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These functions require a deep copy of the structure into the
caller-provided buffer. Also make sure to store NULL in result on error.
Use the stream to differentiate the two functions and avoid duplication.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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* Add the missing parameter to __register_atfork.
* Sort and document functions.
__pthread_register_cancel and __pthread_unregister_cancel should be
implemented at some point, or else pthread_cleanup_pop(true) will not
work properly and could cause deadlocks in programs that use it.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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* Add finite() variants, needed by some applications.
* Add remaining long double variants of existing functions.
* Sort and document existing functions, including where referenced in
the LSB standard.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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Changes to existing code:
* Make explicit comparison against NULL.
* Adjust debug message for readability.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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Rename the file to match the header it implements functions from.
Changes to existing code:
* Fix the return value from backtrace (off by one).
* Use __builtin_extract_return_addr as recommended in gcc documentation.
* Document header usage.
* Document where the functions are referenced in the LSB standard.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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* Prefer providing the underscore-prefixed symbol as the strong
definition.
* Do not use a weak alias if the alias is also underscore-prefixed.
* Make libgcompat objects depend on the new header.
[NOTE: I originally took the weak_alias macro from musl's libc.h, but
it's trivial and the same pattern already in use. If desired, I
can add the musl copyright notice.]
Signed-off-by: Samuel Holland <samuel@sholland.org>
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* Apply clang-format.
* Change all comments to the same style.
* Add braces as dictated by the coding style guidelines.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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This duplicates the semicolon at the end of the macro, but it prevents
clang-format from getting confused. This is only temporary until the
macro is updated in a later commit.
Signed-off-by: Samuel Holland <samuel@sholland.org>
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Linux/aarch64 does not define SYS__sysctl. This caused build errors in
Alpine[1] and Void[2].
While I'm in here, fix up headers since we don't need errno or strings.
[1]: https://git.alpinelinux.org/cgit/aports/commit/?id=400a9d40
[2]: https://github.com/voidlinux/void-packages/commit/a7aa924e
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__memalign is not necessary as musl already provides it.
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pthread implementation
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