René Kijewski
8 years ago
commit
ab3345ac5a
@ -0,0 +1,32 @@
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/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef UNISTD_H_
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#define UNISTD_H_
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STDIN_FILENO 0 ///< stdin file descriptor
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#define STDOUT_FILENO 1 ///< stdout file descriptor
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#define STDERR_FILENO 2 ///< stderr file descriptor
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int close(int fildes);
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typedef uint32_t useconds_t;
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int usleep(useconds_t usec);
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unsigned int sleep(unsigned int seconds);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UNISTD_H_ */
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@ -0,0 +1,32 @@
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/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef UNISTD_H_
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#define UNISTD_H_
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STDIN_FILENO 0 ///< stdin file descriptor
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#define STDOUT_FILENO 1 ///< stdout file descriptor
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#define STDERR_FILENO 2 ///< stderr file descriptor
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int close(int fildes);
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typedef uint32_t useconds_t;
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int usleep(useconds_t usec);
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unsigned int sleep(unsigned int seconds);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UNISTD_H_ */
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@ -1,92 +0,0 @@
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/*
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* Copyright (C) 2013 INRIA.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup posix
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* @{
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* @file
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* @brief POSIX-like IO
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
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* @author Oliver Hahm <oleg@hobbykeller.org>
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef __READ_H
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#define __READ_H
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#include "kernel_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define OPEN 0
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#define CLOSE 1
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#define READ 2
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#define WRITE 3
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/**
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* @brief POSIX IO ringbuffer
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*/
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struct posix_iop_t {
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/** number of bytes */
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int nbytes;
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/** array for the ringbuffer */
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char *buffer;
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};
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/**
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* @brief Opens a file descriptor - represented by a corresponding thread
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*
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* @param[in] pid The thread managing the fd to open
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* @param[in] flags Access modes
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*
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* @return 0 on success
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* @return a negative value in error case
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*/
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int posix_open(int pid, int flags);
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/**
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* @brief Closes an open file descriptor
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*
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* @param[in] pid The opened thread
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*
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* @return 0 on success
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* @return a negative value in error case
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*/
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int posix_close(int pid);
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/**
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* @brief Reads from an open file descriptor
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*
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* @param[in] pid The thread managing the open fd
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* @param[out] buffer Buffer to fill
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* @param[in] bufsize Read up to that many bytes into @p buffer
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*
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* @return the number of read bytes
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*/
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int posix_read(int pid, char *buffer, int bufsize);
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/**
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* @brief Writes to an open file descriptor
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*
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* @param[in] pid The thread managing the open fd
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* @param[in] buffer Buffer to write
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* @param[in] bufsize Write that many bytes from @p buffer
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*
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* @return the number of written bytes
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*/
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int posix_write(int pid, char *buffer, int bufsize);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* __READ_H */
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@ -1,119 +0,0 @@
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/*
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* Copyright (C) 2013 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @addtogroup posix
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* @{
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*/
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/**
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* @file
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* @brief standard symbolic constants and types
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* @see <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html">
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* The Open Group Base Specifications Issue 7, <unistd.h>
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* </a>
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef _UNISTD_H
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#define _UNISTD_H
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#include <stdint.h>
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#include "timex.h"
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#include "vtimer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STDIN_FILENO 0 ///< stdin file descriptor
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#define STDOUT_FILENO 1 ///< stdout file descriptor
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#define STDERR_FILENO 2 ///< stderr file descriptor
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/**
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* @brief Close a file descriptor.
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* @details shall deallocate the file descriptor indicated by *fildes*. To
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* deallocate means to make the file descriptor available for return
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* by subsequent calls to open() or other functions that allocate file
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* descriptors. All outstanding record locks owned by the process on
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* the file associated with the file descriptor shall be removed (that
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* is, unlocked).
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*
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* @see <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html">
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* The Open Group Base Specification Issue 7, close
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* </a>
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*
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* @param[in] fildes The file descriptor to the file which is to close.
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* @return Upon successful completion, 0 shall be returned; otherwise, -1
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* shall be returned and errno set to indicate the error.
