diff options
Diffstat (limited to 'libgui/msg.c')
| -rw-r--r-- | libgui/msg.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libgui/msg.c b/libgui/msg.c index bf3d28c..4576a5f 100644 --- a/libgui/msg.c +++ b/libgui/msg.c @@ -5,19 +5,23 @@ #include <print.h> #include <sys.h> +static struct message msg_buf = { 0 }; + int msg_send(u32 pid, enum message_type type, void *data) { assert((signed)pid != -1); char path[32] = { 0 }; sprintf(path, "/proc/%d/msg", pid); - struct message msg = { .magic = MSG_MAGIC, .src = getpid(), .type = type, .data = data }; - return write(path, &msg, 0, sizeof(msg)); + msg_buf.magic = MSG_MAGIC; + msg_buf.src = getpid(); + msg_buf.type = type; + msg_buf.data = data; + return write(path, &msg_buf, 0, sizeof(msg_buf)); } int msg_receive(struct message *msg) { int ret = read("/proc/self/msg", msg, 0, sizeof(*msg)); - assert(msg->magic == MSG_MAGIC); // TODO: Remove? (Many >0 checks are needed) if (msg->magic == MSG_MAGIC && ret == sizeof(*msg)) return ret; else |