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authorUlrich Drepper <drepper@redhat.com>2000-02-11 19:44:58 +0000
committerUlrich Drepper <drepper@redhat.com>2000-02-11 19:44:58 +0000
commitcd090f718fe308b9d19779abec98cfc0248f92fc (patch)
tree489d2765269319ea2cece03ec5c212862a004cf8 /sysdeps
parentb168cff285692e8cc7ba1f2f9646f4438e75f909 (diff)
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Update.
2000-02-01 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/getresgid.c: Move... * sysdeps/unix/sysv/linux/i386/getresgid.c: ...here. (getresgid): Use getresgid32 if __libc_missing_32bit_uids is -1 or 0. * sysdeps/unix/sysv/linux/getresuid.c: Move... * sysdeps/unix/sysv/linux/i386/getresuid.c: ...here. (getresuid): Use getresuid32 if __libc_missing_32bit_uids is -1 or 0. * sysdeps/unix/sysv/linux/i386/getuid.c: Document new tristate __libc_missing_32bit_uids. (__getuid): Use 32bit uid syscall if __libc_missing_32bit_uids is -1 or 0. * sysdeps/unix/sysv/linux/i386/chown.c (__real_chown): Likewise. * sysdeps/unix/sysv/linux/i386/fchown.c (__fchown): Likewise. * sysdeps/unix/sysv/linux/i386/getegid.c (__getegid): Likewise. * sysdeps/unix/sysv/linux/i386/geteuid.c (__geteuid): Likewise. * sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Likewise. * sysdeps/unix/sysv/linux/i386/getgid.c (__getgid): Likewise. * sysdeps/unix/sysv/linux/i386/lchown.c (__lchown): Likewise. * sysdeps/unix/sysv/linux/i386/setfsgid.c (setfsgid): Likewise. * sysdeps/unix/sysv/linux/i386/setfsuid.c (setfsuid): Likewise. * sysdeps/unix/sysv/linux/i386/setgid.c (__setgid): Likewise. * sysdeps/unix/sysv/linux/i386/setgroups.c (setgroups): Likewise. * sysdeps/unix/sysv/linux/i386/setregid.c (__setregid): Likewise. * sysdeps/unix/sysv/linux/i386/setresgid.c (setresgid): Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c (__setresuid): Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c (__setreuid): Likewise. * sysdeps/unix/sysv/linux/i386/setuid.c (__setuid): Likewise. * sysdeps/unix/sysv/linux/m68k/chown.c (__chown): Likewise. * sysdeps/unix/sysv/linux/arm/getresuid.c: New file. * sysdeps/unix/sysv/linux/arm/getresgid.c: New file. * sysdeps/unix/sysv/linux/arm/msgctl.c: New file. * sysdeps/unix/sysv/linux/arm/semctl.c: New file. * sysdeps/unix/sysv/linux/arm/shmctl.c: New file. * sysdeps/unix/sysv/linux/i386/msgctl.c: New file. * sysdeps/unix/sysv/linux/i386/semctl.c: New file. * sysdeps/unix/sysv/linux/i386/shmctl.c: New file. * sysdeps/unix/sysv/linux/m68k/getresgid.c: New file. * sysdeps/unix/sysv/linux/m68k/getresuid.c: New file. * sysdeps/unix/sysv/linux/m68k/msgctl.c: New file. * sysdeps/unix/sysv/linux/m68k/semctl.c: New file. * sysdeps/unix/sysv/linux/m68k/shmctl.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/msgctl.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/shmctl.c: New file. * sysdeps/unix/sysv/linux/mips/syscalls.list (getresuid): Make syscall directly, no stubs needed. (getresgid): Likewise. * sysdeps/unix/sysv/linux/powerpc/syscalls.list (getresuid): Likewise. (getresgid): Likewise.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/arm/getresgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/arm/getresuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/arm/msgctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/arm/semctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/arm/shmctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/i386/chown.c4
-rw-r--r--sysdeps/unix/sysv/linux/i386/fchown.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getegid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/geteuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getgid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getgroups.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getresgid.c (renamed from sysdeps/unix/sysv/linux/getresgid.c)2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getresuid.c (renamed from sysdeps/unix/sysv/linux/getresuid.c)2
-rw-r--r--sysdeps/unix/sysv/linux/i386/getuid.c9
-rw-r--r--sysdeps/unix/sysv/linux/i386/lchown.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/msgctl.c151
