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Merge pull request #11796 from hugueskamba/hk-add-minimal-console-to-retarget 

mbed_retarget: Add a minimal console implementation to provide basic functionalities
pull/11713/head
Martin Kojtal 2019-11-13 17:11:27 +01:00 committed by GitHub
parent 249d35c873 051991fafb
commit eab1c2e594
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 226 additions and 18 deletions
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6
platform/Stream.h
View File

@ -45,6 +45,7 @@ public:
Stream(const char *name = NULL);
virtual ~Stream();
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
int putc(int c);
int puts(const char *s);
int getc();
@ -59,7 +60,7 @@ public:
return _file;
}
protected:
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
virtual int close();
virtual ssize_t write(const void *buffer, size_t length);
virtual ssize_t read(void *buffer, size_t length);
@ -70,10 +71,13 @@ protected:
virtual int sync();
virtual off_t size();
protected:
virtual int _putc(int c) = 0;
virtual int _getc() = 0;
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
std::FILE *_file;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/** Acquire exclusive access to this object.
*/

2
platform/cxxsupport/mstd_mutex
View File

@ -373,7 +373,7 @@ private:
template <class Callable, class... Args>
void call_once(once_flag &flag, Callable&& f, Args&&... args)
{
if (!(core_util_atomic_load_explicit(&flag.__guard, mbed_memory_order_acquire) & 1)) {
if (!(core_util_atomic_load_explicit((uint8_t *)&flag.__guard, mbed_memory_order_acquire) & 1)) {
if (__cxa_guard_acquire(&flag.__guard)) {
mstd::invoke(mstd::forward<Callable>(f), mstd::forward<Args>(args)...);
__cxa_guard_release(&flag.__guard);

7
platform/mbed_lib.json
View File

@ -12,7 +12,12 @@
},
"stdio-buffered-serial": {
"help": "(Applies if target.console-uart is true.) Use UARTSerial driver to obtain buffered serial I/O on stdin/stdout/stderr. If false, unbuffered serial_getc and serial_putc are used directly.",
"help": "(Applies if target.console-uart is true and stdio-minimal-console-only is false.) Use UARTSerial driver to obtain buffered serial I/O on stdin/stdout/stderr. If false, unbuffered serial_getc and serial_putc are used directly.",
"value": false
},
"stdio-minimal-console-only": {
"help": "(Ignores stdio-buffered-serial) Creates a console for basic unbuffered I/O operations. Enable if your application does not require file handles to access the serial interface. The POSIX `fsync` function will always an error.",
"value": false
},

