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Experimental virtual file support

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QuRT does not have a filesystem, so creating a virtual filesystem
that could be implemented as an in-memory file or a remote file
over fastRPC.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
This commit is contained in:
Mark Charlebois
2015-05-06 22:12:45 -07:00
parent 35e6822d95
commit 6db77dc8bb
11 changed files with 206 additions and 23 deletions
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src/platforms/px4_posix.h
+11 -5
View File
@@ -43,14 +43,16 @@
#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <poll.h>
#include <semaphore.h>
#define PX4_F_RDONLY 1
#define PX4_F_WRONLY 2
#ifdef __PX4_NUTTX
#define PX4_F_RDONLY 1
#define PX4_F_WRONLY 2
typedef struct pollfd px4_pollfd_struct_t;
#if defined(__cplusplus)
@@ -64,11 +66,13 @@ typedef struct pollfd px4_pollfd_struct_t;
#define px4_write _GLOBAL write
#define px4_read _GLOBAL read
#define px4_poll _GLOBAL poll
#define px4_fsync _GLOBAL fsync
#elif defined(__PX4_POSIX)
#define PX4_F_RDONLY 1
#define PX4_F_WRONLY 2
#define PX4_F_RDONLY O_RDONLY
#define PX4_F_WRONLY O_WRONLY
#define PX4_F_CREAT O_CREAT
typedef short pollevent_t;
@@ -85,12 +89,13 @@ typedef struct {
__BEGIN_DECLS
__EXPORT int px4_open(const char *path, int flags);
__EXPORT int px4_open(const char *path, int flags, ...);
__EXPORT int px4_close(int fd);
__EXPORT ssize_t px4_read(int fd, void *buffer, size_t buflen);
__EXPORT ssize_t px4_write(int fd, const void *buffer, size_t buflen);
__EXPORT int px4_ioctl(int fd, int cmd, unsigned long arg);
__EXPORT int px4_poll(px4_pollfd_struct_t *fds, nfds_t nfds, int timeout);
__EXPORT int px4_fsync(int fd);
__END_DECLS
#else
@@ -101,6 +106,7 @@ __BEGIN_DECLS
extern int px4_errno;
__EXPORT void px4_show_devices(void);
__EXPORT void px4_show_files(void);
__EXPORT const char * px4_get_device_names(unsigned int *handle);
__EXPORT void px4_show_topics(void);