-rw-r--r--sysdeps/unix/sysv/linux/i386/semctl.c173
-rw-r--r--sysdeps/unix/sysv/linux/i386/setfsgid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setfsuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setgid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setgroups.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setregid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setresgid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setresuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setreuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/setuid.c2
-rw-r--r--sysdeps/unix/sysv/linux/i386/shmctl.c173
-rw-r--r--sysdeps/unix/sysv/linux/m68k/chown.c2
-rw-r--r--sysdeps/unix/sysv/linux/m68k/getresgid.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/getresuid.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/msgctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/semctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/shmctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/mips/syscalls.list4
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/syscalls.list4
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/msgctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/shmctl.c1
38 files changed, 540 insertions, 27 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/getresgid.c b/sysdeps/unix/sysv/linux/arm/getresgid.c
new file mode 100644
index 0000000000..b703a414cc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/getresgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresgid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/getresuid.c b/sysdeps/unix/sysv/linux/arm/getresuid.c
new file mode 100644
index 0000000000..0b14cefe34
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/getresuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresuid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/msgctl.c b/sysdeps/unix/sysv/linux/arm/msgctl.c
new file mode 100644
index 0000000000..9f9b8431a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/msgctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/msgctl.c>
diff --git a/sysdeps/unix/sysv/linux/arm/semctl.c b/sysdeps/unix/sysv/linux/arm/semctl.c
new file mode 100644
index 0000000000..e9b1a483c9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/semctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/semctl.c>
diff --git a/sysdeps/unix/sysv/linux/arm/shmctl.c b/sysdeps/unix/sysv/linux/arm/shmctl.c
new file mode 100644
index 0000000000..7eac6380dd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/shmctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/i386/chown.c b/sysdeps/unix/sysv/linux/i386/chown.c
index 8652d0f097..f6442a4ab6 100644
--- a/sysdeps/unix/sysv/linux/i386/chown.c
+++ b/sysdeps/unix/sysv/linux/i386/chown.c
@@ -63,7 +63,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
{
int saved_errno = errno;
# ifdef __NR_chown32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
@@ -99,7 +99,7 @@ __real_chown (const char *file, uid_t owner, gid_t group)
# else
/* !__ASSUME_32BITUIDS && ASSUME_LCHOWN_SYSCALL */
# ifdef __NR_chown32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/fchown.c b/sysdeps/unix/sysv/linux/i386/fchown.c
index 5a84d4170e..f330bbb279 100644
--- a/sysdeps/unix/sysv/linux/i386/fchown.c
+++ b/sysdeps/unix/sysv/linux/i386/fchown.c
@@ -45,7 +45,7 @@ __fchown (int fd, uid_t owner, gid_t group)
return INLINE_SYSCALL (fchown32, 3, fd, owner, group);
#else
# ifdef __NR_fchown32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/getegid.c b/sysdeps/unix/sysv/linux/i386/getegid.c
index 05dd15d986..3926af37db 100644
--- a/sysdeps/unix/sysv/linux/i386/getegid.c
+++ b/sysdeps/unix/sysv/linux/i386/getegid.c
@@ -41,7 +41,7 @@ __getegid (void)
return INLINE_SYSCALL (getegid32, 0);
#else
# ifdef __NR_getegid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/geteuid.c b/sysdeps/unix/sysv/linux/i386/geteuid.c
index e2f932a975..f97fd83c7d 100644
--- a/sysdeps/unix/sysv/linux/i386/geteuid.c
+++ b/sysdeps/unix/sysv/linux/i386/geteuid.c
@@ -41,7 +41,7 @@ __geteuid (void)
return INLINE_SYSCALL (geteuid32, 0);
#else