38
platform/mbed_retarget.h
View File

@ -82,6 +82,7 @@ typedef unsigned int gid_t; ///< Group ID
/** \addtogroup platform-public-api */
/** @{*/
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/**
* \defgroup platform_retarget Retarget functions
* @{
@ -90,7 +91,6 @@ typedef unsigned int gid_t; ///< Group ID
/* DIR declarations must also be here */
#if __cplusplus
namespace mbed {
class FileHandle;
class DirHandle;
@ -185,6 +185,7 @@ typedef mbed::DirHandle DIR;
#else
typedef struct Dir DIR;
#endif
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* The intent of this section is to unify the errno error values to match
* the POSIX definitions for the GCC_ARM, ARMCC and IAR compilers. This is
@ -559,6 +560,7 @@ struct pollfd {
#if __cplusplus
extern "C" {
#endif
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
int open(const char *path, int oflag, ...);
#ifndef __IAR_SYSTEMS_ICC__ /* IAR provides fdopen itself */
#if __cplusplus
@ -567,12 +569,14 @@ extern "C" {
FILE *fdopen(int fildes, const char *mode);
#endif
#endif
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
ssize_t write(int fildes, const void *buf, size_t nbyte);
ssize_t read(int fildes, void *buf, size_t nbyte);
int fsync(int fildes);
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
off_t lseek(int fildes, off_t offset, int whence);
int ftruncate(int fildes, off_t length);
int isatty(int fildes);
int fsync(int fildes);
int fstat(int fildes, struct stat *st);
int fcntl(int fildes, int cmd, ...);
int poll(struct pollfd fds[], nfds_t nfds, int timeout);
@ -586,11 +590,12 @@ extern "C" {
long telldir(DIR *);
void seekdir(DIR *, long);
int mkdir(const char *name, mode_t n);
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#if __cplusplus
}; // extern "C"
namespace mbed {
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/** This call is an analogue to POSIX fdopen().
*
* It associates a C stream to an already-opened FileHandle, to allow you to
@ -619,6 +624,33 @@ std::FILE *fdopen(mbed::FileHandle *fh, const char *mode);
*/
int bind_to_fd(mbed::FileHandle *fh);
#else
/** Targets may implement this to override how to write to the console.
*
* If the target has provided minimal_console_putc, this is called
* to give the target a chance to specify an alternative minimal console.
*
* If this is not provided, serial_putc will be used if
* `target.console-uart` is `true`, else there will not be an output.
*
* @param c The char to write
* @return The written char
*/
int minimal_console_putc(int c);
/** Targets may implement this to override how to read from the console.
*
* If the target has provided minimal_console_getc, this is called
* to give the target a chance to specify an alternative minimal console.
*
* If this is not provided, serial_getc will be used if
* `target.console-uart` is `true`, else no input would be captured.
*
* @return The char read from the serial port
*/
int minimal_console_getc();
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
} // namespace mbed
#endif // __cplusplus

16
platform/source/Stream.cpp
View File

@ -20,9 +20,14 @@
namespace mbed {
Stream::Stream(const char *name) : FileLike(name), _file(NULL)
Stream::Stream(const char *name) :
FileLike(name)
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
, _file(NULL)
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
{
// No lock needed in constructor
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* open ourselves */
_file = fdopen(this, "w+");
// fdopen() will make us buffered because Stream::isatty()
@ -33,14 +38,18 @@ Stream::Stream(const char *name) : FileLike(name), _file(NULL)
} else {
MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_OPEN_FAILED), "Stream obj failure", _file);
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
Stream::~Stream()
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
// No lock can be used in destructor
fclose(_file);
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
int Stream::putc(int c)
{
lock();
@ -73,6 +82,7 @@ char *Stream::gets(char *s, int size)
unlock();
return ret;
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
int Stream::close()
{
@ -142,6 +152,8 @@ off_t Stream::size()
return 0;
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
int Stream::printf(const char *format, ...)
{
lock();
@ -184,4 +196,6 @@ int Stream::vscanf(const char *format, std::va_list args)
return r;
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
} // namespace mbed

