Having the SubprocessMemory class available on Android was causing build
failures in downstream builds as Android doesn't implement the SystemV
IPC specification that supplies shm_open and other functions that the
class relies on. This patch simply makes it unavailable on Android using
preprocessor directives.
Currently the shm_unlink is never called on the auxiliary memory shared
memory, so it stays around after running llvm-exegesis (including
running the llvm-exegesis tests). This patch adds the auxiliary memory
shared memory name to the SharedMemoryNames list so that it gets
unlinked when the destructor of SubprocessMemory is called.
This patch introduces the SubprocessMemory class to llvm-exegesis. This
class contains several utilities that are needed for managing memory to
set up an execution environment for memory annotations.
Reviewed By: courbet
Differential Revision: https://reviews.llvm.org/D151022
This reverts commit 0b6b400b98b921279fc08c63a2a68ebfcb12a3e2.
The sporadic test failures were fixed during this land, but I forgot to
fix the build failures on certain platforms (seems to mostly be
AArch64/PPC) that result from them not being able to find the symbols
for shm_open and shm_unlink.
This patch introduces the SubprocessMemory class to llvm-exegesis. This
class contains several utilities that are needed for managing memory to
set up an execution environment for memory annotations.
Reviewed By: courbet
Differential Revision: https://reviews.llvm.org/D151022
This reverts commit 1b9b78fd481a13b54afaf4804ee4ad18fcf006fd.
There are spurious test failures on the ml-* bots and some of the ARM
builders are complaining about shm_open being missing. Pulling this
commit so that I can investigate after I sleep.
This patch introduces the SubprocessMemory class to llvm-exegesis. This
class contains several utilities that are needed for managing memory to
set up an execution environment for memory annotations.
Reviewed By: courbet
Differential Revision: https://reviews.llvm.org/D151022
