[libc] remove errno.h includes (#110934)

Reland: [libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions (#93622)


New pull request for https://github.com/llvm/llvm-project/issues/89443

The previous PR was reverted after

Reland: [libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions (#93622)


New pull request for https://github.com/llvm/llvm-project/issues/89443

The previous PR was reverted after breaking fullbuild due to a missing
struct declaration, which I forgot to commit.

Reverts revert and adds the missing pthread_rwlockattr_getkind_np /
pthread_rwlockattr_setkind_np functions and tests respecitvely.

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Revert "[libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions" (#91966)

Reverts llvm/llvm-project#90249

Fullbuild is broken:
https://lab.llvm.org/buildbot/#/builders/163/build

Revert "[libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions" (#91966)

Reverts llvm/llvm-project#90249

Fullbuild is broken:
https://lab.llvm.org/buildbot/#/builders/163/builds/56501

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[libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions (#90249)

Closes #89443

I added the two missing functions and respective test cases. Let me know
if anything needs changin

[libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions (#90249)

Closes #89443

I added the two missing functions and respective test cases. Let me know
if anything needs changing.

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[libc][POSIX][pthreads] implement pthread_rwlockattr_t functions (#89322)

Implement:
- pthread_rwlockattr_destroy
- pthread_rwlockattr_getpshared
- pthread_rwlockattr_init
- pthread_rwlockattr_setps

[libc][POSIX][pthreads] implement pthread_rwlockattr_t functions (#89322)

Implement:
- pthread_rwlockattr_destroy
- pthread_rwlockattr_getpshared
- pthread_rwlockattr_init
- pthread_rwlockattr_setpshared

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[libc] fixup nascent pthread_condattr_test (#89308)

- use namespaced identifiers
- add corresponding headers for namespaced declarations
- replace time.h and errno.h with finer grain includes
- upda

[libc] fixup nascent pthread_condattr_test (#89308)

- use namespaced identifiers
- add corresponding headers for namespaced declarations
- replace time.h and errno.h with finer grain includes
- update cmake

Fixes: #88987
Fixes: #89261
Link: #88997
Link: #89262

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[libc] set cmake dependencies for condattr test (#89103)

The entrypoints are not yet exposed on non-x86. Express this dependency
to
unbreak post submit.

Fixes #88987

[libc][POSIX][pthreads] implement pthread_condattr_t functions (#88987)

Implement:
- pthread_condattr_destroy
- pthread_condattr_getclock
- pthread_condattr_getpshared
- pthread_condattr_init
- pthr

[libc][POSIX][pthreads] implement pthread_condattr_t functions (#88987)

Implement:
- pthread_condattr_destroy
- pthread_condattr_getclock
- pthread_condattr_getpshared
- pthread_condattr_init
- pthread_condattr_setclock
- pthread_condattr_setpshared

Fixes: #88581

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[libc] Run all unit tests, irrespective of whether they belong to a test suite.

Previously, only those unit tests which belonged to a suite were run as
part of libc-unit-tests. It meant that unit te

[libc] Run all unit tests, irrespective of whether they belong to a test suite.

Previously, only those unit tests which belonged to a suite were run as
part of libc-unit-tests. It meant that unit tests not part of any suite
were not being tested. This change makes all unit tests run as part of
libc-unit-tests. The convenience function to add a libc unit test suite
has been removed and add_custom_target is used in its place. One of the
bit-rotting test has along been fixed. Math exhaustive and differential
tests are skipped under full build.

Reviewed By: michaelrj

Differential Revision: https://reviews.llvm.org/D148784

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[libc][NFC] Convert pthread tests which create threads to integration tests.

[libc] Add pthread_create and pthread_join functions.

They do not yet support all the feature/attributes in pthread_attr_t.
Future changes will add such support.

Reviewed By: lntue

Differential Re

[libc] Add pthread_create and pthread_join functions.

They do not yet support all the feature/attributes in pthread_attr_t.
Future changes will add such support.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D126718

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[libc] Add the pthread_mutex_t type.

Simple implementations of the functions pthread_mutex_init,
pthread_mutex_destroy, pthread_mutex_lock and pthread_mutex_unlock have
have also been added. Future

[libc] Add the pthread_mutex_t type.

Simple implementations of the functions pthread_mutex_init,
pthread_mutex_destroy, pthread_mutex_lock and pthread_mutex_unlock have
have also been added. Future patches will extend these functions to add
features required by the POSIX specification.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D126235

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[libc] Add a definition of pthread_attr_t and its getters and setters.

Not all attributes have been added to phtread_attr_t in this patch. They
will be added gradually in future patches.

Reviewed B

[libc] Add a definition of pthread_attr_t and its getters and setters.

Not all attributes have been added to phtread_attr_t in this patch. They
will be added gradually in future patches.

Reviewed By: lntue

Differential Revision: https://reviews.llvm.org/D123423

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[libc] Add pthread_mutexattr_t type and its setters and getters.

A simple implementation of the getters and setters has been added. More
logic can be added to them in future as required.

Reviewed B

[libc] Add pthread_mutexattr_t type and its setters and getters.

A simple implementation of the getters and setters has been added. More
logic can be added to them in future as required.

Reviewed By: michaelrj

Differential Revision: https://reviews.llvm.org/D122969

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