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30 lines
1.1 KiB
30 lines
1.1 KiB
4 months ago
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// Test that compiling using a PCH doesn't leak file descriptors.
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// https://bugs.chromium.org/p/chromium/issues/detail?id=924225
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//
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// This test requires bash loops and ulimit.
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// REQUIRES: shell
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// UNSUPPORTED: win32
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//
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// Set up source files. lib/lib.h includes lots of lib*.h files in that dir.
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// client.c includes lib/lib.h, and also the individual files directly.
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//
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// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: cd %t
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// RUN: mkdir lib
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// RUN: for i in {1..300}; do touch lib/lib$i.h; done
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// RUN: for i in {1..300}; do echo "#include \"lib$i.h\"" >> lib/lib.h; done
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// RUN: echo "#include \"lib/lib.h\"" > client.c
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// RUN: for i in {1..300}; do echo "#include \"lib/lib$i.h\"" >> client.c; done
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//
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// We want to verify that we don't hold all the files open at the same time.
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// This is important e.g. on mac, which has a low default FD limit.
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// RUN: ulimit -n 100
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//
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// Test without PCH.
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// RUN: %clang_cc1 -fsyntax-only -Ilib/ client.c
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//
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// Test with PCH.
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// RUN: %clang_cc1 -emit-pch -o pch -Ilib/ client.c
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// RUN: %clang_cc1 -include-pch pch -Ilib/ client.c -fsyntax-only
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