File Manager

X7ROOT File Manager

Current Path: /opt/alt/python313/include/python3.13/internal

opt / alt / python313 / include / python3.13 / internal /

ðŸ“ ..
ðŸ“ mimalloc
ðŸ“„ pycore_abstract.h(1.87 KB)
ðŸ“„ pycore_asdl.h(2.96 KB)
ðŸ“„ pycore_ast.h(30.78 KB)
ðŸ“„ pycore_ast_state.h(6.62 KB)
ðŸ“„ pycore_atexit.h(1.4 KB)
ðŸ“„ pycore_backoff.h(3.81 KB)
ðŸ“„ pycore_bitutils.h(5.88 KB)
ðŸ“„ pycore_blocks_output_buffer.h(8.57 KB)
ðŸ“„ pycore_brc.h(2.05 KB)
ðŸ“„ pycore_bytes_methods.h(3.84 KB)
ðŸ“„ pycore_bytesobject.h(4.75 KB)
ðŸ“„ pycore_call.h(5.99 KB)
ðŸ“„ pycore_capsule.h(397 B)
ðŸ“„ pycore_cell.h(1.03 KB)
ðŸ“„ pycore_ceval.h(10.9 KB)
ðŸ“„ pycore_ceval_state.h(3.83 KB)
ðŸ“„ pycore_code.h(19.4 KB)
ðŸ“„ pycore_codecs.h(2.41 KB)
ðŸ“„ pycore_compile.h(3.66 KB)
ðŸ“„ pycore_complexobject.h(588 B)
ðŸ“„ pycore_condvar.h(2.64 KB)
ðŸ“„ pycore_context.h(1.15 KB)
ðŸ“„ pycore_critical_section.h(7.78 KB)
ðŸ“„ pycore_crossinterp.h(11.84 KB)
ðŸ“„ pycore_descrobject.h(543 B)
ðŸ“„ pycore_dict.h(11.98 KB)
ðŸ“„ pycore_dict_state.h(732 B)
ðŸ“„ pycore_dtoa.h(1.69 KB)
ðŸ“„ pycore_emscripten_signal.h(685 B)
ðŸ“„ pycore_emscripten_trampoline.h(3.11 KB)
ðŸ“„ pycore_exceptions.h(900 B)
ðŸ“„ pycore_faulthandler.h(2.19 KB)
ðŸ“„ pycore_fileutils.h(9.25 KB)
ðŸ“„ pycore_fileutils_windows.h(2.65 KB)
ðŸ“„ pycore_floatobject.h(1.46 KB)
ðŸ“„ pycore_flowgraph.h(1.45 KB)
ðŸ“„ pycore_format.h(480 B)
ðŸ“„ pycore_frame.h(10.62 KB)
ðŸ“„ pycore_freelist.h(4.7 KB)
ðŸ“„ pycore_function.h(1.5 KB)
ðŸ“„ pycore_gc.h(12.66 KB)
ðŸ“„ pycore_genobject.h(859 B)
ðŸ“„ pycore_getopt.h(490 B)
ðŸ“„ pycore_gil.h(2.14 KB)
ðŸ“„ pycore_global_objects.h(3.02 KB)
ðŸ“„ pycore_global_objects_fini_generated.h(115.04 KB)
ðŸ“„ pycore_global_strings.h(26.08 KB)
ðŸ“„ pycore_hamt.h(3.65 KB)
ðŸ“„ pycore_hashtable.h(4.26 KB)
ðŸ“„ pycore_identifier.h(515 B)
ðŸ“„ pycore_import.h(7.55 KB)
ðŸ“„ pycore_importdl.h(3.96 KB)
ðŸ“„ pycore_initconfig.h(6.23 KB)
ðŸ“„ pycore_instruction_sequence.h(2.11 KB)
ðŸ“„ pycore_instruments.h(2.28 KB)
ðŸ“„ pycore_interp.h(14.71 KB)
ðŸ“„ pycore_intrinsics.h(1.71 KB)
ðŸ“„ pycore_jit.h(527 B)
