/* Projects 2 and later. */
SYS_HALT, /* Halt the operating system. */
SYS_EXIT, /* Terminate this process. */
+ SYS_EXEC, /* Start another process. */
SYS_WAIT, /* Wait for a child process to die. */
- SYS_YIELD, /* Yield to another process. */
SYS_CREATE, /* Create a file. */
SYS_REMOVE, /* Delete a file. */
SYS_OPEN, /* Open a file. */
/* Project 4 only. */
SYS_CHDIR, /* Change the current directory. */
SYS_MKDIR, /* Create a directory. */
- SYS_LSDIR /* List the current directory to stdout. */
+ SYS_READDIR, /* Reads a directory entry. */
+ SYS_ISDIR, /* Tests if a fd represents a directory. */
+ SYS_INUMBER /* Returns the inode number for a fd. */
};
#endif /* lib/syscall-nr.h */