# ifdef __NR_geteuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/getgid.c b/sysdeps/unix/sysv/linux/i386/getgid.c
index 19794aac36..643abe29d2 100644
--- a/sysdeps/unix/sysv/linux/i386/getgid.c
+++ b/sysdeps/unix/sysv/linux/i386/getgid.c
@@ -42,7 +42,7 @@ __getgid (void)
return INLINE_SYSCALL (getgid32, 0);
#else
# ifdef __NR_getgid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/getgroups.c b/sysdeps/unix/sysv/linux/i386/getgroups.c
index 4ada764f0c..071be4f4b7 100644
--- a/sysdeps/unix/sysv/linux/i386/getgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/getgroups.c
@@ -56,7 +56,7 @@ __getgroups (int n, gid_t *groups)
int i, ngids;
__kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
# ifdef __NR_getgroups32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/getresgid.c b/sysdeps/unix/sysv/linux/i386/getresgid.c
index ce7d7aa649..f4bd14da22 100644
--- a/sysdeps/unix/sysv/linux/getresgid.c
+++ b/sysdeps/unix/sysv/linux/i386/getresgid.c
@@ -52,7 +52,7 @@ getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
__kernel_gid_t k_rgid, k_egid, k_sgid;
int result;
# ifdef __NR_getresgid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int r;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/getresuid.c b/sysdeps/unix/sysv/linux/i386/getresuid.c
index 465db9cc88..27eca40745 100644
--- a/sysdeps/unix/sysv/linux/getresuid.c
+++ b/sysdeps/unix/sysv/linux/i386/getresuid.c
@@ -51,7 +51,7 @@ getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
__kernel_uid_t k_ruid, k_euid, k_suid;
int result;
# ifdef __NR_getresuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int r;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/getuid.c b/sysdeps/unix/sysv/linux/i386/getuid.c
index d160e4423a..97fd273805 100644
--- a/sysdeps/unix/sysv/linux/i386/getuid.c
+++ b/sysdeps/unix/sysv/linux/i386/getuid.c
@@ -30,8 +30,11 @@ extern int __syscall_getuid (void);
extern int __syscall_getuid32 (void);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
- uids. This is the definition */
-int __libc_missing_32bit_uids;
+ uids. This is the definition.
+ -1 if libc does not know yet whether kernel has 32bit uids or not.
+ 0 if it does have them.
+ 1 if it does not have them. */
+int __libc_missing_32bit_uids = -1;
# endif
#endif /* __NR_getuid32 */
@@ -42,7 +45,7 @@ __getuid (void)
return INLINE_SYSCALL (getuid32, 0);
#else
# ifdef __NR_getuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/lchown.c b/sysdeps/unix/sysv/linux/i386/lchown.c
index 2d8e8fb998..6e2bb9d0b9 100644
--- a/sysdeps/unix/sysv/linux/i386/lchown.c
+++ b/sysdeps/unix/sysv/linux/i386/lchown.c
@@ -46,7 +46,7 @@ __lchown (const char *file, uid_t owner, gid_t group)
return INLINE_SYSCALL (lchown32, 3, file, owner, group);
# else
# ifdef __NR_lchown32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/msgctl.c b/sysdeps/unix/sysv/linux/i386/msgctl.c
new file mode 100644
index 0000000000..2ff88882c6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/msgctl.c
@@ -0,0 +1,151 @@
+/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/msg.h>
+#include <ipc_priv.h>
+
+#include <sysdep.h>
+#include <string.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+struct __old_msqid_ds
+{
+ struct __old_ipc_perm msg_perm; /* structure describing operation permission */
+ struct msg *__msg_first; /* pointer to first message on queue */
+ struct msg *__msg_last; /* pointer to last message on queue */
+ __time_t msg_stime; /* time of last msgsnd command */
+ __time_t msg_rtime; /* time of last msgrcv command */
+ __time_t msg_ctime; /* time of last change */
+ struct wait_queue *__wwait; /* ??? */
+ struct wait_queue *__rwait; /* ??? */
+ unsigned short int __msg_cbytes; /* current number of bytes on queue */
+ unsigned short int msg_qnum; /* number of messages currently on queue */
+ unsigned short int msg_qbytes; /* max number of bytes allowed on queue */
+ __ipc_pid_t msg_lspid; /* pid of last msgsnd() */
+ __ipc_pid_t msg_lrpid; /* pid of last msgrcv() */
+};
+
+/* Allows to control internal state and destruction of message queue
+ objects. */
+int __old_msgctl (int, int, struct __old_msqid_ds *);
