riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

gnrc netreg: make message queue mandatory

Browse Source 
Any thread that registers for gnrc events (i.e. incoming packets) must provide a message queue.
This commit is contained in:
Oleg Hahm 2015-09-30 19:12:27 +02:00
parent 4e05254eb7
commit 2e342c7e9b
2 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/include/net/gnrc/netreg.h
View File

@ -79,6 +79,8 @@ void gnrc_netreg_init(void);
* @warning Call gnrc_netreg_unregister() *before* you leave the context you * @warning Call gnrc_netreg_unregister() *before* you leave the context you
* allocated @p entry in. Otherwise it might get overwritten. * allocated @p entry in. Otherwise it might get overwritten.
* *
* @pre The calling thread must provide a message queue.
*
* @return 0 on success * @return 0 on success
* @return -EINVAL if @p type was < GNRC_NETTYPE_UNDEF or >= GNRC_NETTYPE_NUMOF * @return -EINVAL if @p type was < GNRC_NETTYPE_UNDEF or >= GNRC_NETTYPE_NUMOF
*/ */

3
sys/net/gnrc/netreg/gnrc_netreg.c
View File

@ -37,6 +37,9 @@ void gnrc_netreg_init(void)
int gnrc_netreg_register(gnrc_nettype_t type, gnrc_netreg_entry_t *entry) int gnrc_netreg_register(gnrc_nettype_t type, gnrc_netreg_entry_t *entry)
{ {
/* only threads with a message queue are allowed to register at gnrc */
assert(sched_active_thread->msg_array);
if (_INVALID_TYPE(type)) { if (_INVALID_TYPE(type)) {
return -EINVAL; return -EINVAL;
} }