Problem: If a job exits while waiting on another job, the on_exit
handler is queued but f_jobwait() skips it.
Solution: Always do process_wait(), so that handlers are run during
f_jobwait().
fix#8302
Test case:
$ BUSTED_ARGS="--repeat=2000 --no-keep-going" TEST_FILE=test/functional/core/job_spec.lua TEST_FILTER=waiting make functionaltest
Failure example (macOS CI):
FAILED test/functional/core/job_spec.lua: jobs jobwait will run callbacks while waiting
test/functional/core/job_spec.lua:606: Expected objects to be the same.
Passed in:
(table: 0x1be77c80) {
[1] = 'notification'
[2] = 'wait'
*[3] = {
*[1] = 3 } }
Expected:
(table: 0x1be77d10) {
[1] = 'notification'
[2] = 'wait'
*[3] = {
*[1] = 4 } }
stack traceback:
test/functional/core/job_spec.lua:606: in function <test/functional/core/job_spec.lua:583