ðŸ“„ pycore_list.h(1.82 KB)
ðŸ“„ pycore_llist.h(2.36 KB)
ðŸ“„ pycore_lock.h(8.34 KB)
ðŸ“„ pycore_long.h(9.73 KB)
ðŸ“„ pycore_memoryobject.h(427 B)
ðŸ“„ pycore_mimalloc.h(1.6 KB)
ðŸ“„ pycore_modsupport.h(3.27 KB)
ðŸ“„ pycore_moduleobject.h(1.54 KB)
ðŸ“„ pycore_namespace.h(435 B)
ðŸ“„ pycore_object.h(26.64 KB)
ðŸ“„ pycore_object_alloc.h(2.13 KB)
ðŸ“„ pycore_object_stack.h(2.33 KB)
ðŸ“„ pycore_object_state.h(942 B)
ðŸ“„ pycore_obmalloc.h(26.78 KB)
ðŸ“„ pycore_obmalloc_init.h(1.89 KB)
ðŸ“„ pycore_opcode_metadata.h(82.74 KB)
ðŸ“„ pycore_opcode_utils.h(2.07 KB)
ðŸ“„ pycore_optimizer.h(8.11 KB)
ðŸ“„ pycore_parking_lot.h(3.27 KB)
ðŸ“„ pycore_parser.h(2.04 KB)
ðŸ“„ pycore_pathconfig.h(658 B)
ðŸ“„ pycore_pyarena.h(2.79 KB)
ðŸ“„ pycore_pyatomic_ft_wrappers.h(7.87 KB)
ðŸ“„ pycore_pybuffer.h(510 B)
ðŸ“„ pycore_pyerrors.h(4.84 KB)
ðŸ“„ pycore_pyhash.h(2.75 KB)
ðŸ“„ pycore_pylifecycle.h(4.36 KB)
ðŸ“„ pycore_pymath.h(8.4 KB)
ðŸ“„ pycore_pymem.h(4.37 KB)
ðŸ“„ pycore_pymem_init.h(3.44 KB)
ðŸ“„ pycore_pystate.h(9.73 KB)
ðŸ“„ pycore_pystats.h(420 B)
ðŸ“„ pycore_pythonrun.h(758 B)
ðŸ“„ pycore_pythread.h(5.3 KB)
ðŸ“„ pycore_qsbr.h(4.81 KB)
ðŸ“„ pycore_range.h(346 B)
ðŸ“„ pycore_runtime.h(12.84 KB)
ðŸ“„ pycore_runtime_init.h(12.74 KB)
ðŸ“„ pycore_runtime_init_generated.h(45.72 KB)
ðŸ“„ pycore_semaphore.h(1.69 KB)
ðŸ“„ pycore_setobject.h(951 B)
ðŸ“„ pycore_signal.h(2.86 KB)
ðŸ“„ pycore_sliceobject.h(369 B)
ðŸ“„ pycore_stackref.h(5.06 KB)
ðŸ“„ pycore_strhex.h(1013 B)
ðŸ“„ pycore_structseq.h(963 B)
ðŸ“„ pycore_symtable.h(8.47 KB)
ðŸ“„ pycore_sysmodule.h(1.15 KB)
ðŸ“„ pycore_time.h(11.52 KB)
ðŸ“„ pycore_token.h(2.93 KB)
ðŸ“„ pycore_traceback.h(3.54 KB)
ðŸ“„ pycore_tracemalloc.h(4.43 KB)
ðŸ“„ pycore_tstate.h(1.32 KB)
ðŸ“„ pycore_tuple.h(820 B)
ðŸ“„ pycore_typeobject.h(8.67 KB)
ðŸ“„ pycore_typevarobject.h(924 B)
ðŸ“„ pycore_ucnhash.h(958 B)
ðŸ“„ pycore_unicodeobject.h(12.15 KB)
ðŸ“„ pycore_unicodeobject_generated.h(129.04 KB)
ðŸ“„ pycore_unionobject.h(742 B)
ðŸ“„ pycore_uop_ids.h(10.03 KB)
ðŸ“„ pycore_uop_metadata.h(38.54 KB)
ðŸ“„ pycore_warnings.h(840 B)
ðŸ“„ pycore_weakref.h(3.25 KB)

