diff options
Diffstat (limited to 'libc/inc/sys.h')
| -rw-r--r-- | libc/inc/sys.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/libc/inc/sys.h b/libc/inc/sys.h index 3145432..c846b4b 100644 --- a/libc/inc/sys.h +++ b/libc/inc/sys.h @@ -98,14 +98,13 @@ int sysv(enum sys num, ...); #define event_unregister(id) sys1(SYS_UNREGISTER, (int)(id)) #define msg_send(pid, type, msg) sys3(SYS_SEND, (int)(pid), (int)(type), (int)(msg)) -#define msg_receive() (struct message *)sys0(SYS_RECEIVE) +#define msg_receive(buf) (struct message *)sys1(SYS_RECEIVE, (int)(buf)) #define getpid() (int)sys0(SYS_GETPID) -static inline struct message *msg_receive_loop() +static inline struct message *msg_receive_loop(struct message *buf) { - struct message *msg; - while (!(msg = msg_receive())) + while (!msg_receive(&buf)) yield(); - return msg; + return buf; } // Simple read wrapper |