kern

annotate include/kdef.h @ 76:0fe6eef16335

holy fuck, copy_on_write didn't actually do the copy!!!!
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 05 Nov 2011 04:53:46 +0200
parents
children 7ff2b4971216
rev   line source
nuclear@72 1 /* definitions that must be in-sync between kernel and user space */
nuclear@72 2 #ifndef KERNEL_DEFS_H_
nuclear@72 3 #define KERNEL_DEFS_H_
nuclear@72 4
nuclear@72 5 /* --- defines for sys/wait.h */
nuclear@72 6 #if defined(KERNEL) || defined(KDEF_WAIT_H)
nuclear@72 7 #define WNOHANG 1
nuclear@72 8
nuclear@72 9 #define WEXITSTATUS(s) ((s) & _WSTATUS_MASK)
nuclear@72 10 #define WCOREDUMP(s) ((s) & _WCORE_BIT)
nuclear@72 11
nuclear@72 12 #define WIFEXITED(s) (_WREASON(s) == _WREASON_EXITED)
nuclear@72 13 #define WIFSIGNALED(s) (_WREASON(s) == _WREASON_SIGNALED)
nuclear@72 14
nuclear@72 15 /* implementation details */
nuclear@72 16 #define _WSTATUS_MASK 0xff
nuclear@72 17
nuclear@72 18 #define _WREASON_SHIFT 8
nuclear@72 19 #define _WREASON_MASK 0xf00
nuclear@72 20 #define _WREASON(s) (((s) & _WREASON_MASK) >> _WREASON_SHIFT)
nuclear@72 21
nuclear@72 22 #define _WREASON_EXITED 1
nuclear@72 23 #define _WREASON_SIGNALED 2
nuclear@72 24
nuclear@72 25 #define _WCORE_BIT 0x1000
nuclear@72 26 #endif /* sys/wait.h */
nuclear@72 27
nuclear@72 28
nuclear@72 29
nuclear@72 30 /* --- defines for errno.h */
nuclear@72 31 #if defined(KERNEL) || defined(KDEF_ERRNO_H)
nuclear@72 32 #define EAGAIN 1
nuclear@72 33 #define EINVAL 2
nuclear@72 34 #define ECHILD 3
nuclear@72 35 #endif /* errno.h */
nuclear@72 36
nuclear@72 37
nuclear@72 38 /* --- defines for syscall.h */
nuclear@72 39 #if defined(KERNEL) || defined(KDEF_SYSCALL_H)
nuclear@72 40
nuclear@72 41 #define SYSCALL_INT 0x80
nuclear@72 42
nuclear@72 43 #define SYS_HELLO 0
nuclear@72 44 #define SYS_SLEEP 1
nuclear@72 45 #define SYS_FORK 2
nuclear@72 46 #define SYS_EXIT 3
nuclear@72 47 #define SYS_WAITPID 4
nuclear@72 48 #define SYS_GETPID 5
nuclear@72 49 #define SYS_GETPPID 6
nuclear@72 50
nuclear@72 51 #define NUM_SYSCALLS 7
nuclear@72 52
nuclear@72 53 #endif /* syscall.h */
nuclear@72 54
nuclear@72 55 #endif /* KERNEL_DEFS_H_ */