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| author | Thierry MERLE <thierry.merle@free.fr> | 2008-07-01 21:18:23 +0200 |
|---|---|---|
| committer | Thierry MERLE <thierry.merle@free.fr> | 2008-07-01 21:18:23 +0200 |
| commit | 10bc397f22cbd930c1d4d932ec929979d75865b1 (patch) | |
| tree | ede1765562d9ef8eaed11818ab9f97be490559f7 /v4l2-apps/lib/libv4l/README.multi-threading | |
| parent | 1e8ee38c5ab44a4b296a8d47c22691d82e7515be (diff) | |
| download | mediapointer-dvb-s2-10bc397f22cbd930c1d4d932ec929979d75865b1.tar.gz mediapointer-dvb-s2-10bc397f22cbd930c1d4d932ec929979d75865b1.tar.bz2 | |
v4l2-library: global files
From: Hans de Goede <j.w.r.degoede at hhs.nl>
Global files to make the libv4l compile, install and exported into a tar.gz file
Signed-off-by: Hans de Goede <j.w.r.degoede at hhs.nl>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Diffstat (limited to 'v4l2-apps/lib/libv4l/README.multi-threading')
| -rw-r--r-- | v4l2-apps/lib/libv4l/README.multi-threading | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/v4l2-apps/lib/libv4l/README.multi-threading b/v4l2-apps/lib/libv4l/README.multi-threading new file mode 100644 index 000000000..93b393c8c --- /dev/null +++ b/v4l2-apps/lib/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 |