174
platform/source/mbed_retarget.cpp
View File

@ -15,6 +15,7 @@
* limitations under the License.
*/
#include <mstd_mutex>
#include <time.h>
#include "platform/platform.h"
#include "platform/FilePath.h"
@ -75,6 +76,12 @@ asm(" .global __use_full_stdio\n");
# define PREFIX(x) x
#endif
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
# define RETARGET_OPEN_MAX OPEN_MAX
#else
# define RETARGET_OPEN_MAX 3
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#define FILE_HANDLE_RESERVED ((FileHandle*)0xFFFFFFFF)
/**
@ -104,20 +111,25 @@ extern const char __stderr_name[] = "/stderr";
unsigned char *mbed_heap_start = 0;
uint32_t mbed_heap_size = 0;
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* newlib has the filehandle field in the FILE struct as a short, so
* we can't just return a Filehandle* from _open and instead have to
* put it in a filehandles array and return the index into that array
*/
static FileHandle *filehandles[OPEN_MAX] = { FILE_HANDLE_RESERVED, FILE_HANDLE_RESERVED, FILE_HANDLE_RESERVED };
static char stdio_in_prev[OPEN_MAX];
static char stdio_out_prev[OPEN_MAX];
static FileHandle *filehandles[RETARGET_OPEN_MAX] = { FILE_HANDLE_RESERVED, FILE_HANDLE_RESERVED, FILE_HANDLE_RESERVED };
static SingletonPtr<PlatformMutex> filehandle_mutex;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
static char stdio_in_prev[RETARGET_OPEN_MAX];
static char stdio_out_prev[RETARGET_OPEN_MAX];
namespace mbed {
void mbed_set_unbuffered_stream(std::FILE *_file);
void remove_filehandle(FileHandle *file)
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
filehandle_mutex->lock();
/* Remove all open filehandles for this */
for (unsigned int fh_i = 0; fh_i < sizeof(filehandles) / sizeof(*filehandles); fh_i++) {
@ -126,6 +138,7 @@ void remove_filehandle(FileHandle *file)
}
}
filehandle_mutex->unlock();
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
}
@ -208,7 +221,36 @@ short DirectSerial::poll(short events) const
}
return revents;
}
#if MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
# if MBED_CONF_TARGET_CONSOLE_UART
static void do_serial_init()
{
if (stdio_uart_inited) {
return;
}
serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
serial_baud(&stdio_uart, MBED_CONF_PLATFORM_STDIO_BAUD_RATE);
#if CONSOLE_FLOWCONTROL == CONSOLE_FLOWCONTROL_RTS
serial_set_flow_control(&stdio_uart, FlowControlRTS, STDIO_UART_RTS, NC);
#elif CONSOLE_FLOWCONTROL == CONSOLE_FLOWCONTROL_CTS
serial_set_flow_control(&stdio_uart, FlowControlCTS, NC, STDIO_UART_CTS);
#elif CONSOLE_FLOWCONTROL == CONSOLE_FLOWCONTROL_RTSCTS
serial_set_flow_control(&stdio_uart, FlowControlRTSCTS, STDIO_UART_RTS, STDIO_UART_CTS);
#endif
}
static void do_serial_init_once()
{
static mstd::once_flag once;
mstd::call_once(once, do_serial_init);
}
#endif // MBED_CONF_TARGET_CONSOLE_UART
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#endif // DEVICE_SERIAL
class Sink : public FileHandle {
public:
@ -247,7 +289,7 @@ ssize_t Sink::read(void *buffer, size_t size)
return 1;
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
MBED_WEAK FileHandle *mbed::mbed_target_override_console(int fd)
{
return NULL;
@ -292,11 +334,14 @@ static FileHandle *get_console(int fd)
}
return default_console();
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
namespace mbed {
/* Deal with the fact C library may not _open descriptors 0, 1, 2 - auto bind */
FileHandle *mbed::mbed_file_handle(int fd)
FileHandle *mbed_file_handle(int fd)
{
if (fd >= OPEN_MAX) {
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
if (fd >= RETARGET_OPEN_MAX) {
return NULL;
}
FileHandle *fh = filehandles[fd];
@ -304,8 +349,14 @@ FileHandle *mbed::mbed_file_handle(int fd)
filehandles[fd] = fh = get_console(fd);
}
return fh;
#else
return nullptr;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/**
* Sets errno when file opening fails.
* Wipes out the filehandle too.
@ -374,13 +425,13 @@ static int reserve_filehandle()
