From: Karim Taha <kariem.taha2.7@gmail.com>
To: qemu-devel@nongnu.org
Cc: imp@bsdimp.com, Stacey Son <sson@FreeBSD.org>,
Karim Taha <kariem.taha2.7@gmail.com>,
Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH v3 21/32] Implement stat related syscalls
Date: Sun, 13 Aug 2023 10:41:42 +0200 [thread overview]
Message-ID: <20230813084153.6510-22-kariem.taha2.7@gmail.com> (raw)
In-Reply-To: <20230813084153.6510-1-kariem.taha2.7@gmail.com>
From: Stacey Son <sson@FreeBSD.org>
Implement the following syscalls:
fcntl(2)
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/freebsd/os-stat.h | 74 ++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h
index 7dc41cd0bf..5d9323c7d1 100644
--- a/bsd-user/freebsd/os-stat.h
+++ b/bsd-user/freebsd/os-stat.h
@@ -351,4 +351,78 @@ static inline abi_long do_freebsd_getdirentries(abi_long arg1,
return ret;
}
+/* fcntl(2) */
+static inline abi_long do_freebsd_fcntl(abi_long arg1, abi_long arg2,
+ abi_ulong arg3)
+{
+ abi_long ret;
+ int host_cmd;
+ struct flock fl;
+ struct target_freebsd_flock *target_fl;
+
+ host_cmd = target_to_host_fcntl_cmd(arg2);
+ if (host_cmd < 0) {
+ return host_cmd;
+ }
+ switch (arg2) {
+ case TARGET_F_GETLK:
+ if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) {
+ return -TARGET_EFAULT;
+ }
+ __get_user(fl.l_type, &target_fl->l_type);
+ __get_user(fl.l_whence, &target_fl->l_whence);
+ __get_user(fl.l_start, &target_fl->l_start);
+ __get_user(fl.l_len, &target_fl->l_len);
+ __get_user(fl.l_pid, &target_fl->l_pid);
+ __get_user(fl.l_sysid, &target_fl->l_sysid);
+ unlock_user_struct(target_fl, arg3, 0);
+ ret = get_errno(safe_fcntl(arg1, host_cmd, &fl));
+ if (!is_error(ret)) {
+ if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) {
+ return -TARGET_EFAULT;
+ }
+ __put_user(fl.l_type, &target_fl->l_type);
+ __put_user(fl.l_whence, &target_fl->l_whence);
+ __put_user(fl.l_start, &target_fl->l_start);
+ __put_user(fl.l_len, &target_fl->l_len);
+ __put_user(fl.l_pid, &target_fl->l_pid);
+ __put_user(fl.l_sysid, &target_fl->l_sysid);
+ unlock_user_struct(target_fl, arg3, 1);
+ }
+ break;
+
+ case TARGET_F_SETLK:
+ case TARGET_F_SETLKW:
+ if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) {
+ return -TARGET_EFAULT;
+ }
+ __get_user(fl.l_type, &target_fl->l_type);
+ __get_user(fl.l_whence, &target_fl->l_whence);
+ __get_user(fl.l_start, &target_fl->l_start);
+ __get_user(fl.l_len, &target_fl->l_len);
+ __get_user(fl.l_pid, &target_fl->l_pid);
+ __get_user(fl.l_sysid, &target_fl->l_sysid);
+ unlock_user_struct(target_fl, arg3, 0);
+ ret = get_errno(safe_fcntl(arg1, host_cmd, &fl));
+ break;
+
+ case TARGET_F_DUPFD:
+ case TARGET_F_DUP2FD:
+ case TARGET_F_GETOWN:
+ case TARGET_F_SETOWN:
+ case TARGET_F_GETFD:
+ case TARGET_F_SETFD:
+ case TARGET_F_GETFL:
+ case TARGET_F_SETFL:
+ case TARGET_F_READAHEAD:
+ case TARGET_F_RDAHEAD:
+ case TARGET_F_ADD_SEALS:
+ case TARGET_F_GET_SEALS:
+ default:
+ ret = get_errno(safe_fcntl(arg1, host_cmd, arg3));
+ break;
+ }
+ return ret;
+}
+
#endif /* BSD_USER_FREEBSD_OS_STAT_H */
--
2.40.0
next prev parent reply other threads:[~2023-08-13 19:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-13 8:41 [PATCH v3 00/32] Implement the stat system calls for FreeBSD Karim Taha
2023-08-13 8:41 ` [PATCH v3 01/32] Move _WANT_FREEBSD macros to include/qemu/osdep.h Karim Taha
2023-08-13 8:41 ` [PATCH v3 02/32] Disable clang warnings Karim Taha
2023-08-13 8:41 ` [PATCH v3 03/32] Update the definitions of __put_user and __get_user macros Karim Taha
2023-08-13 8:41 ` [PATCH v3 04/32] Declarations of h2t and t2h conversion functions Karim Taha
2023-08-13 8:41 ` [PATCH v3 05/32] Add struct target_freebsd11_stat to bsd-user/syscall_defs Karim Taha
2023-08-13 8:41 ` [PATCH v3 06/32] Add struct target_stat to bsd-user/syscall_defs.h Karim Taha
2023-08-13 8:41 ` [PATCH v3 07/32] Add structs target_freebsd11_nstat and target_freebsd11_statfs " Karim Taha
2023-08-13 8:41 ` [PATCH v3 08/32] Add struct target_statfs " Karim Taha
2023-08-13 8:41 ` [PATCH v3 09/32] Add struct target_freebsd_fhandle and fcntl flags " Karim Taha
2023-08-13 8:41 ` [PATCH v3 10/32] Define safe_fcntl macro in bsd-user/syscall_defs.h Karim Taha
2023-08-13 8:41 ` [PATCH v3 11/32] Rename target_freebsd_time_t to target_time_t Karim Taha
2023-08-13 8:41 ` [PATCH v3 12/32] Implement h2t_freebsd11_stat h2t_freebsd_nstat Karim Taha
2023-08-13 8:41 ` [PATCH v3 13/32] Implement h2t_freebsd_fhandle t2h_freebsd_fhandle functions Karim Taha
2023-08-13 8:41 ` [PATCH v3 14/32] Implement h2t_freebds11_statfs Karim Taha
2023-08-13 8:41 ` [PATCH v3 15/32] Implement target_to_host_fcntl_cmd Karim Taha
2023-08-13 8:41 ` [PATCH v3 16/32] Implement h2t_freebsd_stat and h2t_freebsd_statfs functions Karim Taha
2023-08-13 8:41 ` [PATCH v3 17/32] Implement stat related syscalls Karim Taha
2023-08-13 8:41 ` [PATCH v3 18/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 19/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 20/32] " Karim Taha
2023-08-13 8:41 ` Karim Taha [this message]
2023-08-13 8:41 ` [PATCH v3 22/32] Implement freebsd11 " Karim Taha
2023-08-13 8:41 ` [PATCH v3 23/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 24/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 25/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 26/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 27/32] Implement do_freebsd_realpathat syscall Karim Taha
2023-08-13 8:41 ` [PATCH v3 28/32] Add os-stat.c to the build Karim Taha
2023-08-13 8:41 ` [PATCH v3 29/32] Add glue to call the following syscalls to the freebsd_syscall function: Karim Taha
2023-08-13 8:41 ` [PATCH v3 30/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 31/32] " Karim Taha
2023-08-13 8:41 ` [PATCH v3 32/32] " Karim Taha
2023-08-20 4:03 ` [PATCH v3 00/32] Implement the stat system calls for FreeBSD Warner Losh
2023-08-21 11:59 ` Markus Armbruster
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