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Refactor Fiber internal implementation #7085

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Refactor Fiber internal implementation #7085

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db1e29f
Align fiber C stack size
twose May 28, 2021
1cd136e
Refactor Fiber internal implementation
twose May 31, 2021
b5bfdfd
Fix BC break at the user level
twose Jun 2, 2021
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2 changes: 1 addition & 1 deletion Zend/tests/fibers/resume-non-running-fiber.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ $fiber->resume();

?>
--EXPECTF--
Fatal error: Uncaught FiberError: Cannot resume a fiber that is not suspended in %sresume-non-running-fiber.php:%d
Fatal error: Uncaught FiberError: Fiber has not started in %sresume-non-running-fiber.php:%d
Stack trace:
#0 %sresume-non-running-fiber.php(%d): Fiber->resume()
#1 {main}
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2 changes: 1 addition & 1 deletion Zend/tests/fibers/resume-running-fiber.phpt
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Expand Up @@ -12,7 +12,7 @@ $fiber->start();

?>
--EXPECTF--
Fatal error: Uncaught FiberError: Cannot resume a fiber that is not suspended in %sresume-running-fiber.php:%d
Fatal error: Uncaught FiberError: Fiber is running in %sresume-running-fiber.php:%d
Stack trace:
#0 %sresume-running-fiber.php(%d): Fiber->resume()
#1 [internal function]: {closure}()
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2 changes: 1 addition & 1 deletion Zend/tests/fibers/resume-terminated-fiber.phpt
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Expand Up @@ -11,7 +11,7 @@ $fiber->resume();

?>
--EXPECTF--
Fatal error: Uncaught FiberError: Cannot resume a fiber that is not suspended in %sresume-terminated-fiber.php:%d
Fatal error: Uncaught FiberError: Fiber is dead in %sresume-terminated-fiber.php:%d
Stack trace:
#0 %sresume-terminated-fiber.php(%d): Fiber->resume()
#1 {main}
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2 changes: 1 addition & 1 deletion Zend/tests/fibers/suspend-outside-fiber.phpt
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Expand Up @@ -7,7 +7,7 @@ $value = Fiber::suspend(1);

?>
--EXPECTF--
Fatal error: Uncaught FiberError: Cannot suspend outside of a fiber in %ssuspend-outside-fiber.php:%d
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I think in this particular instance the old description is more obvious than "nowhere to go".

Fatal error: Uncaught FiberError: Fiber has nowhere to go in %ssuspend-outside-fiber.php:%d
Stack trace:
#0 %ssuspend-outside-fiber.php(%d): Fiber::suspend(1)
#1 {main}
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2 changes: 1 addition & 1 deletion Zend/tests/fibers/throw-into-non-running-fiber.phpt
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Expand Up @@ -9,7 +9,7 @@ $fiber->throw(new Exception('test'));

?>
--EXPECTF--
Fatal error: Uncaught FiberError: Cannot resume a fiber that is not suspended in %sthrow-into-non-running-fiber.php:%d
Fatal error: Uncaught FiberError: Fiber has not started in %sthrow-into-non-running-fiber.php:%d
Stack trace:
#0 %sthrow-into-non-running-fiber.php(%d): Fiber->throw(Object(Exception))
#1 {main}
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18 changes: 16 additions & 2 deletions Zend/zend.c
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Expand Up @@ -177,11 +177,25 @@ static ZEND_INI_MH(OnSetExceptionStringParamMaxLen) /* {{{ */

static ZEND_INI_MH(OnUpdateFiberStackSize) /* {{{ */
{
zend_long size;

if (new_value) {
EG(fiber_stack_size) = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
size = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
if (size == 0) {
size = ZEND_FIBER_DEFAULT_C_STACK_SIZE;
} else if (size < ZEND_FIBER_MIN_C_STACK_SIZE) {
size = ZEND_FIBER_MIN_C_STACK_SIZE;
} else if (size > ZEND_FIBER_MAX_C_STACK_SIZE) {
size = ZEND_FIBER_MAX_C_STACK_SIZE;
} else {
size = ZEND_MM_ALIGNED_SIZE_EX(size, ZEND_FIBER_C_STACK_ALIGNMENT);
}
} else {
EG(fiber_stack_size) = ZEND_FIBER_DEFAULT_C_STACK_SIZE;
size = ZEND_FIBER_DEFAULT_C_STACK_SIZE;
}

EG(fiber_stack_size) = size;

return SUCCESS;
}
/* }}} */
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1 change: 1 addition & 0 deletions Zend/zend_execute_API.c
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Expand Up @@ -379,6 +379,7 @@ void shutdown_executor(void) /* {{{ */

zend_objects_store_free_object_storage(&EG(objects_store), fast_shutdown);

zend_fiber_shutdown();
zend_weakrefs_shutdown();

zend_try {
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