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linux-user: implement F_[GS]ETOWN_EX

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F_GETOWN is replaced by F_GETOWN_EX inside the glibc fcntl wrapper

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Andreas Schwab 2014-03-07 15:24:08 +01:00 committed by Riku Voipio
parent 3b899ea7d4
commit 8d5d30046b
2 changed files with 43 additions and 0 deletions
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36
linux-user/syscall.c
View File

@ -4421,6 +4421,14 @@ static int target_to_host_fcntl_cmd(int cmd)
#endif
case TARGET_F_NOTIFY:
return F_NOTIFY;
#ifdef F_GETOWN_EX
case TARGET_F_GETOWN_EX:
return F_GETOWN_EX;
#endif
#ifdef F_SETOWN_EX
case TARGET_F_SETOWN_EX:
return F_SETOWN_EX;
#endif
default:
return -TARGET_EINVAL;
}
@ -4443,6 +4451,10 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
struct target_flock *target_fl;
struct flock64 fl64;
struct target_flock64 *target_fl64;
#ifdef F_GETOWN_EX
struct f_owner_ex fox;
struct target_f_owner_ex *target_fox;
#endif
abi_long ret;
int host_cmd = target_to_host_fcntl_cmd(cmd);
@ -4536,6 +4548,30 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
break;
#ifdef F_GETOWN_EX
case TARGET_F_GETOWN_EX:
ret = get_errno(fcntl(fd, host_cmd, &fox));
if (ret >= 0) {
if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
return -TARGET_EFAULT;
target_fox->type = tswap32(fox.type);
target_fox->pid = tswap32(fox.pid);
unlock_user_struct(target_fox, arg, 1);
}
break;
#endif
#ifdef F_SETOWN_EX
case TARGET_F_SETOWN_EX:
if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
return -TARGET_EFAULT;
fox.type = tswap32(target_fox->type);
fox.pid = tswap32(target_fox->pid);
unlock_user_struct(target_fox, arg, 0);
ret = get_errno(fcntl(fd, host_cmd, &fox));
break;
#endif
case TARGET_F_SETOWN:
case TARGET_F_GETOWN:
case TARGET_F_SETSIG:

7
linux-user/syscall_defs.h
View File

@ -2123,6 +2123,8 @@ struct target_statfs64 {
#define TARGET_F_SETOWN 8 /* for sockets. */
#define TARGET_F_GETOWN 9 /* for sockets. */
#endif
#define TARGET_F_SETOWN_EX 15
#define TARGET_F_GETOWN_EX 16
#ifndef TARGET_F_RDLCK
#define TARGET_F_RDLCK 0
@ -2305,6 +2307,11 @@ struct target_eabi_flock64 {
} QEMU_PACKED;
#endif
struct target_f_owner_ex {
int type; /* Owner type of ID. */
int pid; /* ID of owner. */
};
/* soundcard defines */
/* XXX: convert them all to arch indepedent entries */
#define TARGET_SNDCTL_COPR_HALT TARGET_IOWR('C', 7, int);