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-rw-r--r--components/libc/compilers/common/poll.h40
-rw-r--r--components/libc/compilers/common/sys/time.h6
2 files changed, 43 insertions, 3 deletions
diff --git a/components/libc/compilers/common/poll.h b/components/libc/compilers/common/poll.h
new file mode 100644
index 0000000000..1862373559
--- /dev/null
+++ b/components/libc/compilers/common/poll.h
@@ -0,0 +1,40 @@
+#ifndef __POLL_H__
+#define __POLL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(POLLIN) && !defined(POLLOUT)
+#define POLLIN (0x01)
+#define POLLRDNORM (0x01)
+#define POLLRDBAND (0x01)
+#define POLLPRI (0x01)
+
+#define POLLOUT (0x02)
+#define POLLWRNORM (0x02)
+#define POLLWRBAND (0x02)
+
+#define POLLERR (0x04)
+#define POLLHUP (0x08)
+#define POLLNVAL (0x10)
+
+typedef unsigned int nfds_t;
+
+struct pollfd
+{
+ int fd;
+ short events;
+ short revents;
+};
+#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__ */
diff --git a/components/libc/compilers/common/sys/time.h b/components/libc/compilers/common/sys/time.h
index c2320429e0..9d4422e17a 100644
--- a/components/libc/compilers/common/sys/time.h
+++ b/components/libc/compilers/common/sys/time.h
@@ -8,8 +8,8 @@
* 2020-09-07 Meco Man combine gcc armcc iccarm
* 2021-02-12 Meco Man move all definitions located in <clock_time.h> to this file
*/
-#ifndef _SYS_TIME_H_
-#define _SYS_TIME_H_
+#ifndef __SYS_TIME_H__
+#define __SYS_TIME_H__
#include <rtconfig.h>
#include <rtdef.h>
@@ -73,7 +73,7 @@ struct timespec {
};
#endif
-/* posix clock and timer */
+/* POSIX clock and timer */
#define MILLISECOND_PER_SECOND 1000UL
#define MICROSECOND_PER_SECOND 1000000UL
#define NANOSECOND_PER_SECOND 1000000000UL