mirror of
https://github.com/espressif/esp-idf
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54 lines
996 B
C
54 lines
996 B
C
/*
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* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include "esp_err.h"
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#include "esp_log.h"
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#include "sdkconfig.h"
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static const char *TAG = "sysconf";
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#ifdef CONFIG_FREERTOS_UNICORE
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#define CPU_NUM 1
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#else
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#define CPU_NUM CONFIG_SOC_CPU_CORES_NUM
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#endif
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long sysconf(int arg)
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{
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switch (arg) {
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case _SC_NPROCESSORS_CONF:
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case _SC_NPROCESSORS_ONLN:
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return CPU_NUM;
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default:
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errno = EINVAL;
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return -1;
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}
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}
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// pathconf
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long fpathconf(int fildes, int name)
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{
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if (name == _PC_PATH_MAX) {
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return PATH_MAX;
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}
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ESP_LOGW(TAG, "fpathconf: unsupported name %d", name);
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errno = EINVAL;
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return -1;
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}
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long pathconf(const char *path, int name)
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{
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if (name == _PC_PATH_MAX) {
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return PATH_MAX;
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}
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ESP_LOGW(TAG, "pathconf: unsupported name %d", name);
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errno = EINVAL;
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return -1;
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}
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