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doc: several properties undocumented on child process #27206

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martinheidegger opened this issue Apr 13, 2019 · 1 comment
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doc: several properties undocumented on child process #27206

martinheidegger opened this issue Apr 13, 2019 · 1 comment
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child_process Issues and PRs related to the child_process subsystem. doc Issues and PRs related to the documentations.

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@martinheidegger
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Tracking back as far as Node 0.12 it seems that the documentation for ChildProcess is missing several properties.

  • exitCode - if the process exited will contain the exit code, else null. Useful in combination with killed → if (proc.exitCode !== null || proc.killed) to see if the process is still running.
  • signalCode - not sure what that is good for.
  • spawnfile & spawnargs the initial properties of the spawning. In combination with exec will show what shell is used. Useful for debugging.
@Trott Trott added doc Issues and PRs related to the documentations. child_process Issues and PRs related to the child_process subsystem. labels Apr 13, 2019
@sam-github
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signalCode - not sure what that is good for.

Its probably the pair of exitCode -- if process terminated, it was either because it exited or it was signalled, in which case one or the other would be set. So, your example above would probably only work if the child was signalled from the node parent. If it was signalled from elsewhere (the shell?), or was signalled by the OS (segfault, SIGHUP), proc.killed would probably not be set.

HarshithaKP added a commit to HarshithaKP/node that referenced this issue Jan 13, 2020
@HarshithaKP
doc: document missing properties in child_process
e968865 
fixes:nodejs#27206
@HarshithaKP HarshithaKP mentioned this issue Jan 13, 2020
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@Trott Trott closed this as completed in 3299de8 Jan 16, 2020
codebytere pushed a commit that referenced this issue Feb 17, 2020
@HarshithaKP @codebytere
doc: document missing properties in child_process
91f5e9b 
Add documentation for subprocess.exitCode, subprocess.signalCode,
subprocess.spawnargs, and subprocess.spawnfile.

PR-URL: #31342
Fixes: #27206
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
codebytere pushed a commit that referenced this issue Mar 14, 2020
@HarshithaKP @codebytere
doc: document missing properties in child_process
c11213e 
Add documentation for subprocess.exitCode, subprocess.signalCode,
subprocess.spawnargs, and subprocess.spawnfile.

PR-URL: #31342
Fixes: #27206
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
codebytere pushed a commit that referenced this issue Mar 17, 2020
@HarshithaKP @codebytere
doc: document missing properties in child_process
b4d15a9 
Add documentation for subprocess.exitCode, subprocess.signalCode,
subprocess.spawnargs, and subprocess.spawnfile.

PR-URL: #31342
Fixes: #27206
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
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