Editing: pycore_critical_section.h

#ifndef Py_INTERNAL_CRITICAL_SECTION_H
#define Py_INTERNAL_CRITICAL_SECTION_H

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#include "pycore_lock.h"        // PyMutex
#include "pycore_pystate.h"     // _PyThreadState_GET()
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

// Tagged pointers to critical sections use the two least significant bits to
// mark if the pointed-to critical section is inactive and whether it is a
// PyCriticalSection2 object.
#define _Py_CRITICAL_SECTION_INACTIVE       0x1
#define _Py_CRITICAL_SECTION_TWO_MUTEXES    0x2
#define _Py_CRITICAL_SECTION_MASK           0x3

#ifdef Py_GIL_DISABLED
# define Py_BEGIN_CRITICAL_SECTION_MUT(mutex)                           \
    {                                                                   \
        PyCriticalSection _py_cs;                                       \
        _PyCriticalSection_BeginMutex(&_py_cs, mutex)

# define Py_BEGIN_CRITICAL_SECTION2_MUT(m1, m2)                         \
    {                                                                   \
        PyCriticalSection2 _py_cs2;                                     \
        _PyCriticalSection2_BeginMutex(&_py_cs2, m1, m2)

// Specialized version of critical section locking to safely use
// PySequence_Fast APIs without the GIL. For performance, the argument *to*
// PySequence_Fast() is provided to the macro, not the *result* of
// PySequence_Fast(), which would require an extra test to determine if the
// lock must be acquired.
# define Py_BEGIN_CRITICAL_SECTION_SEQUENCE_FAST(original)              \
    {                                                                   \
        PyObject *_orig_seq = _PyObject_CAST(original);                 \
        const bool _should_lock_cs = PyList_CheckExact(_orig_seq);      \
        PyCriticalSection _cs;                                          \
        if (_should_lock_cs) {                                          \
            _PyCriticalSection_Begin(&_cs, _orig_seq);                  \
        }

# define Py_END_CRITICAL_SECTION_SEQUENCE_FAST()                        \
        if (_should_lock_cs) {                                          \
            PyCriticalSection_End(&_cs);                                \
        }                                                               \
    }

// Asserts that the mutex is locked.  The mutex must be held by the
// top-most critical section otherwise there's the possibility
// that the mutex would be swalled out in some code paths.
#define _Py_CRITICAL_SECTION_ASSERT_MUTEX_LOCKED(mutex) \
    _PyCriticalSection_AssertHeld(mutex)

// Asserts that the mutex for the given object is locked. The mutex must
// be held by the top-most critical section otherwise there's the
// possibility that the mutex would be swalled out in some code paths.
#ifdef Py_DEBUG

# define _Py_CRITICAL_SECTION_ASSERT_OBJECT_LOCKED(op)                           \
    if (Py_REFCNT(op) != 1) {                                                    \
        _Py_CRITICAL_SECTION_ASSERT_MUTEX_LOCKED(&_PyObject_CAST(op)->ob_mutex); \
    }

#else   /* Py_DEBUG */

# define _Py_CRITICAL_SECTION_ASSERT_OBJECT_LOCKED(op)

#endif  /* Py_DEBUG */

#else  /* !Py_GIL_DISABLED */
// The critical section APIs are no-ops with the GIL.
# define Py_BEGIN_CRITICAL_SECTION_MUT(mut) {
# define Py_BEGIN_CRITICAL_SECTION2_MUT(m1, m2) {
# define Py_BEGIN_CRITICAL_SECTION_SEQUENCE_FAST(original) {
# define Py_END_CRITICAL_SECTION_SEQUENCE_FAST() }
# define _Py_CRITICAL_SECTION_ASSERT_MUTEX_LOCKED(mutex)
# define _Py_CRITICAL_SECTION_ASSERT_OBJECT_LOCKED(op)
#endif  /* !Py_GIL_DISABLED */

// Resumes the top-most critical section.
PyAPI_FUNC(void)
_PyCriticalSection_Resume(PyThreadState *tstate);

// (private) slow path for locking the mutex
PyAPI_FUNC(void)
_PyCriticalSection_BeginSlow(PyCriticalSection *c, PyMutex *m);

PyAPI_FUNC(void)
_PyCriticalSection2_BeginSlow(PyCriticalSection2 *c, PyMutex *m1, PyMutex *m2,
                             int is_m1_locked);

PyAPI_FUNC(void)
_PyCriticalSection_SuspendAll(PyThreadState *tstate);

