src: readlink("/proc/self/exe") -> uv_exename() - #28333
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This commit also adds error handling. A THP-enabled build terminated with an out-of-memory error on a system without /proc because it cast the -1 from readlink() to size_t (i.e. ULONG_MAX) and then tried to allocate a string of that size.
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Would it be overkill to add a comment explaining the situation where this arises so that no one removes this later as unreachable code when reviewing coverage or anything like that? Might even be an OK TODO item for adding a host to the CI that would cause the branch to run? |
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It isn't exercised because there's no CI bot that builds Node.js in this configuration and I don't expect that to happen anytime soon. This feature is only relevant for a tiny subset of the small subset of people that build Node.js from source. |
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Trott
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Trott
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This commit also adds error handling. A THP-enabled build terminated with an out-of-memory error on a system without /proc because it cast the -1 from readlink() to size_t (i.e. ULONG_MAX) and then tried to allocate a string of that size. PR-URL: nodejs#28333 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
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This commit also adds error handling. A THP-enabled build terminated with an out-of-memory error on a system without /proc because it cast the -1 from readlink() to size_t (i.e. ULONG_MAX) and then tried to allocate a string of that size. PR-URL: #28333 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
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This commit also adds error handling. A THP-enabled build terminated with an out-of-memory error on a system without /proc because it cast the -1 from readlink() to size_t (i.e. ULONG_MAX) and then tried to allocate a string of that size. PR-URL: nodejs#28333 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
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This commit also adds error handling. A THP-enabled build terminated
with an out-of-memory error on a system without /proc because it cast
the -1 from readlink() to size_t (i.e. ULONG_MAX) and then tried to
allocate a string of that size.
Caveat emptor: this code path isn't exercised by the CI.