aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/gnu
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2023-05-01 14:51:22 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2023-05-01 15:07:51 +0200
commite2b3d7f4853124746178148cf3f2af4e9c23f73d (patch)
treebc7ed2a890769ffb6dcf2127a45cc48fa9e3e11a /sysdeps/gnu
parente3a3616dbf620fa9f260a4c1a779efbb15b4a506 (diff)
downloadglibc-e2b3d7f4853124746178148cf3f2af4e9c23f73d.zip
glibc-e2b3d7f4853124746178148cf3f2af4e9c23f73d.tar.gz
glibc-e2b3d7f4853124746178148cf3f2af4e9c23f73d.tar.bz2
hurd 64bit: Fix struct msqid_ds and shmid_ds fields
The standards want msg_lspid/msg_lrpid/shm_cpid/shm_lpid to be pid_t, see BZ 23083 and 23085. We can leave them __rpc_pid_t on i386 for ABI compatibility, but avoid hitting the issue on 64bit.
Diffstat (limited to 'sysdeps/gnu')
-rw-r--r--sysdeps/gnu/Makefile4
-rw-r--r--sysdeps/gnu/bits/msq.h20
-rw-r--r--sysdeps/gnu/bits/shm.h16
-rw-r--r--sysdeps/gnu/bits/types/struct_msqid_ds.h42
-rw-r--r--sysdeps/gnu/bits/types/struct_shmid_ds.h39
5 files changed, 86 insertions, 35 deletions
diff --git a/sysdeps/gnu/Makefile b/sysdeps/gnu/Makefile
index 4798ff6..d8d2b6e 100644
--- a/sysdeps/gnu/Makefile
+++ b/sysdeps/gnu/Makefile
@@ -46,5 +46,7 @@ CFLAGS-rt-unwind-resume.c += -fexceptions -fasynchronous-unwind-tables
endif
ifeq ($(subdir),sysvipc)
-sysdep_headers += bits/ipc-perm.h
+sysdep_headers += bits/ipc-perm.h \
+ bits/types/struct_msqid_ds.h \
+ bits/types/struct_shmid_ds.h
endif
diff --git a/sysdeps/gnu/bits/msq.h b/sysdeps/gnu/bits/msq.h
index f85c923..a507c56 100644
--- a/sysdeps/gnu/bits/msq.h
+++ b/sysdeps/gnu/bits/msq.h
@@ -32,25 +32,7 @@
typedef unsigned short int msgqnum_t;
typedef unsigned short int msglen_t;
-
-/* Structure of record for one message inside the kernel.
- The type `struct msg' is opaque. */
-struct msqid_ds
-{
- struct 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 */
- msgqnum_t msg_qnum; /* number of messages currently on queue */
- msglen_t 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() */
-};
+#include <bits/types/struct_msqid_ds.h>
#ifdef __USE_MISC
diff --git a/sysdeps/gnu/bits/shm.h b/sysdeps/gnu/bits/shm.h
index 43f1362..8908e91 100644
--- a/sysdeps/gnu/bits/shm.h
+++ b/sysdeps/gnu/bits/shm.h
@@ -45,21 +45,7 @@ extern int __getpagesize (void) __THROW __attribute__ ((__const__));
/* Type to count number of attaches. */
typedef unsigned short int shmatt_t;
-/* Data structure describing a shared memory segment. */
-struct shmid_ds
- {
- struct ipc_perm shm_perm; /* operation permission struct */
- size_t 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 */
- shmatt_t 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 */
- };
+#include <bits/types/struct_shmid_ds.h>
#ifdef __USE_MISC
diff --git a/sysdeps/gnu/bits/types/struct_msqid_ds.h b/sysdeps/gnu/bits/types/struct_msqid_ds.h
new file mode 100644
index 0000000..0044df7
--- /dev/null
+++ b/sysdeps/gnu/bits/types/struct_msqid_ds.h
@@ -0,0 +1,42 @@
+/* Generic implementation of the SysV message struct msqid_ds for GNU.
+ Copyright (C) 2020-2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_MSG_H
+# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+#include <bits/types/time_t.h>
+
+/* Structure of record for one message inside the kernel.
+ The type `struct msg' is opaque. */
+struct msqid_ds
+{
+ struct 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 */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+};
diff --git a/sysdeps/gnu/bits/types/struct_shmid_ds.h b/sysdeps/gnu/bits/types/struct_shmid_ds.h
new file mode 100644
index 0000000..e221696
--- /dev/null
+++ b/sysdeps/gnu/bits/types/struct_shmid_ds.h
@@ -0,0 +1,39 @@
+/* Generic implementation of the shared memory struct shmid_ds for GNU.
+ Copyright (C) 2020-2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/types/struct_shmid_ds.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <bits/types/time_t.h>
+
+/* Data structure describing a shared memory segment. */
+struct shmid_ds
+ {
+ struct ipc_perm shm_perm; /* operation permission struct */
+ size_t 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() */
+ __pid_t shm_cpid; /* pid of creator */
+ __pid_t shm_lpid; /* pid of last shmop */
+ shmatt_t 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 */
+ };