components/newlib/pthread.c (ESP-IDF)

/* * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include <pthread.h> #include "esp_log.h" const static char *TAG = "esp32_asio_pthread"; int pthread_setcancelstate(int state, int *oldstate) { return 0; } // This functions (pthread_sigmask(), sigfillset) are called from ASIO::signal_blocker to temporarily silence signals // Since signals are not yet supported in ESP pthread these functions serve as no-ops // int pthread_sigmask(int how, const sigset_t *restrict set, sigset_t *restrict oset) { ESP_LOGD(TAG, "%s: Signals not supported in ESP pthread", __func__); return 0; } int sigfillset(sigset_t *what) { ESP_LOGD(TAG, "%s: Signals not supported in ESP pthread", __func__); if (what != NULL) { *what = ~0; } return 0; } void newlib_include_pthread_impl(void) { // Linker hook, exists for no other purpose }