зеркало из https://github.com/mozilla/gecko-dev.git
c807158580
There are two parts to this patch; both affect only Linux: 1. The GMP sandbox policy is adjusted to allow certain syscalls used in shared memory creation (ftruncate and fallocate). However, the file broker is not used; the process still has no access to files in /dev/shm. 2. The profiler is not initialized for GMP processes unless memfd_create is available (so the process can create shared memory to send profiling data back, without filesystem access), or the GMP sandbox is disabled (either at runtime or build time). As of this patch, profiling GMP processes on Linux should succeed on distros with kernel >=3.17 (Oct. 2014), but native stack frames won't have symbols (and may be incorrectly unwound, not that it matters much without symbols); see the bug for more info. Pseudo-stack frames and markers should work, however. Differential Revision: https://phabricator.services.mozilla.com/D148470 |
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| chromium-config.mozbuild | ||
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