#ifdef Py_GIL_DISABLED

static inline int
_PyCriticalSection_IsActive(uintptr_t tag)
{
    return tag != 0 && (tag & _Py_CRITICAL_SECTION_INACTIVE) == 0;
}

static inline void
_PyCriticalSection_BeginMutex(PyCriticalSection *c, PyMutex *m)
{
    if (PyMutex_LockFast(&m->_bits)) {
        PyThreadState *tstate = _PyThreadState_GET();
        c->_cs_mutex = m;
        c->_cs_prev = tstate->critical_section;
        tstate->critical_section = (uintptr_t)c;
    }
    else {
        _PyCriticalSection_BeginSlow(c, m);
    }
}

static inline void
_PyCriticalSection_Begin(PyCriticalSection *c, PyObject *op)
{
    _PyCriticalSection_BeginMutex(c, &op->ob_mutex);
}
#define PyCriticalSection_Begin _PyCriticalSection_Begin

// Removes the top-most critical section from the thread's stack of critical
// sections. If the new top-most critical section is inactive, then it is
// resumed.
static inline void
_PyCriticalSection_Pop(PyCriticalSection *c)
{
    PyThreadState *tstate = _PyThreadState_GET();
    uintptr_t prev = c->_cs_prev;
    tstate->critical_section = prev;

if ((prev & _Py_CRITICAL_SECTION_INACTIVE) != 0) {
        _PyCriticalSection_Resume(tstate);
    }
}

static inline void
_PyCriticalSection_End(PyCriticalSection *c)
{
    PyMutex_Unlock(c->_cs_mutex);
    _PyCriticalSection_Pop(c);
}
#define PyCriticalSection_End _PyCriticalSection_End

static inline void
_PyCriticalSection2_BeginMutex(PyCriticalSection2 *c, PyMutex *m1, PyMutex *m2)
{
    if (m1 == m2) {
        // If the two mutex arguments are the same, treat this as a critical
        // section with a single mutex.
        c->_cs_mutex2 = NULL;
        _PyCriticalSection_BeginMutex(&c->_cs_base, m1);
        return;
    }

if ((uintptr_t)m2 < (uintptr_t)m1) {
        // Sort the mutexes so that the lower address is locked first.
        // The exact order does not matter, but we need to acquire the mutexes
        // in a consistent order to avoid lock ordering deadlocks.
        PyMutex *tmp = m1;
        m1 = m2;
        m2 = tmp;
    }

if (PyMutex_LockFast(&m1->_bits)) {
        if (PyMutex_LockFast(&m2->_bits)) {
            PyThreadState *tstate = _PyThreadState_GET();
            c->_cs_base._cs_mutex = m1;
            c->_cs_mutex2 = m2;
            c->_cs_base._cs_prev = tstate->critical_section;

uintptr_t p = (uintptr_t)c | _Py_CRITICAL_SECTION_TWO_MUTEXES;
            tstate->critical_section = p;
        }
        else {
            _PyCriticalSection2_BeginSlow(c, m1, m2, 1);
        }
    }
    else {
        _PyCriticalSection2_BeginSlow(c, m1, m2, 0);
    }
}

static inline void
_PyCriticalSection2_Begin(PyCriticalSection2 *c, PyObject *a, PyObject *b)
{
    _PyCriticalSection2_BeginMutex(c, &a->ob_mutex, &b->ob_mutex);
}
#define PyCriticalSection2_Begin _PyCriticalSection2_Begin

static inline void
_PyCriticalSection2_End(PyCriticalSection2 *c)
{
    if (c->_cs_mutex2) {
        PyMutex_Unlock(c->_cs_mutex2);
    }
    PyMutex_Unlock(c->_cs_base._cs_mutex);
    _PyCriticalSection_Pop(&c->_cs_base);
}
#define PyCriticalSection2_End _PyCriticalSection2_End

static inline void
_PyCriticalSection_AssertHeld(PyMutex *mutex)
{
#ifdef Py_DEBUG
    PyThreadState *tstate = _PyThreadState_GET();
    uintptr_t prev = tstate->critical_section;
    if (prev & _Py_CRITICAL_SECTION_TWO_MUTEXES) {
        PyCriticalSection2 *cs = (PyCriticalSection2 *)(prev & ~_Py_CRITICAL_SECTION_MASK);
        assert(cs != NULL && (cs->_cs_base._cs_mutex == mutex || cs->_cs_mutex2 == mutex));
    }
    else {
        PyCriticalSection *cs = (PyCriticalSection *)(tstate->critical_section & ~_Py_CRITICAL_SECTION_MASK);
        assert(cs != NULL && cs->_cs_mutex == mutex);
    }

#endif
}

#endif /* Py_GIL_DISABLED */

#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_CRITICAL_SECTION_H */

X7ROOT File Manager

Editing: pycore_critical_section.h

Upload File

Create Folder