+int __new_msgctl (int, int, struct msqid_ds *);
+
+#ifdef __NR_getuid32
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+ uids. */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif
+
+int
+__old_msgctl (int msqid, int cmd, struct __old_msqid_ds *buf)
+{
+ return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, buf);
+}
+
+int
+__new_msgctl (int msqid, int cmd, struct msqid_ds *buf)
+{
+#if __ASSUME_32BITUIDS > 0
+ return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf);
+#else
+ switch (cmd) {
+ case MSG_STAT:
+ case IPC_STAT:
+ case IPC_SET:
+ break;
+ default:
+ return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, buf);
+ }
+
+ {
+ int save_errno, result;
+ struct __old_msqid_ds old;
+
+#ifdef __NR_getuid32
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ if (__libc_missing_32bit_uids < 0)
+ {
+ save_errno = errno;
+
+ /* Test presence of new IPC by testing for getuid32 syscall. */
+ result = INLINE_SYSCALL (getuid32, 0);
+ if (result == -1 && errno == ENOSYS)
+ __libc_missing_32bit_uids = 1;
+ else
+ __libc_missing_32bit_uids = 0;
+ __set_errno(save_errno);
+ }
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf);
+ return result;
+ }
+ }
+#endif
+ if (cmd == IPC_SET)
+ {
+ old.msg_perm.uid = buf->msg_perm.uid;
+ old.msg_perm.gid = buf->msg_perm.gid;
+ old.msg_perm.mode = buf->msg_perm.mode;
+ old.msg_qbytes = buf->msg_qbytes;
+ if (old.msg_perm.uid != buf->msg_perm.uid ||
+ old.msg_perm.gid != buf->msg_perm.gid ||
+ old.msg_qbytes != buf->msg_qbytes)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ }
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, &old);
+ if (result != -1 && cmd != IPC_SET)
+ {
+ memset(buf, 0, sizeof(*buf));
+ buf->msg_perm.__key = old.msg_perm.__key;
+ buf->msg_perm.uid = old.msg_perm.uid;
+ buf->msg_perm.gid = old.msg_perm.gid;
+ buf->msg_perm.cuid = old.msg_perm.cuid;
+ buf->msg_perm.cgid = old.msg_perm.cgid;
+ buf->msg_perm.mode = old.msg_perm.mode;
+ buf->msg_perm.__seq = old.msg_perm.__seq;
+ buf->msg_stime = old.msg_stime;
+ buf->msg_rtime = old.msg_rtime;
+ buf->msg_ctime = old.msg_ctime;
+ buf->__msg_cbytes = old.__msg_cbytes;
+ buf->msg_qnum = old.msg_qnum;
+ buf->msg_qbytes = old.msg_qbytes;
+ buf->msg_lspid = old.msg_lspid;
+ buf->msg_lrpid = old.msg_lrpid;
+ }
+ return result;
+ }
+#endif
+}
+
+#if defined PIC && DO_VERSIONING
+default_symbol_version (__new_msgctl, msgctl, GLIBC_2.2);
+symbol_version (__old_msgctl, msgctl, GLIBC_2.0);
+#else
+weak_alias (__new_msgctl, msgctl);
+#endif
diff --git a/sysdeps/unix/sysv/linux/i386/semctl.c b/sysdeps/unix/sysv/linux/i386/semctl.c
new file mode 100644
index 0000000000..7704d2387b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/semctl.c
@@ -0,0 +1,173 @@
+/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <sys/sem.h>
+#include <ipc_priv.h>
+
+#include <sysdep.h>
+#include <string.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+struct __old_semid_ds
+{
+ struct __old_ipc_perm sem_perm; /* operation permission struct */
+ __time_t sem_otime; /* last semop() time */
+ __time_t sem_ctime; /* last time changed by semctl() */
+ struct sem *__sembase; /* ptr to first semaphore in array */
+ struct sem_queue *__sem_pending; /* pending operations */
+ struct sem_queue *__sem_pending_last; /* last pending operation */
+ struct sem_undo *__undo; /* ondo requests on this array */
+ unsigned short int sem_nsems; /* number of semaphores in set */
+};
+
+/* Define a `union semun' suitable for Linux here. */
+union semun
+{
+ int val; /* value for SETVAL */
+ struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */
+ unsigned short int *array; /* array for GETALL & SETALL */
+ struct seminfo *__buf; /* buffer for IPC_INFO */
+};
+
+#ifdef __NR_getuid32
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+ uids. */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif
+
+/* Return identifier for array of NSEMS semaphores associated with
+ KEY. */
+int __old_semctl (int semid, int semnum, int cmd, ...);
+int __new_semctl (int semid, int semnum, int cmd, ...);
+
+int
+__old_semctl (int semid, int semnum, int cmd, ...)
