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add realloc wrapper, fix pthread_join overwrite issue (#605)

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Xu Jun
2021-04-09 15:27:12 +08:00
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parent dfe52ab42f
commit 09eb858a02
9 changed files with 113 additions and 2 deletions
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doc/pthread_library.md
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@ -57,7 +57,7 @@ To build this C program into WebAssembly app with libc-builtin, you can use this
You can also build this program with WASI, but we need to make some changes to wasi-sysroot:
1. disable malloc/free of wasi if the wasi-sdk version is smaller than wasi-sdk-12.0 (not include 12.0), as they don't support shared memory:
1. disable malloc/free of wasi, as they are not atomic operations:
``` bash
/opt/wasi-sdk/bin/llvm-ar -d /opt/wasi-sdk/share/wasi-sysroot/lib/wasm32-wasi/libc.a dlmalloc.o
```