// find the first empty slot in filehandles, after the slots reserved for stdin/stdout/stderr
filehandle_mutex->lock();
int fh_i;
for (fh_i = 3; fh_i < OPEN_MAX; fh_i++) {
for (fh_i = 3; fh_i < RETARGET_OPEN_MAX; fh_i++) {
/* Take a next free filehandle slot available. */
if (filehandles[fh_i] == NULL) {
break;
}
}
if (fh_i >= OPEN_MAX) {
if (fh_i >= RETARGET_OPEN_MAX) {
/* Too many file handles have been opened */
errno = EMFILE;
filehandle_mutex->unlock();
@ -392,6 +443,7 @@ static int reserve_filehandle()
return fh_i;
}
int mbed::bind_to_fd(FileHandle *fh)
{
int fildes = reserve_filehandle();
@ -455,6 +507,8 @@ std::FILE *fdopen(FileHandle *fh, const char *mode)
return stream;
}
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* @brief standard c library fopen() retargeting function.
*
@ -508,16 +562,23 @@ extern "C" FILEHANDLE PREFIX(_open)(const char *name, int openflags)
}
#endif
#ifndef __IAR_SYSTEMS_ICC__
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* FILENAME: "@(integer)" gives an already-allocated descriptor */
if (name[0] == '@') {
int fd;
memcpy(&fd, name + 1, sizeof fd);
return fd;
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#endif
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
return open(name, openflags_to_posix(openflags));
#else
return -1;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" int open(const char *name, int oflag, ...)
{
int fildes = reserve_filehandle();
@ -554,12 +615,18 @@ extern "C" int open(const char *name, int oflag, ...)
return fildes;
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" int PREFIX(_close)(FILEHANDLE fh)
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
return close(fh);
#else
return 0;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" int close(int fildes)
{
FileHandle *fhc = mbed_file_handle(fildes);
@ -577,6 +644,7 @@ extern "C" int close(int fildes)
return 0;
}
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
static bool convert_crlf(int fd)
{
@ -673,7 +741,20 @@ finish:
extern "C" ssize_t write(int fildes, const void *buf, size_t length)
{
#if MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
if (fildes != STDOUT_FILENO && fildes != STDERR_FILENO) {
errno = EBADF;
return -1
}
const unsigned char *buffer = static_cast<const unsigned char *>(buf);
for (size_t i = 0; i < length; i++) {
mbed::minimal_console_putc(buffer[i]);
}
ssize_t ret = length;
#else
FileHandle *fhc = mbed_file_handle(fildes);
if (fhc == NULL) {
errno = EBADF;
@ -681,6 +762,7 @@ extern "C" ssize_t write(int fildes, const void *buf, size_t length)
}
ssize_t ret = fhc->write(buf, length);
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
if (ret < 0) {
errno = -ret;
return -1;
@ -689,6 +771,18 @@ extern "C" ssize_t write(int fildes, const void *buf, size_t length)
}
}
#if MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* Write one character to a serial interface */
MBED_WEAK int mbed::minimal_console_putc(int c)
{
#if MBED_CONF_TARGET_CONSOLE_UART && DEVICE_SERIAL
do_serial_init_once();
serial_putc(&stdio_uart, c);
#endif // MBED_CONF_TARGET_CONSOLE_UART && DEVICE_SERIAL
return c;
}
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
extern "C" void PREFIX(_exit)(int return_code)
{
@ -768,6 +862,23 @@ extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int
extern "C" ssize_t read(int fildes, void *buf, size_t length)
{
#if MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
if (fildes != STDIN_FILENO && fildes != STDERR_FILENO) {
errno = EBADF;
return -1;
}
if (length == 0) {
return 0;
}
unsigned char *buffer = static_cast<unsigned char *>(buf);
buf[0] = minimal_console_getc();
ssize_t ret = 1;
#else
FileHandle *fhc = mbed_file_handle(fildes);
if (fhc == NULL) {
errno = EBADF;
@ -775,6 +886,7 @@ extern "C" ssize_t read(int fildes, void *buf, size_t length)
}
ssize_t ret = fhc->read(buf, length);
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
if (ret < 0) {
