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[PATCH 06/22] Implement shm_rename(2) system call
From: |
Karim Taha |
Subject: |
[PATCH 06/22] Implement shm_rename(2) system call |
Date: |
Sat, 19 Aug 2023 11:47:50 +0200 |
From: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
---
bsd-user/freebsd/os-misc.h | 24 ++++++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 6 ++++++
2 files changed, 30 insertions(+)
diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h
index 993e4598f9..3509ef026e 100644
--- a/bsd-user/freebsd/os-misc.h
+++ b/bsd-user/freebsd/os-misc.h
@@ -76,5 +76,29 @@ static inline abi_long do_freebsd_shm_open2(abi_ulong
pathptr, abi_ulong flags,
#undef SHM_PATH
#endif /* __FreeBSD_version >= 1300048 */
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300049
+/* shm_rename(2) */
+static inline abi_long do_freebsd_shm_rename(abi_ulong fromptr, abi_ulong
toptr,
+ abi_ulong flags)
+{
+ int ret;
+ void *ufrom, *uto;
+
+ ufrom = lock_user_string(fromptr);
+ if (ufrom == NULL) {
+ return -TARGET_EFAULT;
+ }
+ uto = lock_user_string(toptr);
+ if (uto == NULL) {
+ unlock_user(ufrom, fromptr, 0);
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(shm_rename(ufrom, uto, flags));
+ unlock_user(ufrom, fromptr, 0);
+ unlock_user(uto, toptr, 0);
+
+ return ret;
+}
+#endif /* __FreeBSD_version >= 1300049 */
#endif /* OS_MISC_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index b4311db578..2920370ad2 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -495,6 +495,12 @@ static abi_long freebsd_syscall(void *cpu_env, int num,
abi_long arg1,
break;
#endif
+#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300049
+ case TARGET_FREEBSD_NR_shm_rename: /* shm_rename(2) */
+ ret = do_freebsd_shm_rename(arg1, arg2, arg3);
+ break;
+#endif
+
/*
* sys{ctl, arch, call}
*/
--
2.40.0
- [PATCH 00/22] Implement the mmap system call for FreeBSD., Karim Taha, 2023/08/19
- [PATCH 01/22] Implement struct target_ipc_perm, Karim Taha, 2023/08/19
- [PATCH 03/22] Declarations for ipc_perm and shmid_ds conversion functions, Karim Taha, 2023/08/19
- [PATCH 02/22] Implement struct target_shmid_ds, Karim Taha, 2023/08/19
- [PATCH 06/22] Implement shm_rename(2) system call,
Karim Taha <=
- [PATCH 05/22] Implement shm_open2(2) system call, Karim Taha, 2023/08/19
- [PATCH 08/22] Implement target_set_brk function in bsd-mem.c instead of os-syscall.c, Karim Taha, 2023/08/19
- [PATCH 04/22] Introduce freebsd/os-misc.h to the source tree, Karim Taha, 2023/08/19