+{
+ union semun arg;
+ va_list ap;
+
+ va_start (ap, cmd);
+
+ /* Get the argument. */
+ arg = va_arg (ap, union semun);
+
+ va_end (ap);
+
+ return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg);
+}
+
+int
+__new_semctl (int semid, int semnum, int cmd, ...)
+{
+ union semun arg;
+ va_list ap;
+
+ va_start (ap, cmd);
+
+ /* Get the argument. */
+ arg = va_arg (ap, union semun);
+
+ va_end (ap);
+
+#if __ASSUME_32BITUIDS > 0
+ return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg);
+#else
+ switch (cmd) {
+ case SEM_STAT:
+ case IPC_STAT:
+ case IPC_SET:
+ break;
+ default:
+ return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg);
+ }
+
+ {
+ int save_errno, result;
+ struct __old_semid_ds old;
+ struct semid_ds *buf;
+
+#ifdef __NR_getuid32
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ if (__libc_missing_32bit_uids < 0)
+ {
+ save_errno = errno;
+
+ /* Test presence of new IPC by testing for getuid32 syscall. */
+ result = INLINE_SYSCALL (getuid32, 0);
+ if (result == -1 && errno == ENOSYS)
+ __libc_missing_32bit_uids = 1;
+ else
+ __libc_missing_32bit_uids = 0;
+ __set_errno(save_errno);
+ }
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg);
+ return result;
+ }
+ }
+#endif
+
+ buf = arg.buf;
+ arg.buf = (struct semid_ds *)&old;
+ if (cmd == IPC_SET)
+ {
+ old.sem_perm.uid = buf->sem_perm.uid;
+ old.sem_perm.gid = buf->sem_perm.gid;
+ old.sem_perm.mode = buf->sem_perm.mode;
+ if (old.sem_perm.uid != buf->sem_perm.uid ||
+ old.sem_perm.gid != buf->sem_perm.gid)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ }
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg);
+ if (result != -1 && cmd != IPC_SET)
+ {
+ memset(buf, 0, sizeof(*buf));
+ buf->sem_perm.__key = old.sem_perm.__key;
+ buf->sem_perm.uid = old.sem_perm.uid;
+ buf->sem_perm.gid = old.sem_perm.gid;
+ buf->sem_perm.cuid = old.sem_perm.cuid;
+ buf->sem_perm.cgid = old.sem_perm.cgid;
+ buf->sem_perm.mode = old.sem_perm.mode;
+ buf->sem_perm.__seq = old.sem_perm.__seq;
+ buf->sem_otime = old.sem_otime;
+ buf->sem_ctime = old.sem_ctime;
+ buf->sem_nsems = old.sem_nsems;
+ }
+ return result;
+ }
+#endif
+}
+
+#if defined PIC && DO_VERSIONING
+default_symbol_version (__new_semctl, semctl, GLIBC_2.2);
+symbol_version (__old_semctl, semctl, GLIBC_2.0);
+#else
+weak_alias (__new_semctl, semctl);
+#endif
diff --git a/sysdeps/unix/sysv/linux/i386/setfsgid.c b/sysdeps/unix/sysv/linux/i386/setfsgid.c
index 6fd7e46489..9d4d475b54 100644
--- a/sysdeps/unix/sysv/linux/i386/setfsgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setfsgid.c
@@ -46,7 +46,7 @@ setfsgid (gid_t gid)
return INLINE_SYSCALL (setfsgid32, 1, gid);
# else
# ifdef __NR_setfsgid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setfsuid.c b/sysdeps/unix/sysv/linux/i386/setfsuid.c
index cf7bc16476..6491f9e139 100644
--- a/sysdeps/unix/sysv/linux/i386/setfsuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setfsuid.c
@@ -46,7 +46,7 @@ setfsuid (uid_t uid)
return INLINE_SYSCALL (setfsuid32, 1, uid);
# else
# ifdef __NR_setfsuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setgid.c b/sysdeps/unix/sysv/linux/i386/setgid.c
index 2a81302527..6d64cc8cbb 100644
--- a/sysdeps/unix/sysv/linux/i386/setgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setgid.c
@@ -45,7 +45,7 @@ __setgid (gid_t gid)
return INLINE_SYSCALL (setgid32, 1, gid);
#else
# ifdef __NR_setgid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c
index eb02350371..81f938d614 100644
