kern: Add SYS_read system call for file I/O

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/sys/include/os/filedesc.h b/src/sys/include/os/filedesc.h
index 0023526..8cdf161 100644
--- a/src/sys/include/os/filedesc.h
+++ b/src/sys/include/os/filedesc.h
@@ -93,4 +93,16 @@ int fd_open(const char *path, mode_t mode);
  */
 ssize_t write(int fd, const void *buf, size_t count);
 
+/*
+ * Read a file descriptor
+ *
+ * @fd: File descriptor to read from
+ * @buf: Buffer to read into
+ * @count: Number of bytes to read
+ *
+ * Returns the number of bytes read on success, otherwise a less
+ * than zero value on error.
+ */
+ssize_t read(int fd, void *buf, size_t count);
+
 #endif  /* !_OS_FILEDESC_H_ */