Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Small cleanup, added a comment to some obscure code

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9898 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2004-11-10 12:43:06 +00:00
parent 9bcc882ae1
commit bdd5913945
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/kits/device/SerialPort.cpp
View File

@ -22,8 +22,7 @@
#define SERIAL_DIR "/dev/ports"
// Scans a directory and adds the entries it founds as strings to the
// given list. TODO: It should be moved to another place, since it could be
// used by BJoystick too.
// given list
static int32
scan_directory(const char *directory, BList *list)
{
@ -115,9 +114,11 @@ BSerialPort::Open(const char *portName)
ffd = open(buf, O_RDWR | O_NONBLOCK | O_EXCL);
if (ffd >= 0) {
//Setup the port
int ret = fcntl(ffd, F_GETFL);
fcntl(ffd, F_SETFL, ret & 0x7F);
// we used open() with O_NONBLOCK flag to let it return immediately,
// but we want read/write operations to block if needed,
// so we clear that bit here.
int flags = fcntl(ffd, F_GETFL);
fcntl(ffd, F_SETFL, flags & ~O_NONBLOCK);
DriverControl();
}