--- a/sysdeps/unix/sysv/linux/i386/setgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/setgroups.c
@@ -57,7 +57,7 @@ setgroups (size_t n, const gid_t *groups)
size_t i;
__kernel_gid_t kernel_groups[n];
# ifdef __NR_setgroups32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setregid.c b/sysdeps/unix/sysv/linux/i386/setregid.c
index b4d0a2a116..1d810cdd33 100644
--- a/sysdeps/unix/sysv/linux/i386/setregid.c
+++ b/sysdeps/unix/sysv/linux/i386/setregid.c
@@ -45,7 +45,7 @@ __setregid (gid_t rgid, gid_t egid)
return INLINE_SYSCALL (setregid32, 2, rgid, egid);
#else
# ifdef __NR_setregid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setresgid.c b/sysdeps/unix/sysv/linux/i386/setresgid.c
index 97bb97469c..51ee2141ed 100644
--- a/sysdeps/unix/sysv/linux/i386/setresgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresgid.c
@@ -48,7 +48,7 @@ setresgid (gid_t rgid, gid_t egid, gid_t sgid)
return INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
# else
# ifdef __NR_setresgid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c
index 94fc79ba5c..e5723a0336 100644
--- a/sysdeps/unix/sysv/linux/i386/setresuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresuid.c
@@ -48,7 +48,7 @@ __setresuid (uid_t ruid, uid_t euid, uid_t suid)
return INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid);
# else
# ifdef __NR_setresuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c
index b660604152..b7ffbe01ab 100644
--- a/sysdeps/unix/sysv/linux/i386/setreuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setreuid.c
@@ -45,7 +45,7 @@ __setreuid (uid_t ruid, uid_t euid)
return INLINE_SYSCALL (setreuid32, 2, ruid, euid);
#else
# ifdef __NR_setreuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/setuid.c b/sysdeps/unix/sysv/linux/i386/setuid.c
index ed0d8fa0bd..c93185ada3 100644
--- a/sysdeps/unix/sysv/linux/i386/setuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setuid.c
@@ -44,7 +44,7 @@ __setuid (uid_t uid)
return INLINE_SYSCALL (setuid32, 1, uid);
#else
# ifdef __NR_setuid32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/i386/shmctl.c b/sysdeps/unix/sysv/linux/i386/shmctl.c
new file mode 100644
index 0000000000..2fffc16f1f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/shmctl.c
@@ -0,0 +1,173 @@
+/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/shm.h>
+#include <ipc_priv.h>
+
+#include <sysdep.h>
+#include <string.h>
+#include <sys/syscall.h>
+#include <bits/wordsize.h>
+
+#include "kernel-features.h"
+
+struct __old_shmid_ds
+{
+ struct __old_ipc_perm shm_perm; /* operation permission struct */
+ int shm_segsz; /* size of segment in bytes */
+ __time_t shm_atime; /* time of last shmat() */
+ __time_t shm_dtime; /* time of last shmdt() */
+ __time_t shm_ctime; /* time of last change by shmctl() */
+ __ipc_pid_t shm_cpid; /* pid of creator */
+ __ipc_pid_t shm_lpid; /* pid of last shmop */
+ unsigned short int shm_nattch; /* number of current attaches */
+ unsigned short int __shm_npages; /* size of segment (pages) */
+ unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */
+ struct vm_area_struct *__attaches; /* descriptors for attaches */
+};
+
+struct __old_shminfo
+{
+ int shmmax;
+ int shmmin;
+ int shmmni;
+ int shmseg;
+ int shmall;
+};
+
+#ifdef __NR_getuid32
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+ uids. */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif
+
