添加rtthread相关代码

2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
--- a/riscv/rtthread/components/libc/posix/io/poll/poll.h
+++ b/riscv/rtthread/components/libc/posix/io/poll/poll.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2021-09-11     Meco Man          First version
+ * 2024-03-29     TroyMitchelle     Add all macro comments and comments to structure members
+ */
+
+#ifndef __POLL_H__
+#define __POLL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef RT_USING_MUSLLIBC
+#if !defined(POLLIN) && !defined(POLLOUT)
+#define POLLIN     0x001   /**< There is data to read. */
+#define POLLPRI    0x002   /**< There is urgent data to read. */
+#define POLLOUT    0x004   /**< Writing is now possible. */
+#define POLLERR    0x008   /**< Error condition. */
+#define POLLHUP    0x010   /**< Hang up. */
+#define POLLNVAL   0x020   /**< Invalid polling request. */
+#define POLLRDNORM 0x040   /**< Normal data may be read. */
+#define POLLRDBAND 0x080   /**< Priority data may be read. */
+#define POLLWRNORM 0x100   /**< Writing normal data is possible. */
+#define POLLWRBAND 0x200   /**< Writing priority data is possible. */
+typedef unsigned int nfds_t;
+struct pollfd
+{
+    int fd;             /**< File descriptor. */
+    short events;       /**< Requested events. */
+    short revents;      /**< Returned events. */
+};
+#endif
+#else
+#if !defined(POLLIN) && !defined(POLLOUT)
+#define POLLIN     0x1     /**< There is data to read. */
+#define POLLOUT    0x2     /**< Writing is now possible. */
+#define POLLERR    0x4     /**< Error condition. */
+#define POLLNVAL   0x8     /**< Invalid polling request. */
+/* Below values are unimplemented */
+#define POLLRDNORM 0x10    /**< Normal data may be read. */
+#define POLLRDBAND 0x20    /**< Priority data may be read. */
+#define POLLPRI    0x40    /**< There is urgent data to read. */
+#define POLLWRNORM 0x80    /**< Writing normal data is possible. */
+#define POLLWRBAND 0x100   /**< Writing priority data is possible. */
+#define POLLHUP    0x200   /**< Hang up. */
+typedef unsigned int nfds_t;
+struct pollfd
+{
+    int fd;             /**< File descriptor. */
+    short events;       /**< Requested events. */
+    short revents;      /**< Returned events. */
+};
+#endif
+#endif /* !defined(POLLIN) && !defined(POLLOUT) */
+
+#define POLLMASK_DEFAULT (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
+
+int poll(struct pollfd *fds, nfds_t nfds, int timeout);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POLL_H__ */