esp_http_server: Update to support build for Linux

components/esp_http_server/src/port/linux/osal.h

@@ -0,0 +1,55 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <unistd.h>
+#include <stdint.h>
+#include <pthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define OS_SUCCESS ESP_OK
+#define OS_FAIL    ESP_FAIL
+
+typedef TaskHandle_t othread_t;
+
+static inline int httpd_os_thread_create(othread_t *thread,
+                                 const char *name, uint16_t stacksize, int prio,
+                                 void (*thread_routine)(void *arg), void *arg,
+                                 BaseType_t core_id)
+{
+    pthread_attr_t thread_attr;
+    pthread_attr_init(&thread_attr);
+    pthread_attr_setstacksize(&thread_attr, stacksize);
+    int ret = pthread_create((pthread_t *)thread, &thread_attr, (void*)thread_routine, arg);
+    if (ret == 0) {
+        return OS_SUCCESS;
+    }
+    return OS_FAIL;
+}
+
+/* Only self delete is supported */
+static inline void httpd_os_thread_delete(void)
+{
+    int x;
+    pthread_exit((void *)&x);
+}
+
+static inline void httpd_os_thread_sleep(int msecs)
+{
+    usleep(msecs * 1000);
+}
+
+static inline othread_t httpd_os_thread_handle(void)
+{
+    return (othread_t)pthread_self();
+}
+
+#ifdef __cplusplus
+}
+#endif