mirror of https://github.com/F-Stack/f-stack.git
112 lines
2.1 KiB
C
112 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2019 Intel Corporation
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*/
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#include <io.h>
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#include <rte_atomic.h>
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#include <rte_debug.h>
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#include <rte_launch.h>
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#include <rte_lcore.h>
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#include <rte_per_lcore.h>
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#include <rte_common.h>
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#include <rte_memory.h>
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#include "eal_private.h"
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#include "eal_thread.h"
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#include "eal_windows.h"
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int
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eal_thread_wake_worker(unsigned int worker_id)
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{
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int m2w = lcore_config[worker_id].pipe_main2worker[1];
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int w2m = lcore_config[worker_id].pipe_worker2main[0];
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char c = 0;
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int n;
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do {
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n = _write(m2w, &c, 1);
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} while (n == 0 || (n < 0 && errno == EINTR));
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if (n < 0)
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return -EPIPE;
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do {
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n = _read(w2m, &c, 1);
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} while (n < 0 && errno == EINTR);
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if (n <= 0)
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return -EPIPE;
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return 0;
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}
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void
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eal_thread_wait_command(void)
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{
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unsigned int lcore_id = rte_lcore_id();
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int m2w;
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char c;
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int n;
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m2w = lcore_config[lcore_id].pipe_main2worker[0];
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do {
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n = _read(m2w, &c, 1);
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} while (n < 0 && errno == EINTR);
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if (n <= 0)
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rte_panic("cannot read on configuration pipe\n");
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}
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void
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eal_thread_ack_command(void)
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{
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unsigned int lcore_id = rte_lcore_id();
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char c = 0;
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int w2m;
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int n;
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w2m = lcore_config[lcore_id].pipe_worker2main[1];
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do {
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n = _write(w2m, &c, 1);
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} while (n == 0 || (n < 0 && errno == EINTR));
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if (n < 0)
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rte_panic("cannot write on configuration pipe\n");
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}
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/* function to create threads */
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int
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eal_thread_create(pthread_t *thread, unsigned int lcore_id)
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{
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HANDLE th;
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th = CreateThread(NULL, 0,
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(LPTHREAD_START_ROUTINE)(ULONG_PTR)eal_thread_loop,
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(LPVOID)(uintptr_t)lcore_id,
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CREATE_SUSPENDED,
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(LPDWORD)thread);
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if (!th)
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return -1;
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SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
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SetThreadPriority(th, THREAD_PRIORITY_NORMAL);
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if (ResumeThread(th) == (DWORD)-1) {
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(void)CloseHandle(th);
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return -1;
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}
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return 0;
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}
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/* get current thread ID */
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int
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rte_sys_gettid(void)
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{
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return GetCurrentThreadId();
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}
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int
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rte_thread_setname(__rte_unused pthread_t id, __rte_unused const char *name)
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{
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/* TODO */
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/* This is a stub, not the expected result */
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return 0;
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}
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