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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-02-13 20:13:17 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-02-13 20:13:17 -0200 |
| commit | adff0f37dc0f0ab48850eaad267223c634e975a2 (patch) | |
| tree | c6aa3e259581abeb64eb7590b29a60354ec5a5ee /v4l2-apps/libv4l/README.multi-threading | |
| parent | e2b4212172d81f17f5e4741766f032d06e83ce4f (diff) | |
| parent | f25ebd42bbb82866dfbbba5b7bfc651315fa6416 (diff) | |
| download | mediapointer-dvb-s2-adff0f37dc0f0ab48850eaad267223c634e975a2.tar.gz mediapointer-dvb-s2-adff0f37dc0f0ab48850eaad267223c634e975a2.tar.bz2 | |
merge: http://linuxtv.org/hg/~tap/bttv
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'v4l2-apps/libv4l/README.multi-threading')
| -rw-r--r-- | v4l2-apps/libv4l/README.multi-threading | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/README.multi-threading b/v4l2-apps/libv4l/README.multi-threading new file mode 100644 index 000000000..93b393c8c --- /dev/null +++ b/v4l2-apps/libv4l/README.multi-threading @@ -0,0 +1,12 @@ +libv4lconvert is not safe for using one convert instance as returned by +v4lconvert_create from multiple threads, if you want to use one v4lconvert +instance from multiple threads you must provide your own locking and make +sure no simultanious calls are made. + +libv4l1 and libv4l2 are safe for multithread use *under* *the* *following* +*conditions* : + +* when using v4lx_fd_open, do not make any v4lx_ calls to the passed fd until + v4lx_fd_open has completed + +* all v4lx_ calls must be completed before calling v4lx_close |