diff options
Diffstat (limited to 'common/uapi/cap.c')
| -rw-r--r-- | common/uapi/cap.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/common/uapi/cap.c b/common/uapi/cap.c index b094c43..f681e8d 100644 --- a/common/uapi/cap.c +++ b/common/uapi/cap.c @@ -29,6 +29,7 @@ static capflags_t *__get_tcb_caps(id_t tid, size_t off) /** * Set capabilities. * + * @param t Current tcb. * @param tid Thread ID whose capabilities to set. * @param off Offset of capability, multiple of \c bits(cap). * @param caps Mask of capabilities to set. @@ -38,37 +39,37 @@ SYSCALL_DEFINE3(set_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { if (!is_set(t->caps, CAP_CAPS)) - return SYS_RET1(ERR_PERM); + return_args(t, SYS_RET1(ERR_PERM)); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return SYS_RET1(ERR_INVAL); + return_args(t, SYS_RET1(ERR_INVAL)); set_caps(*c, off, caps); - return SYS_RET1(OK); + return_args(t, SYS_RET1(OK)); } /** * Get capabilities. * + * @param t Current tcb. * @param tid Thread ID whose capabilities to get. * @param off Offset of capability, multiple of \c bits(cap). * @return \ref OK, capabilities. */ SYSCALL_DEFINE2(get_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off) { - UNUSED(t); - capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return SYS_RET1(ERR_INVAL); + return_args(t, SYS_RET1(ERR_INVAL)); - return SYS_RET2(OK, get_caps(*c, off)); + return_args(t, SYS_RET2(OK, get_caps(*c, off))); } /** * Clear capabilities. * + * @param t Current tcb. * @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. @@ -79,12 +80,12 @@ SYSCALL_DEFINE3(clear_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { if (!is_set(t->caps, CAP_CAPS)) - return SYS_RET1(ERR_PERM); + return_args(t, SYS_RET1(ERR_PERM)); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return SYS_RET1(ERR_INVAL); + return_args(t, SYS_RET1(ERR_INVAL)); clear_caps(*c, off, caps); - return SYS_RET1(OK); + return_args(t, SYS_RET1(OK)); } |