Refactor pcntl_sigprocmask()/pcntl_sigwaitinfo()/pcntl_sigtimedwait() (#11860)

Remove unused variable 'error' (#12438)

Will also get rid of the potential allocation happening in
zend_is_callable_ex().

ext/pcntl: Remove useless call to zend_get_callable_name() (#12241)

Result of it is unused

Fix GH-8329 Print true/false instead of bool in error and debug messages (#8385)

Use php_info_print_table_header for actual column headers only (#9485)

Using php_info_print_table_header() for "Foo: bar" looks odd and out of place,
because the whole line is colored. I

Use php_info_print_table_header for actual column headers only (#9485)

Using php_info_print_table_header() for "Foo: bar" looks odd and out of place,
because the whole line is colored. It is also questionable from a HTML
semantics point of view, because it does not described the columns that follow.

The use of this across extensions is inconsistent. It was part of the skeleton,
but ext/date or ext/json already use a regular row.

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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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Use waitpid(-1) over WAIT_ANY

This macro is only available in glibc.

Closes GH-11588

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

Add missing WUNTRACED

I forgot to add this in GH-11509.

Closes GH-11526.

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.

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

opcache/pcntl/cli: Fixes few functions signatures.

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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Fix pcntl Haiku build

guarding SIGIO constant.

Closes GH-8612.

Fix GH-8142: Compilation error on cygwin

* pcntl: SIGPOLL/si_band is unsupported
* intl: enable the signal apis with `_POSIX_C_SOURCE`

Closes GH-8146.

Fix pcntl_rfork build for DragonFlyBSD

RFTSIGZMB flag unsupported, guarding with the said flag instead of system
in case the implementaion catches up with FreeBSD's.

Closes GH-7

Fix pcntl_rfork build for DragonFlyBSD

RFTSIGZMB flag unsupported, guarding with the said flag instead of system
in case the implementaion catches up with FreeBSD's.

Closes GH-7918.

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pcntl add ECAPMODE from FreeBSD (#7716)

Use new param API in ext/pcntl (#7751)

pcntl add forkx for solaris based systems. (#7654)

pcntl_rfork: following-up suggestions.

removing RFMEM constant.
treating beforehand the only case where rfork would return EINVAL.