From b9e8dbfd957337ff064c4cb8bb5bd7b23ac88b8d Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Wed, 15 Oct 2025 13:01:39 -0400 Subject: kern: Add SYS_read system call for file I/O Signed-off-by: Ian Moffett --- src/sys/include/os/filedesc.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/sys/include/os') 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_ */ -- cgit v1.2.3