ext/pcntl: pcntl_fork refining error handling. (#14021)

ext/pcntl: pcntl_getqos_class/pcntl_setqos_class addition.

Introducting macOs Quality Of Service through those two calls.
on macOs arm64/M*, there is no concept of individual cores, thus

ext/pcntl: pcntl_getqos_class/pcntl_setqos_class addition.

Introducting macOs Quality Of Service through those two calls.
on macOs arm64/M*, there is no concept of individual cores, thus
the old thread policy for cpu affinity does not work here.
Instead, the user can apply to the current process the level of
performance/energy consumption they wish from the highest
QosClass::UserInteractive to QosClass::Background.

Close GH-13945

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ext/pcntl: getpriority/setpriority `who` default value handling change. (#13911)

0 refers to the calling process, all across unixes, thus saving one
syscall.

ext/pcntl: adding pcntl_getcpu.

using sched_getcpu under the hood (Linux and FreeBSD).
Returns the current cpu id for the current process.
For Linux, we need to see beyond the sole p

ext/pcntl: adding pcntl_getcpu.

using sched_getcpu under the hood (Linux and FreeBSD).
Returns the current cpu id for the current process.
For Linux, we need to see beyond the sole presence of the symbol
to consider it.
Mostly useful, for now, in the cpu affinity context since
the os can migrate processes as it sees fits otherwise.

Clos GH-13908

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ext/pcntl: pcntl affinity improves EINVAL handling in both cases. (#13907)

also disable tests on travis.

ext/pcntl pcntl_signal_get_handler update.

The situation varies from platform to another, thus taking in
account the complexity of it.

Close GH-13902

ext/pcntl: cpu affinity api introduction.

For now, working on Linux, FreeBSD >= 13.x and DragonFlyBSD.
Handy wrapper to assign an array of cpu ids or to retrieve the cpu ids
assigned

ext/pcntl: cpu affinity api introduction.

For now, working on Linux, FreeBSD >= 13.x and DragonFlyBSD.
Handy wrapper to assign an array of cpu ids or to retrieve the cpu ids
assigned to a given process.

pcntl_setaffinity inserts valid unique cpu ids (within the range of available
cpus).

Close GH-13893

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ext/pcntl: pcnt_setns few nitpicks changes. (#13885)

ext/pcntl: adding pcntl_setns for Linux >= 5.3

allows a given process to join an existing Linux namespace, relatively
complementary to the existing pcntl_unshare.

Close GH-13878

ext/pcntl: pcntl_unshare minor error message clarification (for EINVAL). (#13872)

it is not necessarily a bad flag but can just be unsupported by the
current kernel.

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

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

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

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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Declare ext/pcntl constants in stubs (#9075)