I noticed the new sched_{set,get}attr() calls didn't properly deal
with the SCHED_RESET_ON_FORK hack.
Instead of propagating the flags in high bits nonsense use the brand
spanking new attr::sched_flags field.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@gmail.com>
Cc: Dario Faggioli <raistlin@linux.it>
Link: http://lkml.kernel.org/r/20140115162242.GJ31570@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
		
	
			
		
			
				
	
	
		
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			52 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _UAPI_LINUX_SCHED_H
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#define _UAPI_LINUX_SCHED_H
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/*
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 * cloning flags:
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 */
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#define CSIGNAL		0x000000ff	/* signal mask to be sent at exit */
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#define CLONE_VM	0x00000100	/* set if VM shared between processes */
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#define CLONE_FS	0x00000200	/* set if fs info shared between processes */
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#define CLONE_FILES	0x00000400	/* set if open files shared between processes */
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#define CLONE_SIGHAND	0x00000800	/* set if signal handlers and blocked signals shared */
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#define CLONE_PTRACE	0x00002000	/* set if we want to let tracing continue on the child too */
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#define CLONE_VFORK	0x00004000	/* set if the parent wants the child to wake it up on mm_release */
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#define CLONE_PARENT	0x00008000	/* set if we want to have the same parent as the cloner */
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#define CLONE_THREAD	0x00010000	/* Same thread group? */
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#define CLONE_NEWNS	0x00020000	/* New namespace group? */
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#define CLONE_SYSVSEM	0x00040000	/* share system V SEM_UNDO semantics */
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#define CLONE_SETTLS	0x00080000	/* create a new TLS for the child */
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#define CLONE_PARENT_SETTID	0x00100000	/* set the TID in the parent */
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#define CLONE_CHILD_CLEARTID	0x00200000	/* clear the TID in the child */
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#define CLONE_DETACHED		0x00400000	/* Unused, ignored */
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#define CLONE_UNTRACED		0x00800000	/* set if the tracing process can't force CLONE_PTRACE on this clone */
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#define CLONE_CHILD_SETTID	0x01000000	/* set the TID in the child */
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/* 0x02000000 was previously the unused CLONE_STOPPED (Start in stopped state)
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   and is now available for re-use. */
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#define CLONE_NEWUTS		0x04000000	/* New utsname group? */
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#define CLONE_NEWIPC		0x08000000	/* New ipcs */
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#define CLONE_NEWUSER		0x10000000	/* New user namespace */
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#define CLONE_NEWPID		0x20000000	/* New pid namespace */
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#define CLONE_NEWNET		0x40000000	/* New network namespace */
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#define CLONE_IO		0x80000000	/* Clone io context */
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/*
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 * Scheduling policies
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 */
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#define SCHED_NORMAL		0
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#define SCHED_FIFO		1
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#define SCHED_RR		2
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#define SCHED_BATCH		3
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/* SCHED_ISO: reserved but not implemented yet */
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#define SCHED_IDLE		5
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#define SCHED_DEADLINE		6
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/* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */
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#define SCHED_RESET_ON_FORK     0x40000000
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/*
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 * For the sched_{set,get}attr() calls
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 */
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#define SCHED_FLAG_RESET_ON_FORK	0x01
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#endif /* _UAPI_LINUX_SCHED_H */
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