projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 04277e02 | 1 | /* Copyright (C) 1995-2019 Free Software Foundation, Inc. |
| 3e5f5557 UD |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. | |
| 28f540f4 | 4 | |
| 3e5f5557 | 5 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 9 | |
| 3e5f5557 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 28f540f4 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 18 | |
| d2f5be2a | 19 | #include <sys/shm.h> |
| e01f79e4 | 20 | #include <stdarg.h> |
| 973209d8 | 21 | #include <ipc_priv.h> |
| e9dcb080 | 22 | #include <sysdep.h> |
| b5567b2a | 23 | #include <shlib-compat.h> |
| e01f79e4 AZ |
24 | #include <errno.h> |
| 25 | ||
| 26 | ||
| 27 | #ifndef DEFAULT_VERSION | |
| 28 | # define DEFAULT_VERSION GLIBC_2_2 | |
| 29 | #endif | |
| 0482576e | 30 | |
| e9dcb080 | 31 | |
| e01f79e4 AZ |
32 | /* Provide operations to control over shared memory segments. */ |
| 33 | int | |
| 34 | __new_shmctl (int shmid, int cmd, struct shmid_ds *buf) | |
| 35 | { | |
| 36 | #ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS | |
| 37 | return INLINE_SYSCALL_CALL (shmctl, shmid, cmd | __IPC_64, buf); | |
| 38 | #else | |
| 39 | return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, | |
| 40 | buf); | |
| 41 | #endif | |
| 42 | } | |
| 43 | versioned_symbol (libc, __new_shmctl, shmctl, DEFAULT_VERSION); | |
| 44 | ||
| 45 | ||
| 46 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) | |
| 973209d8 UD |
47 | struct __old_shmid_ds |
| 48 | { | |
| 49 | struct __old_ipc_perm shm_perm; /* operation permission struct */ | |
| 50 | int shm_segsz; /* size of segment in bytes */ | |
| 51 | __time_t shm_atime; /* time of last shmat() */ | |
| 52 | __time_t shm_dtime; /* time of last shmdt() */ | |
| 53 | __time_t shm_ctime; /* time of last change by shmctl() */ | |
| 54 | __ipc_pid_t shm_cpid; /* pid of creator */ | |
| 55 | __ipc_pid_t shm_lpid; /* pid of last shmop */ | |
| 56 | unsigned short int shm_nattch; /* number of current attaches */ | |
| 57 | unsigned short int __shm_npages; /* size of segment (pages) */ | |
| 70d9946a JM |
58 | unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */ |
| 59 | struct vm_area_struct *__attaches; /* descriptors for attaches */ | |
| 973209d8 UD |
60 | }; |
| 61 | ||
| d2f5be2a | 62 | int |
| d3a4a571 | 63 | attribute_compat_text_section |
| 0482576e | 64 | __old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf) |
| d2f5be2a | 65 | { |
| e01f79e4 AZ |
66 | #ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS |
| 67 | return INLINE_SYSCALL_CALL (shmctl, shmid, cmd, buf); | |
| 68 | #else | |
| 69 | return INLINE_SYSCALL_CALL (ipc, IPCOP_shmctl, shmid, cmd, 0, buf); | |
| 70 | #endif | |
| d2f5be2a | 71 | } |
| b5567b2a UD |
72 | compat_symbol (libc, __old_shmctl, shmctl, GLIBC_2_0); |
| 73 | #endif |