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zlib: track memory allocated by zlib #21608

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Provide a custom memory allocator for zlib, and track
memory allocated by the library with it.

Right now this “only” makes reported external memory
usage (much) more accurate and protects against zlib memory leaks,
but it generally will enable us to give more accurate memory
usage statistics for zlib.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

Provide a custom memory allocator for zlib, and track
memory allocated by the library with it.

Right now this “only” makes reported external memory
usage (much) more accurate and protects against zlib
memory leaks, but it generally will enable us to give
more accurate memory usage statistics for zlib.
@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. zlib Issues and PRs related to the zlib subsystem. labels Jun 30, 2018
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addaleax commented Jul 3, 2018

@danbev @apapirovski @jasnell Would any of you be interested in reviewing this?

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addaleax commented Jul 3, 2018

@addaleax addaleax added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jul 4, 2018
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LGTM. Would be nice to share more across other places in the codebase, but looks like an improvement over what was there.

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Landed in ed715ef

@addaleax addaleax closed this Jul 10, 2018
@addaleax addaleax deleted the zlib-heap branch July 10, 2018 21:51
addaleax added a commit that referenced this pull request Jul 10, 2018
Provide a custom memory allocator for zlib, and track
memory allocated by the library with it.

Right now this “only” makes reported external memory
usage (much) more accurate and protects against zlib
memory leaks, but it generally will enable us to give
more accurate memory usage statistics for zlib.

PR-URL: #21608
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
targos pushed a commit that referenced this pull request Jul 12, 2018
Provide a custom memory allocator for zlib, and track
memory allocated by the library with it.

Right now this “only” makes reported external memory
usage (much) more accurate and protects against zlib
memory leaks, but it generally will enable us to give
more accurate memory usage statistics for zlib.

PR-URL: #21608
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@targos targos mentioned this pull request Jul 17, 2018
@addaleax addaleax mentioned this pull request Oct 18, 2018
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5 participants