UNIX98
 element fd_set long fds_bits []
 #endif
 
diff --git a/conform/data/sys/shm.h-data b/conform/data/sys/shm.h-data
index a006cdbb92..778b194f50 100644
--- a/conform/data/sys/shm.h-data
+++ b/conform/data/sys/shm.h-data
@@ -9,8 +9,9 @@ type {struct shmid_ds}
 
 element {struct shmid_ds} {struct ipc_perm} shm_perm
 element {struct shmid_ds} size_t shm_segsz
-element {struct shmid_ds} pid_t shm_lpid
-element {struct shmid_ds} pid_t shm_cpid
+// Bug 23085: shm_lpid/shm_cpid have type unsigned short instead of pid_t
+xfail[i386-gnu]-element {struct shmid_ds} pid_t shm_lpid
+xfail[i386-gnu]-element {struct shmid_ds} pid_t shm_cpid
 element {struct shmid_ds} shmatt_t shm_nattch
 element {struct shmid_ds} time_t shm_atime
 element {struct shmid_ds} time_t shm_dtime
diff --git a/conform/data/sys/socket.h-data b/conform/data/sys/socket.h-data
index 442d4d288a..8796c57570 100644
--- a/conform/data/sys/socket.h-data
+++ b/conform/data/sys/socket.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4
 type socklen_t
 
 type sa_family_t
@@ -113,7 +113,7 @@ function int setsockopt (int, int, int, const void*, socklen_t)
 function int shutdown (int, int)
 function int socket (int, int, int)
 function int socketpair (int, int, int, int[2])
-#if !defined XPG4 && !defined UNIX98
+#if !defined XPG42 && !defined UNIX98
 function int sockatmark (int)
 #endif
 
@@ -136,4 +136,5 @@ allow MSG_*
 allow PF_*
 allow SCM_*
 allow SHUT_*
+allow *_t
 #endif
diff --git a/conform/data/sys/stat.h-data b/conform/data/sys/stat.h-data
index f5b17a31ac..03be4814ec 100644
--- a/conform/data/sys/stat.h-data
+++ b/conform/data/sys/stat.h-data
@@ -1,6 +1,6 @@
 #if !defined ISO && !defined ISO99 && !defined ISO11
 
-#if !defined POSIX && !defined POSIX2008 && !defined XPG3 && !defined XPG4
+#if !defined POSIX && !defined POSIX2008 && !defined XPG4 && !defined XPG42
 type blkcnt_t
 type blksize_t
 #endif
@@ -26,14 +26,17 @@ type time_t
 
 type {struct stat}
 
-element {struct stat} dev_t st_dev
+// Bug 17786: st_dev has wrong type.
+// Bug 23084: st_dev has type unsigned long long instead of dev_t (unsigned).
+xfail[mips-o32-linux|i386-gnu]-element {struct stat} dev_t st_dev
 element {struct stat} ino_t st_ino
 element {struct stat} mode_t st_mode
 element {struct stat} nlink_t st_nlink
 element {struct stat} uid_t st_uid
 element {struct stat} gid_t st_gid
 #if !defined POSIX && !defined POSIX2008
-element {struct stat} dev_t st_rdev
+// Bug 21278: st_rdev has wrong type.
+xfail[mips-o32-linux]-element {struct stat} dev_t st_rdev
 #endif
 element {struct stat} off_t st_size
 element {struct stat} time_t st_atime
@@ -44,15 +47,24 @@ element {struct stat} {struct timespec} st_atim
 element {struct stat} {struct timespec} st_mtim
 element {struct stat} {struct timespec} st_ctim
 #endif
-#if !defined POSIX && !defined POSIX2008
+#if !defined XPG4 && !defined POSIX && !defined POSIX2008
+# ifdef XPG42
+// The XPG42 use of "long" for these fields is not compatible with the
+// use of typedefs in future standards to support values outside the
+// range of "long".
+xfail-element {struct stat} long st_blksize
+xfail-element {struct stat} long st_blocks
+# else
 element {struct stat} blksize_t st_blksize
 element {struct stat} blkcnt_t st_blocks
+# endif
 #endif
 
 # if defined XOPEN2K8 || defined POSIX2008
 type {struct timespec}
 element {struct timespec} time_t tv_sec
-element {struct timespec} long tv_nsec
+// Bug 16437: tv_nsec has wrong type.
+xfail[x86_64-x32-linux]-element {struct timespec} long tv_nsec
 # endif
 
