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bsd-user: Implement chroot and flock 

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-16 08:00:53 -06:00
parent c6f0a7d91a
commit 17a4d13cea
2 changed files with 27 additions and 0 deletions
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19
bsd-user/bsd-file.h
View File

@ -848,4 +848,23 @@ static abi_long do_bsd_fchflags(abi_long arg1, abi_long arg2)
return get_errno(fchflags(arg1, arg2));
}
/* chroot(2) */
static abi_long do_bsd_chroot(abi_long arg1)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(chroot(p)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* flock(2) */
static abi_long do_bsd_flock(abi_long arg1, abi_long arg2)
{
return get_errno(flock(arg1, arg2));
}
#endif /* BSD_FILE_H */

8
bsd-user/freebsd/os-syscall.c
View File

@ -459,6 +459,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_fchflags(arg1, arg2);
break;
case TARGET_FREEBSD_NR_chroot: /* chroot(2) */
ret = do_bsd_chroot(arg1);
break;
case TARGET_FREEBSD_NR_flock: /* flock(2) */
ret = do_bsd_flock(arg1, arg2);
break;
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;