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      1 #ifndef _LINUX_SCHED_H
      2 #define _LINUX_SCHED_H
      3 
      4 /*
      5  * cloning flags:
      6  */
      7 #define CSIGNAL		0x000000ff	/* signal mask to be sent at exit */
      8 #define CLONE_VM	0x00000100	/* set if VM shared between processes */
      9 #define CLONE_FS	0x00000200	/* set if fs info shared between processes */
     10 #define CLONE_FILES	0x00000400	/* set if open files shared between processes */
     11 #define CLONE_SIGHAND	0x00000800	/* set if signal handlers and blocked signals shared */
     12 #define CLONE_PTRACE	0x00002000	/* set if we want to let tracing continue on the child too */
     13 #define CLONE_VFORK	0x00004000	/* set if the parent wants the child to wake it up on mm_release */
     14 #define CLONE_PARENT	0x00008000	/* set if we want to have the same parent as the cloner */
     15 #define CLONE_THREAD	0x00010000	/* Same thread group? */
     16 #define CLONE_NEWNS	0x00020000	/* New namespace group? */
     17 #define CLONE_SYSVSEM	0x00040000	/* share system V SEM_UNDO semantics */
     18 #define CLONE_SETTLS	0x00080000	/* create a new TLS for the child */
     19 #define CLONE_PARENT_SETTID	0x00100000	/* set the TID in the parent */
     20 #define CLONE_CHILD_CLEARTID	0x00200000	/* clear the TID in the child */
     21 #define CLONE_DETACHED		0x00400000	/* Unused, ignored */
     22 #define CLONE_UNTRACED		0x00800000	/* set if the tracing process can't force CLONE_PTRACE on this clone */
     23 #define CLONE_CHILD_SETTID	0x01000000	/* set the TID in the child */
     24 /* 0x02000000 was previously the unused CLONE_STOPPED (Start in stopped state)
     25    and is now available for re-use. */
     26 #define CLONE_NEWUTS		0x04000000	/* New utsname group? */
     27 #define CLONE_NEWIPC		0x08000000	/* New ipcs */
     28 #define CLONE_NEWUSER		0x10000000	/* New user namespace */
     29 #define CLONE_NEWPID		0x20000000	/* New pid namespace */
     30 #define CLONE_NEWNET		0x40000000	/* New network namespace */
     31 #define CLONE_IO		0x80000000	/* Clone io context */
     32 
     33 /*
     34  * Scheduling policies
     35  */
     36 #define SCHED_NORMAL		0
     37 #define SCHED_FIFO		1
     38 #define SCHED_RR		2
     39 #define SCHED_BATCH		3
     40 /* SCHED_ISO: reserved but not implemented yet */
     41 #define SCHED_IDLE		5
     42 /* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */
     43 #define SCHED_RESET_ON_FORK     0x40000000
     44 
     45 
     46 #endif
     47