errno = -ret;
return -1;
@ -783,6 +895,19 @@ extern "C" ssize_t read(int fildes, void *buf, size_t length)
}
}
#if MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
/* Read a character from the serial interface */
MBED_WEAK int mbed::minimal_console_getc()
{
#if MBED_CONF_TARGET_CONSOLE_UART && DEVICE_SERIAL
do_serial_init_once();
return serial_getc(&stdio_uart);
#else
return 0;
#endif // MBED_CONF_TARGET_CONSOLE_UART && DEVICE_SERIAL
}
#endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#ifdef __ARMCC_VERSION
extern "C" int PREFIX(_istty)(FILEHANDLE fh)
@ -790,9 +915,15 @@ extern "C" int PREFIX(_istty)(FILEHANDLE fh)
extern "C" int _isatty(FILEHANDLE fh)
#endif
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
return isatty(fh);
#else
// Is attached to an interactive device
return 1;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" int isatty(int fildes)
{
FileHandle *fhc = mbed_file_handle(fildes);
@ -809,6 +940,7 @@ extern "C" int isatty(int fildes)
return tty;
}
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C"
#if defined(__ARMCC_VERSION)
@ -819,6 +951,7 @@ long __lseek(int fh, long offset, int whence)
int _lseek(FILEHANDLE fh, int offset, int whence)
#endif
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#if defined(__ARMCC_VERSION)
int whence = SEEK_SET;
#endif
@ -832,8 +965,13 @@ int _lseek(FILEHANDLE fh, int offset, int whence)
return -1;
}
return off;
#else
// Not supported
return -1;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" off_t lseek(int fildes, off_t offset, int whence)
{
FileHandle *fhc = mbed_file_handle(fildes);
@ -873,9 +1011,11 @@ extern "C" int PREFIX(_ensure)(FILEHANDLE fh)
return fsync(fh);
}
#endif
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" int fsync(int fildes)
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
FileHandle *fhc = mbed_file_handle(fildes);
if (fhc == NULL) {
errno = EBADF;
@ -889,11 +1029,16 @@ extern "C" int fsync(int fildes)
} else {
return 0;
}
#else
return -1;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
#ifdef __ARMCC_VERSION
extern "C" long PREFIX(_flen)(FILEHANDLE fh)
{
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
FileHandle *fhc = mbed_file_handle(fh);
if (fhc == NULL) {
errno = EBADF;
@ -910,6 +1055,10 @@ extern "C" long PREFIX(_flen)(FILEHANDLE fh)
return -1;
}
return size;
#else
// Not supported
return -1;
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
}
// Do not compile this code for TFM secure target
@ -982,7 +1131,7 @@ extern "C" __value_in_regs struct __initial_stackheap __user_setup_stackheap(uin
#endif
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
extern "C" int _fstat(int fh, struct stat *st)
{
@ -1041,12 +1190,12 @@ extern "C" int fcntl(int fildes, int cmd, ...)
extern "C" int poll(struct pollfd fds[], nfds_t nfds, int timeout)
{
if (nfds > OPEN_MAX) {
if (nfds > RETARGET_OPEN_MAX) {
errno = EINVAL;
return -1;
}
struct mbed::pollfh fhs[OPEN_MAX];
struct mbed::pollfh fhs[RETARGET_OPEN_MAX];
for (nfds_t n = 0; n < nfds; n++) {
// Underlying FileHandle poll returns POLLNVAL if given NULL, so
// we don't need to take special action.
@ -1059,6 +1208,7 @@ extern "C" int poll(struct pollfd fds[], nfds_t nfds, int timeout)
}
return ret;
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
namespace std {
extern "C" int remove(const char *path)
@ -1126,6 +1276,7 @@ extern "C" char *_sys_command_string(char *cmd, int len)
}
#endif
#if !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
extern "C" DIR *opendir(const char *path)
{
FilePath fp(path);
@ -1238,6 +1389,7 @@ extern "C" int statvfs(const char *path, struct statvfs *buf)
return 0;
}
}
#endif // !MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
#if defined(TOOLCHAIN_GCC)
/* prevents the exception handling name demangling code getting pulled in */

1
tools/test/travis-ci/doxy-spellchecker/ignore.en.pws
View File

@ -110,4 +110,5 @@ pppd
pppdebug
ppp
api
uart
_doxy_