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*/
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int close(int fildes);
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/**
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* @name Microseconds data type
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* @{
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*/
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#ifndef __USECONDS_T_TYPE
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#if !(defined(__MACH__) || defined(__FreeBSD__))
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typedef unsigned long __USECONDS_T_TYPE;
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typedef __USECONDS_T_TYPE __useconds_t;
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#else
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#ifdef __MACH__
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typedef __darwin_useconds_t __useconds_t;
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#endif
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#endif
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#endif
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typedef __useconds_t useconds_t;
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/** @} */
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/**
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* @brief the caller will sleep for given amount of micro seconds
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* @details The usleep() function will cause the calling thread to be
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* suspended from execution until either the number of real-time microseconds
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* specified by the argument useconds has elapsed or a signal is delivered to
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* the calling thread and its action is to invoke a signal-catching function
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* or to terminate the process. The suspension time may be longer than
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* requested due to the scheduling of other activity by the system.
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*
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* @see <a href="http://pubs.opengroup.org/onlinepubs/7908799/xsh/usleep.html">
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* The Open Group Base Specification Issue 2, usleep
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* </a>
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*
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* @param useconds time to sleep in micro seconds
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* @return 0 on success
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*/
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int usleep(useconds_t useconds);
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/**
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* @brief the caller will sleep for given amount of seconds
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* @details The sleep() function shall cause the calling thread to be suspended
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* from execution until either the number of realtime seconds
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* specified by the argument seconds has elapsed or a signal is
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* delivered to the calling thread and its action is to invoke a
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* signal-catching function or to terminate the process. The
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* suspension time may be longer than requested due to the scheduling
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* of other activity by the system.
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*
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* @see <a href="http://pubs.opengroup.org/onlinepubs/009695399/functions/sleep.html">
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* The Open Group Base Specification Issue 6, sleep
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* </a>
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*
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* @param seconds time to sleep in seconds
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* @return 0 on success
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*/
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unsigned int sleep(unsigned int seconds);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @}
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*/
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#endif /* _UNISTD_H */
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@ -1,69 +0,0 @@
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/**
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* POSIX implementation of basic IO operations.
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*
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* Copyright (C) 2013, INRIA.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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* @ingroup sys_posix
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* @{
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* @file
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* @brief Implementation of basic POSIX IO functionality.
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @}
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*/
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#include "thread.h"
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#include "msg.h"
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#include "posix_io.h"
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static int _posix_fileop(kernel_pid_t pid, int op, int flags)
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{
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msg_t m;
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m.type = op;
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m.content.value = flags;
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msg_send_receive(&m, &m, pid);
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return m.content.value;
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}
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static int _posix_fileop_data(kernel_pid_t pid, int op, char *buffer, int nbytes)
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{
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struct posix_iop_t r;
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r.nbytes = nbytes;
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r.buffer = buffer;
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msg_t m;
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m.type = op;
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m.content.ptr = (char *) &r;
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msg_send_receive(&m, &m, pid);
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return r.nbytes;
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}
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int posix_open(int pid, int flags)
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{
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if (pid == KERNEL_PID_UNDEF) {
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return -1;
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}
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return _posix_fileop((kernel_pid_t) pid, OPEN, flags);
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}
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int posix_close(int pid)
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{
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return _posix_fileop((kernel_pid_t) pid, CLOSE, 0);
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}
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int posix_read(int pid, char *buffer, int bufsize)
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{
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return _posix_fileop_data((kernel_pid_t) pid, READ, buffer, bufsize);
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}
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int posix_write(int pid, char *buffer, int bufsize)
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{
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return _posix_fileop_data((kernel_pid_t) pid, WRITE, buffer, bufsize);
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}
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@ -0,0 +1,30 @@
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/**
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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||||
* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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* @ingroup xtimer
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* @{
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* @file
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* @brief xtimer posix wrapper
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @}
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*/
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#include <unistd.h>
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#include "xtimer.h"
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unsigned int sleep(unsigned int seconds)
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{
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xtimer_usleep64(seconds*SEC_IN_USEC);
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return 0;
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}
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int usleep(useconds_t usec)
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{
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xtimer_usleep64(usec);
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return 0;
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}
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@ -1,12 +1,6 @@
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APPLICATION = posix_sleep
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include ../Makefile.tests_common
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BOARD_BLACKLIST := arduino-mega2560
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# arduino-mega2560: warning: iteration 2u invokes undefined behavior
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# [-Waggressive-loop-optimizations]
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USEMODULE += posix
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DISABLE_MODULE += auto_init
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include $(RIOTBASE)/Makefile.include
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