Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Revert the fix for GH-11498

Revert the fix for GH-11498

People relied on manually waiting for children, but the fix for GH-11498
broke this. Fixing this in PHP is fundamentally incompatible with doing
the wait

Revert the fix for GH-11498

People relied on manually waiting for children, but the fix for GH-11498
broke this. Fixing this in PHP is fundamentally incompatible with doing
the wait loop in userland. This reverts to the old behaviour.

Closes GH-11863.

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Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Use waitpid(-1) over WAIT_ANY

Use waitpid(-1) over WAIT_ANY

This macro is only available in glibc.

Closes GH-11588

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix use of uninitialized memory in pcntl SIGCHLD handling

Fix use of uninitialized memory in pcntl SIGCHLD handling

psig needs to stay the tail, so that we don't get a dangling element on the end.

Closes GH-11536

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Add missing WUNTRACED

Add missing WUNTRACED

I forgot to add this in GH-11509.

Closes GH-11526.

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix GH-11498: SIGCHLD is not always returned from proc_open

Fix GH-11498: SIGCHLD is not always returned from proc_open

Linux, and maybe other unixes, may merge multiple standard signals into
a single one. This causes issues when keeping track of

Fix GH-11498: SIGCHLD is not always returned from proc_open

Linux, and maybe other unixes, may merge multiple standard signals into
a single one. This causes issues when keeping track of process IDs.
Solve this by manually checking which children are dead using waitpid().

Test case is based on taka-oyama's test code.

Closes GH-11509.

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Fix maximum argument count of pcntl_forkx()

Closes GH-11199.

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
[ci skip] NEWS
fix: support for timeouts with ZTS on Linux (#10141)

fix: support for timeouts with ZTS on Linux (#10141)

opcache/pcntl/cli: Fixes few functions signatures.

Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
[ci skip] NEWS
Fix GH-9298: remove all registered signal handlers in pcntl RSHUTDOWN

Fix GH-9298: remove all registered signal handlers in pcntl RSHUTDOWN

Declare ext/pcntl constants in stubs (#9075)

Fix get/set priority - error handling for MacOS and extra tests

Closes GH-9044.

Prevent fiber switching in tick function and signal handlers (#9028)

Make vm_interrupt and timed_out atomic (#8327)

This is done by adding a new zend_atomic_bool type. The type
definition is only available for compiler alignment and size info; it
shou

Make vm_interrupt and timed_out atomic (#8327)

This is done by adding a new zend_atomic_bool type. The type
definition is only available for compiler alignment and size info; it
should be treated as opaque and only the zend_atomic_bool_* family of
functions should be used.

Note that directly using atomic_bool is complicated. All C++ compilers
stdlibs that I checked typedef atomic_bool to std::atomic<bool>, which
can't be used in an extern "C" section, and there's at least one usage
of this in core, and probably more outside of it.

So, instead use platform specific functions, preferring compiler
intrinsics.

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Merge branch 'PHP-8.1'

* PHP-8.1:
Fix pcntl Haiku build

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix pcntl Haiku build

Fix pcntl Haiku build

guarding SIGIO constant.

Closes GH-8612.

Merge branch 'PHP-8.1'

* PHP-8.1:
Fix GH-8142: Compilation error on cygwin

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix GH-8142: Compilation error on cygwin