 #if !defined POSIX && !defined POSIX2008
@@ -62,8 +74,10 @@ constant S_IFCHR
 constant S_IFIFO
 constant S_IFREG
 constant S_IFDIR
+# ifndef XPG4
 constant S_IFLNK
 constant S_IFSOCK
+# endif
 #endif
 
 constant S_IRWXU
@@ -80,7 +94,7 @@ constant S_IWOTH
 constant S_IXOTH
 constant S_ISUID
 constant S_ISGID
-#if !defined POSIX && !defined POSIX2008
+#if !defined XPG4 && !defined POSIX && !defined POSIX2008
 constant S_ISVTX
 #endif
 
@@ -89,7 +103,7 @@ macro S_ISCHR
 macro S_ISDIR
 macro S_ISFIFO
 macro S_ISREG
-#if !defined POSIX
+#if !defined XPG4 && !defined POSIX
 macro S_ISLNK
 macro S_ISSOCK
 #endif
@@ -98,7 +112,7 @@ macro S_ISSOCK
 optional-macro S_TYPEISMQ
 optional-macro S_TYPEISSEM
 optional-macro S_TYPEISSHM
-# if !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
+# if !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98
 optional-macro S_TYPEISTMO
 # endif
 
@@ -108,7 +122,9 @@ constant UTIME_OMIT
 # endif
 
 function int chmod (const char*, mode_t)
+# ifndef XPG4
 function int fchmod (int, mode_t)
+# endif
 # if defined XOPEN2K8 || defined POSIX2008
 function int fchmodat (int, const char*, mode_t, int)
 # endif
@@ -117,7 +133,7 @@ function int fstat (int, struct stat*)
 function int fstatat (int, const char*, struct stat*, int)
 function int futimens (int, const struct timespec[2])
 # endif
-#if !defined POSIX
+#if !defined XPG4 && !defined POSIX
 function int lstat (const char*, struct stat*)
 #endif
 function int mkdir (const char*, mode_t)
@@ -128,7 +144,7 @@ function int mkfifo (const char*, mode_t)
 # if defined XOPEN2K8 || defined POSIX2008
 function int mkfifoat (int, const char*, mode_t)
 # endif
-# if !defined POSIX && !defined POSIX2008
+# if !defined XPG4 && !defined POSIX && !defined POSIX2008
 function int mknod (const char*, mode_t, dev_t)
 # endif
 # ifdef XOPEN2K8
diff --git a/conform/data/sys/statvfs.h-data b/conform/data/sys/statvfs.h-data
index fa56fbeee1..2a74813e3d 100644
--- a/conform/data/sys/statvfs.h-data
+++ b/conform/data/sys/statvfs.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4
 type {struct statvfs}
 
 element {struct statvfs} {unsigned long} f_bsize
@@ -9,7 +9,8 @@ element {struct statvfs} fsblkcnt_t f_bavail
 element {struct statvfs} fsfilcnt_t f_files
 element {struct statvfs} fsfilcnt_t f_ffree
 element {struct statvfs} fsfilcnt_t f_favail
-element {struct statvfs} {unsigned long} f_fsid
+// Bug 23086: f_fsid has type unsigned long long instead of unsigned long
+xfail[i386-gnu]-element {struct statvfs} {unsigned long} f_fsid
 element {struct statvfs} {unsigned long} f_flag
 element {struct statvfs} {unsigned long} f_namemax
 
diff --git a/conform/data/sys/time.h-data b/conform/data/sys/time.h-data
index 1d07bd6380..30523e1af4 100644
--- a/conform/data/sys/time.h-data
+++ b/conform/data/sys/time.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG4
 type {struct timeval}
 
 element {struct timeval} time_t tv_sec
diff --git a/conform/data/sys/timeb.h-data b/conform/data/sys/timeb.h-data
index 08ae3c0932..9638f73c8f 100644
--- a/conform/data/sys/timeb.h-data
+++ b/conform/data/sys/timeb.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined POSIX2008 && !defined XOPEN2K8
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4 && !defined POSIX2008 && !defined XOPEN2K8
 type {struct timeb}
 
