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`timespec_get` is C standard counterpart to POSIX `clock_gettime`. On Linux we simply use `clock_gettime`. On baremetal we introduce a new external API `__llvm_libc_timespec_get_utc` that should be implemented by the vendor.
LLVM libc ========= This directory and its subdirectories contain source code for llvm-libc, a retargetable implementation of the C standard library. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.