+/* Provide operations to control over shared memory segments. */
+int __old_shmctl (int, int, struct __old_shmid_ds *);
+int __new_shmctl (int, int, struct shmid_ds *);
+
+int
+__old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf)
+{
+ return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf);
+}
+
+int
+__new_shmctl (int shmid, int cmd, struct shmid_ds *buf)
+{
+#if __ASSUME_32BITUIDS > 0
+ return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf);
+#else
+ switch (cmd) {
+ case SHM_STAT:
+ case IPC_STAT:
+ case IPC_SET:
+#if __WORDSIZE != 32
+ case IPC_INFO:
+#endif
+ break;
+ default:
+ return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf);
+ }
+
+ {
+ int save_errno = result;
+ struct __old_shmid_ds old;
+
+#ifdef __NR_getuid32
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ if (__libc_missing_32bit_uids < 0)
+ {
+ save_errno = errno;
+
+ /* Test presence of new IPC by testing for getuid32 syscall. */
+ result = INLINE_SYSCALL (getuid32, 0);
+ if (result == -1 && errno == ENOSYS)
+ __libc_missing_32bit_uids = 1;
+ else
+ __libc_missing_32bit_uids = 0;
+ __set_errno(save_errno);
+ }
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf);
+ return result;
+ }
+ }
+#endif
+
+ if (cmd == IPC_SET)
+ {
+ old.shm_perm.uid = buf->shm_perm.uid;
+ old.shm_perm.gid = buf->shm_perm.gid;
+ old.shm_perm.mode = buf->shm_perm.mode;
+ if (old.shm_perm.uid != buf->shm_perm.uid ||
+ old.shm_perm.gid != buf->shm_perm.gid)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ }
+ result = INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, &old);
+ if (result != -1 && (cmd == SHM_STAT || cmd == IPC_STAT))
+ {
+ memset(buf, 0, sizeof(*buf));
+ buf->shm_perm.__key = old.shm_perm.__key;
+ buf->shm_perm.uid = old.shm_perm.uid;
+ buf->shm_perm.gid = old.shm_perm.gid;
+ buf->shm_perm.cuid = old.shm_perm.cuid;
+ buf->shm_perm.cgid = old.shm_perm.cgid;
+ buf->shm_perm.mode = old.shm_perm.mode;
+ buf->shm_perm.__seq = old.shm_perm.__seq;
+ buf->shm_atime = old.shm_atime;
+ buf->shm_dtime = old.shm_dtime;
+ buf->shm_ctime = old.shm_ctime;
+ buf->shm_segsz = old.shm_segsz;
+ buf->shm_nattch = old.shm_nattch;
+ buf->shm_cpid = old.shm_cpid;
+ buf->shm_lpid = old.shm_lpid;
+ }
+#if __WORDSIZE != 32
+ else if (result != -1 && cmd == IPC_INFO)
+ {
+ struct __old_shminfo *oldi = (struct __old_shminfo *)&old;
+ struct shminfo *i = (struct shminfo *)buf;
+
+ memset(i, 0, sizeof(*i));
+ i->shmmax = oldi->shmmax;
+ i->shmmin = oldi->shmmin;
+ i->shmmni = oldi->shmmni;
+ i->shmseg = oldi->shmseg;
+ i->shmall = oldi->shmall;
+ }
+#endif
+ return result;
+ }
+#endif
+}
+
+#if defined PIC && DO_VERSIONING
+default_symbol_version (__new_shmctl, shmctl, GLIBC_2.2);
+symbol_version (__old_shmctl, shmctl, GLIBC_2.0);
+#else
+weak_alias (__new_shmctl, shmctl);
+#endif
diff --git a/sysdeps/unix/sysv/linux/m68k/chown.c b/sysdeps/unix/sysv/linux/m68k/chown.c
index 4e7625c13e..79701ee6ff 100644
--- a/sysdeps/unix/sysv/linux/m68k/chown.c
+++ b/sysdeps/unix/sysv/linux/m68k/chown.c
@@ -45,7 +45,7 @@ __chown (const char *file, uid_t owner, gid_t group)
return INLINE_SYSCALL (chown32, 3, file, owner, group);
#else
# ifdef __NR_chown32
- if (!__libc_missing_32bit_uids)
+ if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
diff --git a/sysdeps/unix/sysv/linux/m68k/getresgid.c b/sysdeps/unix/sysv/linux/m68k/getresgid.c
new file mode 100644
index 0000000000..b703a414cc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/getresgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresgid.c>
