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Diffstat (limited to 'test/PCH/leakfiles')
-rw-r--r-- | test/PCH/leakfiles | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/PCH/leakfiles b/test/PCH/leakfiles new file mode 100644 index 0000000000..90b279026b --- /dev/null +++ b/test/PCH/leakfiles @@ -0,0 +1,29 @@ +// Test that compiling using a PCH doesn't leak file descriptors. +// https://bugs.chromium.org/p/chromium/issues/detail?id=924225 +// +// This test requires bash loops and ulimit. +// REQUIRES: shell +// UNSUPPORTED: win32 +// +// Set up source files. lib/lib.h includes lots of lib*.h files in that dir. +// client.c includes lib/lib.h, and also the individual files directly. +// +// RUN: rm -rf %t +// RUN: mkdir %t +// RUN: cd %t +// RUN: mkdir lib +// RUN: for i in {1..300}; do touch lib/lib$i.h; done +// RUN: for i in {1..300}; do echo "#include \"lib$i.h\"" >> lib/lib.h; done +// RUN: echo "#include \"lib/lib.h\"" > client.c +// RUN: for i in {1..300}; do echo "#include \"lib/lib$i.h\"" >> client.c; done +// +// We want to verify that we don't hold all the files open at the same time. +// This is important e.g. on mac, which has a low default FD limit. +// RUN: ulimit -n 100 +// +// Test without PCH. +// RUN: %clang_cc1 -fsyntax-only -Ilib/ client.c +// +// Test with PCH. +// RUN: %clang_cc1 -emit-pch -o pch -Ilib/ client.c +// RUN: %clang_cc1 -include-pch pch -Ilib/ client.c -fsyntax-only |