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2018-12-03vcl: handle worker process exitFlorin Coras1-5/+8
Change-Id: Ife05d25fd736ae3064f01e974e5aecc5b48de924 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-30vcl: wait for segments with segment handleFlorin Coras1-0/+30
Instead of waiting for notification from binary api. Change-Id: I5ecab857d6bcdbed62d6bb06709570c4cf6b19ea Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-11-29vcl: basic support for apps that forkFlorin Coras1-13/+151
- intercept fork and register a new worker with vpp - share sessions between parent and forked child - keep binary api state per worker Change-Id: Ib177517d661724fa042bd2d98d18e777056352a2 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-09-14vcl: keep track of unexpected eventsFlorin Coras1-0/+2
If sessions are marked as blocking, events for other sessions received while waiting for the blocking sessions, are added to a pending list and processed later. Change-Id: Ia6c71006b1c2bcb78af708390da0cd436af397cc Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-09-08vcl: set worker pthread stop keyFlorin Coras1-1/+5
Otherwise the key destructor is not called on pthread_exit. Change-Id: I11e6b9683a926eecd3f40a44aab41924ff9c3101 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-09-08vcl: register workers in orderFlorin Coras1-4/+13
Change-Id: Ibc74e7f7587f8b17fc0dcec20cc4530b9dd4c3ca Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-30vcl: add support for multi-worker appsFlorin Coras1-35/+182
Add basic support for app registration of multiple workers. LDP does not work with multi-worker apps. Change-Id: I3fc421a2a591a077b275827463f874b261415a63 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-10vcl: support for eventfd mq signalingFlorin Coras1-0/+151
- support eventfd based mq signaling. Based on configuration, vcl epoll/select can use either condvars or epoll on mq eventfds. - add vcl support for memfd segments - vpp explicitly registers cut-through segments with apps/vcl - if using eventfd, make ldp allow one call to libc_epoll_create. Needed for the message queue epfd - update svm_queue_t to allow blocking calls with eventfd signaling. Change-Id: I064151ac370bbe29bb16c968bf4e3659c8286bea Signed-off-by: Florin Coras <fcoras@cisco.com>