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Shuhei Matsumoto cf95d4a24f sock: Fix return value of spdk_sock_group_poll to return number of events 
spdk_sock_group_poll() and spdk_sock_group_poll_count() had returned
0 on success. The implementation didn't match the specification
described in the header file, and couldn't be used to collect stats
correctly because 0 means idle.

This patch fixes the return value of spdk_sock_group_poll() and
spdk_sock_group_poll_count() to return number of events and
the callers not to overwrite the return value by 0.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I7e2a17187fc74ea44d3acf2f35d63f5e5a254eda
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463710
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2019-08-02 00:19:43 +00:00
..
assert.h include: move standard includes into spdk/stdinc.h 2017-05-08 10:11:01 -07:00
barrier.h barrier: cleanup the file 2019-03-15 19:32:55 +00:00
base64.h util/base64: add base64 lib and unit tests 2018-07-19 00:50:54 +00:00
bdev_module.h bdev: All bdevs now have a UUID. 2019-07-10 01:59:05 +00:00
bdev.h bdev: All bdevs now have a UUID. 2019-07-10 01:59:05 +00:00
bit_array.h util: added bit array bitmask load, store and clear 2018-12-14 15:34:53 +00:00
blob_bdev.h bdev: rename spdk_bdev_module_if -> spdk_bdev_module 2018-03-13 00:55:12 -04:00
blob.h lib/blob: amend docs regarding io_units for spdk_blob_io_*() 2019-07-24 18:26:21 +00:00
blobfs.h blobfs: make internal asynchronous APIs as public APIs 2019-06-28 09:50:50 +00:00
conf.h include/conf: add comments for public APIs 2018-02-26 11:59:09 -05:00
copy_engine.h include/copy_engine.h: add comments for callback functions 2018-05-28 01:45:03 +00:00
cpuset.h cpuset: Expose internal of struct spdk_cpuset in header file 2019-07-04 00:30:22 +00:00
crc16.h util/crc16: Add spdk_crc16_t10dif_copy to use in read strip and write insert 2018-12-20 17:52:29 +00:00
crc32.h util: Move architecture detection to crc32c.c 2019-02-04 19:14:22 +00:00
dif.h dif: Add spdk_dix_remap_ref_tag to remap ref. tag for separate metadata payload 2019-07-11 11:14:22 +00:00
endian.h include: move standard includes into spdk/stdinc.h 2017-05-08 10:11:01 -07:00
env_dpdk.h env: add spdk_env_fini() 2019-03-20 21:05:33 +00:00
env.h env: define minimum alignment for dma-able memory 2019-07-23 04:00:05 +00:00
event.h log: passing user-defined log 2019-06-18 03:56:50 +00:00
fd.h include/fd.h: add comments for pubclic APIs 2018-01-04 12:12:10 -05:00
file.h util: add a new file operation API 2019-05-15 18:54:27 +00:00
ftl.h lib/ftl: Pass ftl conf to write_config rpc function 2019-07-24 18:21:07 +00:00
gpt_spec.h bdev/gpt: dump partition name 2017-07-12 18:12:52 -04:00
histogram_data.h histograms: add function to merge histograms 2018-11-15 23:03:26 +00:00
io_channel.h thread: Rename io_channel.h to thread.h 2018-06-12 15:24:07 +00:00
ioat_spec.h ioat_spec: fix gcc9 warning 2019-06-17 14:09:03 +00:00
ioat.h ioat: add APIs to only build descriptors 2019-02-18 07:44:17 +00:00
iscsi_spec.h iscsi: fix layout of logout request reason field 2017-09-22 16:11:11 -04:00
json.h json: add utilities function enabling itaration over JSON object 2018-10-18 16:07:37 +00:00
jsonrpc.h jsonrpc: always allocate response for request 2019-07-19 20:56:54 +00:00
likely.h include: move standard includes into spdk/stdinc.h 2017-05-08 10:11:01 -07:00
log.h log: passing user-defined log 2019-06-18 03:56:50 +00:00
lvol.h lvol: ensure enum for lvol clear method is the same as blobstore 2019-02-28 20:50:27 +00:00
mmio.h mmio: add functions for 1 and 2 byte I/O accesses 2017-10-13 10:46:00 -04:00
nbd.h nbd: Remove unused spdk_event forward declaration 2019-04-23 20:22:55 +00:00
net.h net: make the net initialization in a correct way 2018-12-20 01:37:50 +00:00
notify.h lib/notify: rename spdk_notify_get_events to spdk_notify_foreach_event 2019-05-07 06:11:27 +00:00
nvme_intel.h nvme: pad struct spdk_nvme_intel_marketing_description_page 2019-06-05 02:46:50 +00:00
nvme_ocssd_spec.h ocssd: add chunk notification log struct 2018-09-27 01:30:45 +00:00
nvme_ocssd.h ocssd: add chunk notification log struct 2018-09-27 01:30:45 +00:00
nvme_spec.h identify: Fix gcc9 unaligned warning. 2019-06-24 09:45:08 +00:00
nvme.h nvme: Don't use spdk/config.h in spdk/nvme.h 2019-07-26 22:17:17 +00:00
nvmf_fc_spec.h NVMe-oF Target: Add FC transport. 2019-07-26 22:17:17 +00:00
nvmf_spec.h nvme: Add the NVMe over fabrics TCP/IP transport support 2018-11-19 20:36:05 +00:00
nvmf.h nvme: Don't use spdk/config.h in spdk/nvme.h 2019-07-26 22:17:17 +00:00
opal_spec.h opal: Add multiuser support 2019-07-22 04:32:59 +00:00
opal.h opal: Add multiuser support 2019-07-22 04:32:59 +00:00
pci_ids.h pci_ids: add virtio-vhost-user device id 2019-06-03 20:11:22 +00:00
queue_extras.h scripts/check_format: check for spaces before tabs 2018-03-05 11:09:13 -05:00
queue.h queue: redefine TAILQ_REMOVE for scan-build 2019-07-26 19:28:31 +00:00
reduce.h lib/reduce: change and move the max IOVEC define for reduce 2019-07-29 04:36:59 +00:00
rpc.h rpc: add SPDK_RPC_REGISTER_ALIAS_DEPRECATED 2019-05-07 00:14:53 +00:00
scsi_spec.h scsi: fix SCSI reservation typos 2019-05-30 21:42:36 +00:00
scsi.h scsi: Add data offset to DIF context separately from start block address 2019-06-11 18:53:58 +00:00
sock.h sock: Fix return value of spdk_sock_group_poll to return number of events 2019-08-02 00:19:43 +00:00
stdinc.h ftl: Added unit tests for FTL library 2019-01-22 23:22:16 +00:00
string.h string: spdk_strtol to delegate additional error checking 2019-01-29 00:10:57 +00:00
thread.h thread: Export spdk_set_thread() 2019-07-15 01:34:41 +00:00
trace.h trace: shorten max name from 44 to 24 characters 2019-05-02 08:41:56 +00:00
util.h rdma: Use optimal ceiling integer division 2019-07-22 09:22:11 +00:00
uuid.h util/uuid: add a new uuid copy API. 2018-12-06 22:25:09 +00:00
version.h version: 19.10 pre 2019-07-31 08:25:59 +00:00
vhost.h vhost: add completion callback to lib init 2019-05-02 17:06:34 +00:00
vmd.h lib/vmd: Replace spdk_vmd_probe(bdf) with spdk_vmd_init() 2019-06-11 04:35:31 +00:00