Files
pintos_22/tests/devices/src/lib/syscall-nr.h

35 lines
1.4 KiB
C

#ifndef __LIB_SYSCALL_NR_H
#define __LIB_SYSCALL_NR_H
/* System call numbers. */
enum
{
/* Tasks 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_CREATE, /* Create a file. */
SYS_REMOVE, /* Delete a file. */
SYS_OPEN, /* Open a file. */
SYS_FILESIZE, /* Obtain a file's size. */
SYS_READ, /* Read from a file. */
SYS_WRITE, /* Write to a file. */
SYS_SEEK, /* Change position in a file. */
SYS_TELL, /* Report current position in a file. */
SYS_CLOSE, /* Close a file. */
/* Task 3 and optionally task 4. */
SYS_MMAP, /* Map a file into memory. */
SYS_MUNMAP, /* Remove a memory mapping. */
/* Task 4 only. */
SYS_CHDIR, /* Change the current directory. */
SYS_MKDIR, /* Create a directory. */
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 */