bsd-user: Implement pathconf, lpathconf and fpathconf

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 08:05:10 -06:00
parent 5fbd8011ff
commit d3f29ddacd
2 changed files with 44 additions and 0 deletions

View File

@ -894,4 +894,36 @@ static abi_long do_bsd_mkfifoat(abi_long arg1, abi_long arg2,
return ret;
}
/* pathconf(2) */
static abi_long do_bsd_pathconf(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(pathconf(p, arg2)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* lpathconf(2) */
static abi_long do_bsd_lpathconf(abi_long arg1, abi_long arg2)
{
abi_long ret;
void *p;
LOCK_PATH(p, arg1);
ret = get_errno(lpathconf(p, arg2)); /* XXX path(p)? */
UNLOCK_PATH(p, arg1);
return ret;
}
/* fpathconf(2) */
static abi_long do_bsd_fpathconf(abi_long arg1, abi_long arg2)
{
return get_errno(fpathconf(arg1, arg2));
}
#endif /* BSD_FILE_H */

View File

@ -475,6 +475,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_mkfifoat(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_pathconf: /* pathconf(2) */
ret = do_bsd_pathconf(arg1, arg2);
break;
case TARGET_FREEBSD_NR_lpathconf: /* lpathconf(2) */
ret = do_bsd_lpathconf(arg1, arg2);
break;
case TARGET_FREEBSD_NR_fpathconf: /* fpathconf(2) */
ret = do_bsd_fpathconf(arg1, arg2);
break;
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;