Export jl_get_pgcstack from libjulia #41320
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The pgcstack symbol is special because embedders are supposed to define it themselves in localexec tls, and then access it that way. However, there is another case of of libraries that link against julia, but are not embedders, but rather plugins to be loaded later (e.g. CxxWrap). These do need access to the pgcstack, but do not have a priori access to the localexec of the embedder. Thus, re-export the `jl_get_pgcstack` function that provides access to our internal getter for the pgcstack.
vtjnash
approved these changes
Jun 22, 2021
|
Can this please be backported to 1.7, see JuliaPackaging/Yggdrasil#3263 ? |
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johanmon
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Jul 5, 2021
The pgcstack symbol is special because embedders are supposed to define it themselves in localexec tls, and then access it that way. However, there is another case of of libraries that link against julia, but are not embedders, but rather plugins to be loaded later (e.g. CxxWrap). These do need access to the pgcstack, but do not have a priori access to the localexec of the embedder. Thus, re-export the `jl_get_pgcstack` function that provides access to our internal getter for the pgcstack.
KristofferC
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that referenced
this pull request
Jul 5, 2021
The pgcstack symbol is special because embedders are supposed to define it themselves in localexec tls, and then access it that way. However, there is another case of of libraries that link against julia, but are not embedders, but rather plugins to be loaded later (e.g. CxxWrap). These do need access to the pgcstack, but do not have a priori access to the localexec of the embedder. Thus, re-export the `jl_get_pgcstack` function that provides access to our internal getter for the pgcstack. (cherry picked from commit e469a1e)
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The pgcstack symbol is special because embedders are supposed to
define it themselves in localexec tls, and then access it that way.
However, there is another case of of libraries that link against
julia, but are not embedders, but rather plugins to be loaded later
(e.g. CxxWrap). These do need access to the pgcstack, but do not
have a priori access to the localexec of the embedder. Thus,
re-export the
jl_get_pgcstackfunction that provides accessto our internal getter for the pgcstack.