feat(sidecar): add thread mode as fallback connection for restricted environments by Leiyks · Pull Request #3573 · DataDog/dd-trace-php

feat(tracer): add configuration for connection mode

Leiyks

committed

feat(tracer): add sidecar thread listener module

Leiyks

committed

feat(tracer): implement threaded connection fallback

Leiyks

committed

fix: compilation error

Leiyks

committed

fix(tracer): remove debug logs

Leiyks

committed

feat(tracer): add connection mode and function thread mode tests

Leiyks

committed

feat(tracer): fix fork with thread mode

Leiyks

committed

apply feedbacks

Leiyks

committed

feat(sidecar): support threaded connection for windows

Leiyks

committed

chore: apply feedbacks

Leiyks

committed

chore: regenerate supported-configurations.json for DD_TRACE_SIDECAR_CONNECTION_MODE

Leiyks

committed

fix(tests): remove diagnostics-with-body from replayDebuggerData() filter

Leiyks

committed

fix(tests): update debugger_span_decoration_probe for libdatadog fallback routing

Leiyks

committed

fix(sidecar): fallback to own master when parent thread listener unavailable

Leiyks

committed

fix(sidecar): promote orphaned child to master in thread mode reconnect path

Leiyks

committed

fix(sidecar): encode master uid in thread-mode socket name for setuid compatibility

Leiyks

committed

chore: update libdatadog submodule (fix Windows compilation)

Leiyks

committed

fix(sidecar): thread mode uses abstract socket, fix ASAN warnings

Leiyks

committed

chore: bump cbindgen

Leiyks

committed

fix(test): suppress LSan leak detection in orphan fork test

Leiyks

committed

fix(sidecar): set SHM open mode to 0644 when master runs as root

Leiyks

committed

revert: remove --allow-to-run-as-root from php-fpm test helper

Leiyks

committed

fix(sidecar): remove set_shm_open_mode, use fchown approach for cross-user SHM

Leiyks

committed

fix(sidecar): prevent worker processes from starting their own listener thread

Leiyks

committed

test(sidecar): add FPM root+user-switch test for thread mode cross-user SHM

Leiyks

committed

fix(tests): remove void return type for PHP 7.0 compatibility

Leiyks

committed

test(sidecar): force fpm-fcgi mode in root test to run in all CI jobs

Leiyks

committed

test(sidecar): fix flaky multi-worker trace assertion

Leiyks

committed

test(sidecar): allow root FPM test to run via sudo in CI

Leiyks

committed

fix(tests): avoid global env pollution from putenv in SidecarThreadModeRootTest

Leiyks

committed

test(sidecar): skip root FPM test under apache2handler SAPI

Leiyks

committed

chore: update one pipeline

Leiyks

committed

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feat(sidecar): add thread mode as fallback connection for restricted environments#3573

feat(sidecar): add thread mode as fallback connection for restricted environments#3573
Leiyks merged 32 commits intomasterfrom
leiyks/sidecar-threaded-fallback

Commits on Mar 20, 2026

feat(tracer): add configuration for connection mode

feat(tracer): add sidecar thread listener module

feat(tracer): implement threaded connection fallback

fix: compilation error

fix(tracer): remove debug logs

feat(tracer): add connection mode and function thread mode tests

feat(tracer): fix fork with thread mode

apply feedbacks

feat(sidecar): support threaded connection for windows

chore: apply feedbacks

chore: regenerate supported-configurations.json for DD_TRACE_SIDECAR_CONNECTION_MODE

fix(tests): remove diagnostics-with-body from replayDebuggerData() filter

fix(tests): update debugger_span_decoration_probe for libdatadog fallback routing

fix(sidecar): fallback to own master when parent thread listener unavailable

fix(sidecar): promote orphaned child to master in thread mode reconnect path

fix(sidecar): encode master uid in thread-mode socket name for setuid compatibility

chore: update libdatadog submodule (fix Windows compilation)

fix(sidecar): thread mode uses abstract socket, fix ASAN warnings

chore: bump cbindgen

fix(test): suppress LSan leak detection in orphan fork test

fix(sidecar): set SHM open mode to 0644 when master runs as root

revert: remove --allow-to-run-as-root from php-fpm test helper

fix(sidecar): remove set_shm_open_mode, use fchown approach for cross-user SHM

fix(sidecar): prevent worker processes from starting their own listener thread

test(sidecar): add FPM root+user-switch test for thread mode cross-user SHM

fix(tests): remove void return type for PHP 7.0 compatibility

test(sidecar): force fpm-fcgi mode in root test to run in all CI jobs

test(sidecar): fix flaky multi-worker trace assertion

test(sidecar): allow root FPM test to run via sudo in CI

fix(tests): avoid global env pollution from putenv in SidecarThreadModeRootTest

test(sidecar): skip root FPM test under apache2handler SAPI

chore: update one pipeline