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v4l: O_NONBLOCK flag should be OR'ed to O_RDWR or mmap will fail below 

Closes #1299
This commit is contained in:
Geraldo Nascimento 2022-05-03 18:56:28 -03:00 committed by rdb
parent 98314da00f
commit 5ceaf66079
1 changed files with 1 additions and 1 deletions
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2
panda/src/vision/webcamVideoCursorV4L.cxx
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@ -217,7 +217,7 @@ WebcamVideoCursorV4L(WebcamVideoV4L *src) : MovieVideoCursor(src) {
int mode = O_RDWR;
if (!v4l_blocking) {
mode = O_NONBLOCK;
mode |= O_NONBLOCK;
}
_fd = open(src->_device.c_str(), mode);