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======
time.h
======
.. include:: ../check.rst
---------------
Source location
---------------
- The main source for time functions is located at: ``libc/src/time``
---------------------
Implementation Status
---------------------
* To check date and time functions enabled for Linux:
- `linux-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/x86_64/entrypoints.txt>`_
- `linux-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/aarch64/entrypoints.txt>`_
- `linux-aarch32 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/arm/entrypoints.txt>`_
- `linux-riscv and linux-riscv32 <https://github.com/llvm/llvm-project/tree/main/libc/config/linux/riscv/entrypoints.txt>`_
* To check date and time functions enabled for Windows:
- `windows-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/windows/entrypoints.txt>`_
- windows-aarch64 - to be added
* To check date and time functions enabled for macOS:
- `darwin-x86_64 <https://github.com/llvm/llvm-project/tree/main/libc/config/darwin/x86_64/entrypoints.txt>`_
- `darwin-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/darwin/arm/entrypoints.txt>`_
* To check date and time functions enabled for GPU:
- `gpu-entrypoints <https://github.com/llvm/llvm-project/tree/main/libc/config/gpu/entrypoints.txt>`_
* To check date and time functions enabled for embedded system:
- `barebone-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/aarch64/entrypoints.txt>`_
- `barebone-aarch32 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/arm/entrypoints.txt>`_
- barebone-riscv32 - to be added
+---------------------+-----------------------------------------------+-------------------+-------------------+-----------------------------+---------+---------+
| <Func> | Linux | Windows | MacOS | Embedded | GPU |
| +---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| | x86_64 | aarch64 | aarch32 | riscv64/riscv32 | x86_64 | aarch64 | x86_64 | aarch64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
+=====================+=========+=========+=========+=================+=========+=========+=========+=========+=========+=========+=========+=========+=========+
| asctime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| asctime_r | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ctime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ctime_r | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock_getcpuclockid | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock_getres | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock_gettime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock_nanosleep | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| clock_settime | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ctime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| ctime_r | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| difftime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| getdate | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| gettimeofday | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| gmtime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| gmtime_r | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| localtime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| localtime_r | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| mktime | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| nanosleep | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| strftime | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| strptime | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| time | |check| | |check| | | |check| | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| timer_create | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| timer_delete | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| timer_gettime | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| timer_getoverrun | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| timer_settime | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
| tzset | | | | | | | | | | | | | |
+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
|
