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Fixed a couple of missing event notifications. Some more debugging 

messages.
This commit is contained in:
Ove Kaaven 1999-05-29 11:05:38 +00:00 committed by Alexandre Julliard
parent 365c54e77a
commit a811ea5d82
1 changed files with 12 additions and 2 deletions
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14
misc/comm.c
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@ -235,6 +235,7 @@ static void comm_notification(int fd,void*private)
WORD mask = 0;
int cid = GetCommPort_fd(fd);
TRACE(comm, "async notification\n");
/* read data from comm port */
prev = comm_inbuf(ptr);
do {
@ -249,8 +250,10 @@ static void comm_notification(int fd,void*private)
if (ptr->ibuf_head >= ptr->ibuf_size)
ptr->ibuf_head = 0;
/* flag event */
if (ptr->eventmask & EV_RXCHAR)
if (ptr->eventmask & EV_RXCHAR) {
*(WORD*)(unknown[cid]) |= EV_RXCHAR;
mask |= CN_EVENT;
}
/* FIXME: check for event character (EV_RXFLAG) */
}
}
@ -278,8 +281,10 @@ static void comm_notification(int fd,void*private)
if (ptr->obuf_tail >= ptr->obuf_size)
ptr->obuf_tail = 0;
/* flag event */
if ((ptr->obuf_tail == ptr->obuf_head) && (ptr->eventmask & EV_TXEMPTY))
if ((ptr->obuf_tail == ptr->obuf_head) && (ptr->eventmask & EV_TXEMPTY)) {
*(WORD*)(unknown[cid]) |= EV_TXEMPTY;
mask |= CN_EVENT;
}
}
} while (len > 0);
/* check for notification */
@ -291,6 +296,7 @@ static void comm_notification(int fd,void*private)
/* send notifications, if any */
if (ptr->wnd && mask) {
TRACE(comm, "notifying %04x: cid=%d, mask=%02x\n", ptr->wnd, cid, mask);
PostMessage16(ptr->wnd, WM_COMMNOTIFY, cid, mask);
}
}
@ -412,6 +418,7 @@ INT16 WINAPI OpenComm16(LPCSTR device,UINT16 cbInQueue,UINT16 cbOutQueue)
fd = open(COM[port].devicename, O_RDWR | O_NONBLOCK);
if (fd == -1) {
ERR(comm, "error=%d\n", errno);
return IE_HARDWARE;
} else {
unknown[port] = SEGPTR_ALLOC(40);
@ -450,11 +457,14 @@ INT16 WINAPI OpenComm16(LPCSTR device,UINT16 cbInQueue,UINT16 cbOutQueue)
/* not enough memory */
tcsetattr(COM[port].fd,TCSANOW,&m_stat[port]);
close(COM[port].fd);
ERR(comm, "out of memory");
return IE_MEMORY;
}
/* enable async notifications */
ASYNC_RegisterFD(COM[port].fd,comm_notification,&COM[port]);
/* bootstrap notifications, just in case */
comm_notification(COM[port].fd,&COM[port]);
return port;
}
}