1 #ifndef __LIB_SYSCALL_NR_H
2 #define __LIB_SYSCALL_NR_H
4 /* System call numbers. */
7 /* Projects 2 and later. */
8 SYS_HALT, /* Halt the operating system. */
9 SYS_EXIT, /* Terminate this process. */
10 SYS_EXEC, /* Start another process. */
11 SYS_WAIT, /* Wait for a child process to die. */
12 SYS_CREATE, /* Create a file. */
13 SYS_REMOVE, /* Delete a file. */
14 SYS_OPEN, /* Open a file. */
15 SYS_FILESIZE, /* Obtain a file's size. */
16 SYS_READ, /* Read from a file. */
17 SYS_WRITE, /* Write to a file. */
18 SYS_SEEK, /* Change position in a file. */
19 SYS_TELL, /* Report current position in a file. */
20 SYS_CLOSE, /* Close a file. */
22 /* Project 3 and optionally project 4. */
23 SYS_MMAP, /* Map a file into memory. */
24 SYS_MUNMAP, /* Remove a memory mapping. */
27 SYS_CHDIR, /* Change the current directory. */
28 SYS_MKDIR, /* Create a directory. */
29 SYS_READDIR, /* Reads a directory entry. */
30 SYS_ISDIR, /* Tests if a fd represents a directory. */
31 SYS_INUMBER /* Returns the inode number for a fd. */
34 #endif /* lib/syscall-nr.h */