a75fc765d3
Add `CLOCKS_PER_SEC` and the older `CLK_TCK`. Allows the user to define a `__CLK_TCK` to override if necessary. Also add an extra column for embedded AArch64 in `time.rst`
115 lines
12 KiB
ReStructuredText
115 lines
12 KiB
ReStructuredText
======
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time.h
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======
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.. include:: ../check.rst
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---------------
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Source location
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---------------
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- The main source for time functions is located at: ``libc/src/time``
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---------------------
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Implementation Status
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---------------------
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* To check date and time functions enabled for Linux:
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- `linux-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/x86_64/entrypoints.txt>`_
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- `linux-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/aarch64/entrypoints.txt>`_
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- `linux-aarch32 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/arm/entrypoints.txt>`_
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- `linux-riscv and linux-riscv32 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/riscv/entrypoints.txt>`_
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* To check date and time functions enabled for Windows:
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- `windows-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/windows/entrypoints.txt>`_
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- windows-aarch64 - to be added
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* To check date and time functions enabled for macOS:
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- `darwin-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/darwin/x86_64/entrypoints.txt>`_
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- `darwin-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/darwin/arm/entrypoints.txt>`_
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* To check date and time functions enabled for GPU:
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- `gpu-entrypoints <https://github.com/llvm/llvm-project/tree/main/libc/config/gpu/entrypoints.txt>`_
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* To check date and time functions enabled for embedded system:
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- `barebone-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/aarch64/entrypoints.txt>`_
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- `barebone-aarch32 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/arm/entrypoints.txt>`_
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- barebone-riscv32 - to be added
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+---------------------+-----------------------------------------------+-------------------+-------------------+-----------------------------+---------+---------+
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| <Func> | Linux | Windows | MacOS | Embedded | GPU |
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| +---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| | x86_64 | aarch64 | aarch32 | riscv64/riscv32 | x86_64 | aarch64 | x86_64 | aarch64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
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+=====================+=========+=========+=========+=================+=========+=========+=========+=========+=========+=========+=========+=========+=========+
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| asctime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| asctime_r | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| ctime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| ctime_r | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock_getcpuclockid | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock_getres | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock_gettime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock_nanosleep | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| clock_settime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| ctime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| ctime_r | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| difftime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| getdate | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| gettimeofday | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| gmtime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| gmtime_r | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| localtime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| localtime_r | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| mktime | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| nanosleep | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| strftime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| strptime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| time | |check| | |check| | | |check| | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| timer_create | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| timer_delete | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| timer_gettime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| timer_getoverrun | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| timer_settime | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
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| tzset | | | | | | | | | | | | | |
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+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+ |