 element {struct timeb} time_t time
diff --git a/conform/data/sys/types.h-data b/conform/data/sys/types.h-data
index 36c5efac63..cc28eb76d4 100644
--- a/conform/data/sys/types.h-data
+++ b/conform/data/sys/types.h-data
@@ -1,9 +1,13 @@
 #if !defined ISO && !defined ISO99 && !defined ISO11
 #if !defined POSIX
+# if !defined XPG4 && !defined XPG42
 type blkcnt_t
 type blksize_t
+# endif
 type clock_t
+# if !defined XPG4 && !defined XPG42
 type clockid_t
+# endif
 #endif
 type dev_t
 # if !defined POSIX
@@ -22,7 +26,7 @@ type mode_t
 type nlink_t
 type off_t
 type pid_t
-#if !defined XPG3 && !defined XPG4
+#if !defined XPG4 && !defined XPG42
 type pthread_attr_t
 #if !defined POSIX && !defined UNIX98
 type pthread_barrier_t
diff --git a/conform/data/sys/uio.h-data b/conform/data/sys/uio.h-data
index 06cea074cd..b9fc66177c 100644
--- a/conform/data/sys/uio.h-data
+++ b/conform/data/sys/uio.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4 && !defined POSIX2008
 type {struct iovec}
 
 element {struct iovec} {void*} iov_base
diff --git a/conform/data/sys/un.h-data b/conform/data/sys/un.h-data
index 3bf7968683..08bf9bcfd7 100644
--- a/conform/data/sys/un.h-data
+++ b/conform/data/sys/un.h-data
@@ -1,8 +1,10 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG4
 type {struct sockaddr_un}
 
 element {struct sockaddr_un} sa_family_t sun_family
 element {struct sockaddr_un} char sun_path []
 
 type sa_family_t
+
+allow sun_*
 #endif
diff --git a/conform/data/sys/wait.h-data b/conform/data/sys/wait.h-data
index e0787e3b5d..ed3869b34f 100644
--- a/conform/data/sys/wait.h-data
+++ b/conform/data/sys/wait.h-data
@@ -7,8 +7,9 @@ constant WNOHANG
 constant WUNTRACED
 
 macro WEXITSTATUS
-# if !defined POSIX && !defined POSIX2008
-macro WIFCONTINUED
+# if !defined XPG4 && !defined POSIX && !defined POSIX2008
+// Bug 23091: hurd: missing waitid support.
+xfail[i386-gnu]-macro WIFCONTINUED
 # endif
 macro WIFEXITED
 macro WIFSIGNALED
@@ -16,17 +17,18 @@ macro WIFSTOPPED
 macro WSTOPSIG
 macro WTERMSIG
 
-# ifndef POSIX
-constant WEXITED
-constant WSTOPPED
+// Bug 23091: hurd: missing waitid support.
+# if !defined XPG4 && !defined POSIX
+xfail[i386-gnu]-constant WEXITED
+xfail[i386-gnu]-constant WSTOPPED
 #  ifndef POSIX2008
-constant WCONTINUED
+xfail[i386-gnu]-constant WCONTINUED
 #  endif
 constant WNOHANG
-constant WNOWAIT
+xfail[i386-gnu]-constant WNOWAIT
 # endif
 
-#if !defined POSIX
+#if !defined XPG4 && !defined POSIX
 type idtype_t
 
 constant P_ALL
@@ -45,10 +47,12 @@ element siginfo_t uid_t si_uid
 element siginfo_t {void*} si_addr
 element siginfo_t int si_status
 element siginfo_t long si_band
+# ifndef XPG42
 element siginfo_t {union sigval} si_value
+# endif
 #endif
 
-#if !defined POSIX && !defined XPG3 && !defined XOPEN2K8 && !defined POSIX2008
+#if !defined POSIX && !defined XPG4 && !defined XOPEN2K8 && !defined POSIX2008
 type {struct rusage}
 
 element {struct rusage} {struct timeval} ru_utime
@@ -60,15 +64,15 @@ type pid_t
 #endif
 
 function pid_t wait (int*)
-#if !defined POSIX && !defined XOPEN2K && !defined XOPEN2K8 && !defined POSIX2008
+#if !defined XPG4 && !defined POSIX && !defined XOPEN2K && !defined XOPEN2K8 && !defined POSIX2008
 function pid_t wait3 (int*, int, struct rusage*)
 #endif
-#if !defined POSIX
+#if !defined XPG4 && !defined POSIX
 function int waitid (idtype_t, id_t, siginfo_t*, int)
 #endif
 function pid_t waitpid (pid_t, int*, int)
 
-#if !defined POSIX
+#if !defined XPG4 && !defined POSIX
 allow-header signal.h
 allow-header sys/resource.h