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usr / local / lib / python3.8 / site-packages / zmq / utils /

📁 ..
📄 __init__.py(0 B)
📁 __pycache__
📄 buffers.pxd(6.87 KB)
📄 compiler.json(310 B)
📄 config.json(344 B)
📄 constant_names.py(11.23 KB)
📄 garbage.py(6.04 KB)
📄 getpid_compat.h(116 B)
📄 interop.py(685 B)
📄 ipcmaxlen.h(522 B)
📄 jsonapi.py(1018 B)
📄 monitor.py(2.02 KB)
📄 mutex.h(1.59 KB)
📄 pyversion_compat.h(284 B)
📄 strtypes.py(1.09 KB)
📄 win32.py(5.08 KB)
📄 z85.py(1.78 KB)
📄 zmq_compat.h(3.17 KB)
📄 zmq_constants.h(18.4 KB)

Editing: mutex.h

/*
* simplified from mutex.c from Foundation Library, in the Public Domain
* https://github.com/rampantpixels/foundation_lib/blob/master/foundation/mutex.c
*
* This file is Copyright (C) PyZMQ Developers
* Distributed under the terms of the Modified BSD License.
*
*/

#pragma once

#if defined(_WIN32)
#  include <windows.h>
#else
#  include <pthread.h>
#endif

typedef struct {
#if defined(_WIN32)
    CRITICAL_SECTION csection;
#else
    pthread_mutex_t  mutex;
#endif
} mutex_t;

static void
_mutex_initialize(mutex_t* mutex) {
#if defined(_WIN32)
    InitializeCriticalSectionAndSpinCount(&mutex->csection, 4000);
#else
    pthread_mutexattr_t attr;
    pthread_mutexattr_init(&attr);
    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
    pthread_mutex_init(&mutex->mutex, &attr);
    pthread_mutexattr_destroy(&attr);
#endif
}

static void
_mutex_finalize(mutex_t* mutex) {
#if defined(_WIN32)
    DeleteCriticalSection(&mutex->csection);
#else
    pthread_mutex_destroy(&mutex->mutex);
#endif
}

mutex_t*
mutex_allocate(void) {
    mutex_t* mutex = (mutex_t*)malloc(sizeof(mutex_t));
    _mutex_initialize(mutex);
    return mutex;
}

void
mutex_deallocate(mutex_t* mutex) {
    if (!mutex)
        return;
    _mutex_finalize(mutex);
    free(mutex);
}

int
mutex_lock(mutex_t* mutex) {
#if defined(_WIN32)
    EnterCriticalSection(&mutex->csection);
    return 0;
#else
    return pthread_mutex_lock(&mutex->mutex);
#endif
}

int
mutex_unlock(mutex_t* mutex) {
#if defined(_WIN32)
    LeaveCriticalSection(&mutex->csection);
    return 0;
#else
    return pthread_mutex_unlock(&mutex->mutex);
#endif
}

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Editing: mutex.h

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