/* * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ #ifndef __UM_THREAD_INFO_H #define __UM_THREAD_INFO_H #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/page.h> #include <asm/segment.h> #include <sysdep/ptrace_user.h> struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; /* low level flags */ __u32 cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ mm_segment_t addr_limit; /* thread address space: 0-0xBFFFFFFF for user 0-0xFFFFFFFF for kernel */ struct thread_info *real_thread; /* Points to non-IRQ stack */ unsigned long aux_fp_regs[FP_SIZE]; /* auxiliary fp_regs to save/restore them out-of-band */ }; #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .real_thread = NULL, \ } #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) #define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) /* how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; unsigned long mask = THREAD_SIZE - 1; void *p; asm volatile ("" : "=r" (p) : "0" (&ti)); ti = (struct thread_info *) (((unsigned long)p) & ~mask); return ti; } #define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER #endif #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_RESTART_BLOCK 4 #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 6 #define TIF_RESTORE_SIGMASK 7 #define TIF_NOTIFY_RESUME 8 #define TIF_SECCOMP 9 /* secure computing */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #endif
Name | Type | Size | Permission | Actions |
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Kbuild | File | 702 B | 0644 |
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a.out-core.h | File | 695 B | 0644 |
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bugs.h | File | 111 B | 0644 |
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cache.h | File | 483 B | 0644 |
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common.lds.S | File | 1.76 KB | 0644 |
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dma.h | File | 180 B | 0644 |
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fixmap.h | File | 1.63 KB | 0644 |
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hardirq.h | File | 558 B | 0644 |
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io.h | File | 339 B | 0644 |
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irq.h | File | 493 B | 0644 |
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irqflags.h | File | 865 B | 0644 |
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kmap_types.h | File | 219 B | 0644 |
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kvm_para.h | File | 34 B | 0644 |
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mmu.h | File | 558 B | 0644 |
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mmu_context.h | File | 1.87 KB | 0644 |
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page.h | File | 3.15 KB | 0644 |
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pgalloc.h | File | 1.46 KB | 0644 |
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pgtable-2level.h | File | 1.32 KB | 0644 |
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pgtable-3level.h | File | 2.88 KB | 0644 |
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pgtable.h | File | 9.88 KB | 0644 |
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processor-generic.h | File | 1.87 KB | 0644 |
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ptrace-generic.h | File | 1.13 KB | 0644 |
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sections.h | File | 219 B | 0644 |
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setup.h | File | 273 B | 0644 |
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smp.h | File | 121 B | 0644 |
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stacktrace.h | File | 1.06 KB | 0644 |
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syscall-generic.h | File | 2.67 KB | 0644 |
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sysrq.h | File | 182 B | 0644 |
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thread_info.h | File | 2.15 KB | 0644 |
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timex.h | File | 151 B | 0644 |
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tlb.h | File | 4.23 KB | 0644 |
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tlbflush.h | File | 978 B | 0644 |
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uaccess.h | File | 1.65 KB | 0644 |
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unwind.h | File | 213 B | 0644 |
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