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jl_setjmp is not exported on Windows, making it impossible to use the JL_TRY/JL_CATCH macros when embedding Julia #42245

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Taaitaaiger opened this issue Sep 14, 2021 · 0 comments · Fixed by #42267
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jl_setjmp is not exported on Windows, making it impossible to use the JL_TRY/JL_CATCH macros when embedding Julia #42245

Taaitaaiger opened this issue Sep 14, 2021 · 0 comments · Fixed by #42267
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@JeffBezanson
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regression Regression in behavior compared to a previous version
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1.7

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@Taaitaaiger
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Taaitaaiger commented Sep 14, 2021 •
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On Windows jl_setjmp is implemented in assembly here (64 bit) and here (32 bit). On Linux, jl_setjmp is an "alias" to sigsetjmp. The result is that if the JL_TRY/JL_CATCH macros are used when embedding Julia on Linux they work successfully because suigsetjmp can be found in libc, but when embedding on Windows instead it fails because jl_setjmp is not exported.

The easiest way to reproduce this error is to wrap the call to jl_eval_string in the example found here with JL_TRY/JL_CATCH. I've used MINGW to compile the code, the instructions for MSVC didn't work but I haven't investigated this further because I have very little experience with developing on Windows and Visual Studio.
@vtjnash vtjnash added this to the 1.7 milestone Sep 14, 2021
@vtjnash vtjnash added the regression Regression in behavior compared to a previous version label Sep 14, 2021
@JeffBezanson JeffBezanson self-assigned this Sep 15, 2021
JeffBezanson added a commit that referenced this issue Sep 15, 2021
@JeffBezanson
fix #42245, export jl_setjmp on windows
c142656
@JeffBezanson JeffBezanson mentioned this issue Sep 15, 2021
Merged
vtjnash pushed a commit that referenced this issue Sep 16, 2021
@JeffBezanson
export jl_setjmp on windows (#42267)
c5f3487 
fix #42245
KristofferC pushed a commit that referenced this issue Sep 23, 2021
@JeffBezanson @KristofferC
export jl_setjmp on windows (#42267)
f6e3388 
fix #42245

(cherry picked from commit c5f3487)
KristofferC pushed a commit that referenced this issue Sep 28, 2021
@JeffBezanson @KristofferC
export jl_setjmp on windows (#42267)
b03841b 
fix #42245
@Taaitaaiger Taaitaaiger mentioned this issue Dec 5, 2021
Closed
LilithHafner pushed a commit to LilithHafner/julia that referenced this issue Feb 22, 2022
@JeffBezanson @LilithHafner
export jl_setjmp on windows (JuliaLang#42267)
620967b 
fix JuliaLang#42245
LilithHafner pushed a commit to LilithHafner/julia that referenced this issue Mar 8, 2022
@JeffBezanson @LilithHafner
export jl_setjmp on windows (JuliaLang#42267)
491440e 
fix JuliaLang#42245
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@JeffBezanson JeffBezanson

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regression Regression in behavior compared to a previous version
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fix #42245, export jl_setjmp on windows JuliaLang/julia
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@vtjnash @JeffBezanson @Taaitaaiger