diff options
Diffstat (limited to 'common/uapi/cap.c')
| -rw-r--r-- | common/uapi/cap.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/common/uapi/cap.c b/common/uapi/cap.c index 84dbc45..3495960 100644 --- a/common/uapi/cap.c +++ b/common/uapi/cap.c @@ -38,14 +38,14 @@ SYSCALL_DEFINE3(set_cap)(sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { struct tcb *t = cur_tcb(); if (!is_set(t->caps, CAP_CAPS)) - return (struct sys_ret){ERR_PERM, 0, 0, 0, 0, 0}; + return SYS_RET1(ERR_PERM); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return (struct sys_ret){ERR_INVAL, 0, 0, 0, 0, 0}; + return SYS_RET1(ERR_INVAL); set_caps(*c, off, caps); - return (struct sys_ret){OK, 0, 0, 0, 0, 0}; + return SYS_RET1(OK); } /** @@ -59,9 +59,9 @@ SYSCALL_DEFINE2(get_cap)(sys_arg_t tid, sys_arg_t off) { capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return (struct sys_ret){ERR_INVAL, 0, 0, 0, 0, 0}; + return SYS_RET1(ERR_INVAL); - return (struct sys_ret){OK, get_caps(*c, off), 0, 0, 0, 0}; + return SYS_RET2(OK, get_caps(*c, off)); } /** @@ -70,18 +70,19 @@ SYSCALL_DEFINE2(get_cap)(sys_arg_t tid, sys_arg_t off) * @param tid Thread ID whose capabilities to clear. * @param off Offset of capability, multiple of \c bits(cap). * @param caps Mask of capabilities to clear. - * @return \ref OK. + * @return ERR_LERM if invalid permissions, ERR_INVAL if \p tid doesn't exist, + * otherwise OK. */ SYSCALL_DEFINE3(clear_cap)(sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { struct tcb *t = cur_tcb(); if (!is_set(t->caps, CAP_CAPS)) - return (struct sys_ret){ERR_PERM, 0, 0, 0, 0, 0}; + return SYS_RET1(ERR_PERM); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return (struct sys_ret){ERR_INVAL, 0, 0, 0, 0, 0}; + return SYS_RET1(ERR_INVAL); clear_caps(*c, off, caps); - return (struct sys_ret){OK, 0, 0, 0, 0, 0}; + return SYS_RET1(OK); } |