diff --git a/sysdeps/unix/sysv/linux/m68k/getresuid.c b/sysdeps/unix/sysv/linux/m68k/getresuid.c
new file mode 100644
index 0000000000..0b14cefe34
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/getresuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/getresuid.c>
diff --git a/sysdeps/unix/sysv/linux/m68k/msgctl.c b/sysdeps/unix/sysv/linux/m68k/msgctl.c
new file mode 100644
index 0000000000..9f9b8431a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/msgctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/msgctl.c>
diff --git a/sysdeps/unix/sysv/linux/m68k/semctl.c b/sysdeps/unix/sysv/linux/m68k/semctl.c
new file mode 100644
index 0000000000..e9b1a483c9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/semctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/semctl.c>
diff --git a/sysdeps/unix/sysv/linux/m68k/shmctl.c b/sysdeps/unix/sysv/linux/m68k/shmctl.c
new file mode 100644
index 0000000000..7eac6380dd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/m68k/shmctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/shmctl.c>
diff --git a/sysdeps/unix/sysv/linux/mips/syscalls.list b/sysdeps/unix/sysv/linux/mips/syscalls.list
index 6bb4451ff3..d8c5afa571 100644
--- a/sysdeps/unix/sysv/linux/mips/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/syscalls.list
@@ -56,8 +56,8 @@ s_getcwd getcwd getcwd 2 __syscall_getcwd
s_getdents getdents getdents 3 __syscall_getdents
s_getpmsg getpmsg getpmsg 5 __syscall_getpmsg
s_getpriority getpriority getpriority 2 __syscall_getpriority
-s_getresgid getresgid getresgid 3 __syscall_getresgid
-s_getresuid getresuid getresuid 3 __syscall_getresuid
+getresgid - getresgid 3 getresgid
+getresuid - getresuid 3 getresuid
s_ipc msgget ipc 5 __syscall_ipc
s_lstat64 lxstat64 lstat64 2 __syscall_lstat64
s_poll poll poll 3 __syscall_poll
diff --git a/sysdeps/unix/sysv/linux/powerpc/syscalls.list b/sysdeps/unix/sysv/linux/powerpc/syscalls.list
index d6fdd4cc6c..c5ba61dd12 100644
--- a/sysdeps/unix/sysv/linux/powerpc/syscalls.list
+++ b/sysdeps/unix/sysv/linux/powerpc/syscalls.list
@@ -18,8 +18,8 @@ s_getcwd getcwd getcwd 2 __syscall_getcwd
s_getdents getdents getdents 3 __syscall_getdents
s_getpmsg getpmsg getpmsg 5 __syscall_getpmsg
s_getpriority getpriority getpriority 2 __syscall_getpriority
-s_getresgid getresgid getresgid 3 __syscall_getresgid
-s_getresuid getresuid getresuid 3 __syscall_getresuid
+getresgid - getresgid 3 getresgid
+getresuid - getresuid 3 getresuid
s_getrlimit getrlimit getrlimit 2 __syscall_getrlimit
s_lstat64 lxstat64 lstat64 2 __syscall_lstat64
s_mmap2 mmap64 mmap2 6 __syscall_mmap2
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/msgctl.c b/sysdeps/unix/sysv/linux/sparc/sparc32/msgctl.c
new file mode 100644
index 0000000000..9f9b8431a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/msgctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/msgctl.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c b/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c
new file mode 100644
index 0000000000..e9b1a483c9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/semctl.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/shmctl.c b/sysdeps/unix/sysv/linux/sparc/sparc32/shmctl.c
new file mode 100644
index 0000000000..7eac6380dd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/shmctl.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/shmctl.c>