Add check macro

[vchuravy]

No description provided.

[vchuravy]

[fv-az32-359:2714 :0:2714] Caught signal 11 (Segmentation fault: address not mapped to object at address 0x3feffffffbc)
==== backtrace ====
    0  /home/runner/.julia/artifacts/3e7b91104bff0b800e745b2ea692742e46cb2bc1/lib/libucs.so.0(+0x23e0e) [0x7f22d212ae0e]
    1  /home/runner/.julia/artifacts/3e7b91104bff0b800e745b2ea692742e46cb2bc1/lib/libucs.so.0(+0x2408b) [0x7f22d212b08b]
    2  [0x7f22d0adcfc9]
===================

signal (11): Segmentation fault
in expression starting at /home/runner/work/UCX.jl/UCX.jl/examples/client_server.jl:63
unknown function (ip: 0x7f22d0adcfc9)
ucs_callbackq_slow_proxy at /workspace/srcdir/ucx-1.7.0/src/ucs/datastruct/callbackq.c:397
ucs_callbackq_dispatch at /workspace/srcdir/ucx-1.7.0/src/ucs/datastruct/callbackq.h:211 [inlined]
uct_worker_progress at /workspace/srcdir/ucx-1.7.0/src/uct/api/uct.h:2203 [inlined]
ucp_worker_progress at /workspace/srcdir/ucx-1.7.0/src/ucp/core/ucp_worker.c:1897
ucp_worker_progress at /home/runner/work/UCX.jl/UCX.jl/src/api/libucp_api.jl:74 [inlined]
progress at /home/runner/work/UCX.jl/UCX.jl/src/UCX.jl:195 [inlined]
start_server at /home/runner/work/UCX.jl/UCX.jl/examples/client_server.jl:43
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2224 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2406
#4 at ./task.jl:406
unknown function (ip: 0x7f22ed02e2fc)
_jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2224 [inlined]
jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2406
jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1703 [inlined]
start_task at /buildworker/worker/package_linux64/build/src/task.c:839
unknown function (ip: (nil))
Allocations: 1384130 (Pool: 1383805; Big: 325); GC: 2

Hmmm.