Fix fork handling of sidecar

[bwoebi]

Also reduces flakiness of some tests a bit.
This also resolves broken pcntl tests on 8.3 and 8.4.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.07%. Comparing base (c11372f) to head (ce361a9).
Report is 9 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3077      +/-   ##
============================================
+ Coverage     72.97%   73.07%   +0.09%     
  Complexity     2790     2790              
============================================
  Files           139      139              
  Lines         15273    15273              
  Branches       1043     1043              
============================================
+ Hits          11145    11160      +15     
+ Misses         3577     3562      -15     
  Partials        551      551              

Flag	Coverage Δ
appsec-extension	68.37% <ø> (ø)
tracer-php	74.87% <ø> (+0.13%)	⬆️

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see 3 files with indirect coverage changes

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-02-07 16:07:29

Comparing candidate commit ce361a9 in PR branch bob/flaky with baseline commit c11372f in branch master.

Found 34 performance improvements and 0 performance regressions! Performance is the same for 144 metrics, 0 unstable metrics.

scenario:ContextPropagationBench/benchInject64Bit

• 🟩 execution_time [-6.276µs; -6.016µs] or [-79.488%; -76.186%]

scenario:ContextPropagationBench/benchInject64Bit-opcache

• 🟩 execution_time [-6.268µs; -6.068µs] or [-79.258%; -76.736%]

scenario:EmptyFileBench/benchEmptyFileBaseline

• 🟩 execution_time [-742.895µs; -511.025µs] or [-20.199%; -13.894%]

scenario:EmptyFileBench/benchEmptyFileBaseline-opcache

• 🟩 execution_time [-762.166µs; -508.614µs] or [-20.211%; -13.487%]

scenario:EmptyFileBench/benchEmptyFileOverhead

• 🟩 execution_time [-810.000µs; -623.540µs] or [-19.734%; -15.191%]

scenario:EmptyFileBench/benchEmptyFileOverhead-opcache

• 🟩 execution_time [-627.017µs; -441.943µs] or [-15.028%; -10.592%]

scenario:LaravelBench/benchLaravelBaseline

• 🟩 execution_time [-575.414µs; -379.286µs] or [-5.187%; -3.419%]

scenario:LaravelBench/benchLaravelBaseline-opcache

• 🟩 execution_time [-672.225µs; -447.355µs] or [-5.972%; -3.974%]

scenario:LaravelBench/benchLaravelOverhead

• 🟩 execution_time [-1.873ms; -1.583ms] or [-14.054%; -11.879%]

scenario:LaravelBench/benchLaravelOverhead-opcache

• 🟩 execution_time [-1.908ms; -1.515ms] or [-14.193%; -11.269%]

scenario:PDOBench/benchPDOOverhead-opcache

• 🟩 execution_time [-49.246µs; -31.570µs] or [-4.285%; -2.747%]

scenario:PDOBench/benchPDOOverheadWithDBM

• 🟩 execution_time [-58.548µs; -38.059µs] or [-5.054%; -3.285%]

scenario:PDOBench/benchPDOOverheadWithDBM-opcache

• 🟩 execution_time [-55.896µs; -42.700µs] or [-4.749%; -3.628%]

scenario:PHPRedisBench/benchRedisOverhead

• 🟩 execution_time [-83.724µs; -68.472µs] or [-5.124%; -4.191%]

scenario:PHPRedisBench/benchRedisOverhead-opcache

• 🟩 execution_time [-74.502µs; -53.502µs] or [-4.501%; -3.232%]

scenario:SamplingRuleMatchingBench/benchRegexMatching1

• 🟩 execution_time [-6.294µs; -6.128µs] or [-86.735%; -84.451%]

scenario:SamplingRuleMatchingBench/benchRegexMatching1-opcache

• 🟩 execution_time [-6.212µs; -6.002µs] or [-85.272%; -82.388%]

scenario:SamplingRuleMatchingBench/benchRegexMatching2

• 🟩 execution_time [-6.279µs; -6.041µs] or [-86.908%; -83.608%]

scenario:SamplingRuleMatchingBench/benchRegexMatching2-opcache

• 🟩 execution_time [-6.242µs; -5.990µs] or [-84.681%; -81.256%]

scenario:SamplingRuleMatchingBench/benchRegexMatching3

• 🟩 execution_time [-6.267µs; -6.074µs] or [-86.705%; -84.029%]

scenario:SamplingRuleMatchingBench/benchRegexMatching3-opcache

• 🟩 execution_time [-6.127µs; -5.963µs] or [-84.692%; -82.420%]

scenario:SamplingRuleMatchingBench/benchRegexMatching4

• 🟩 execution_time [-6.244µs; -6.058µs] or [-86.654%; -84.079%]

scenario:SamplingRuleMatchingBench/benchRegexMatching4-opcache

• 🟩 execution_time [-6.169µs; -5.955µs] or [-85.167%; -82.207%]

scenario:SpanBench/benchDatadogAPI

• 🟩 execution_time [-19.668µs; -15.241µs] or [-13.188%; -10.219%]

scenario:SpanBench/benchDatadogAPI-opcache

• 🟩 execution_time [-17.514µs; -16.662µs] or [-11.750%; -11.178%]

scenario:SpanBench/benchOpenTelemetryInteroperability

• 🟩 execution_time [-92.573µs; -86.985µs] or [-26.124%; -24.547%]

scenario:SpanBench/benchOpenTelemetryInteroperability-opcache

• 🟩 execution_time [-91.932µs; -85.718µs] or [-27.266%; -25.423%]

scenario:SymfonyBench/benchSymfonyBaseline

• 🟩 execution_time [-558.964µs; -469.176µs] or [-8.005%; -6.719%]

scenario:SymfonyBench/benchSymfonyBaseline-opcache

• 🟩 execution_time [-597.910µs; -455.290µs] or [-8.401%; -6.397%]

scenario:SymfonyBench/benchSymfonyOverhead

• 🟩 execution_time [-1.169ms; -1.081ms] or [-14.063%; -13.002%]

scenario:SymfonyBench/benchSymfonyOverhead-opcache

• 🟩 execution_time [-1.139ms; -1.031ms] or [-13.577%; -12.298%]

scenario:WordPressBench/benchWordPressBaseline-opcache

• 🟩 execution_time [-741.067µs; -531.453µs] or [-3.162%; -2.268%]

scenario:WordPressBench/benchWordPressOverhead

• 🟩 execution_time [-6.680ms; -6.453ms] or [-19.680%; -19.011%]

scenario:WordPressBench/benchWordPressOverhead-opcache

• 🟩 execution_time [-6.599ms; -6.401ms] or [-19.401%; -18.818%]