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Annotation of Gnu-Mach/linux/dev/kernel/softirq.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  *    linux/kernel/softirq.c
                      3:  *
                      4:  *      Copyright (C) 1992 Linus Torvalds
                      5:  *
                      6:  * do_bottom_half() runs at normal kernel priority: all interrupts
                      7:  * enabled.  do_bottom_half() is atomic with respect to itself: a
                      8:  * bottom_half handler need not be re-entrant.
                      9:  */
                     10: 
                     11: #define MACH_INCLUDE
                     12: #include <linux/ptrace.h>
                     13: #include <linux/interrupt.h>
                     14: #include <asm/system.h>
                     15: 
                     16: int bh_mask_count[32];
                     17: unsigned long bh_active = 0;
                     18: unsigned long bh_mask = 0;
                     19: void (*bh_base[32]) (void);
                     20: 
                     21: void
                     22: linux_soft_intr (void)
                     23: {
                     24:   unsigned long active;
                     25:   unsigned long mask, left;
                     26:   void (**bh) (void);
                     27: 
                     28:   sti ();
                     29:   bh = bh_base;
                     30:   active = bh_active & bh_mask;
                     31:   for (mask = 1, left = ~0; left & active; bh++, mask += mask, left += left)
                     32:     {
                     33:       if (mask & active)
                     34:        {
                     35:          void (*fn) (void);
                     36:          bh_active &= ~mask;
                     37:          fn = *bh;
                     38:          if (!fn)
                     39:            goto bad_bh;
                     40:          fn ();
                     41:        }
                     42:     }
                     43:   return;
                     44: bad_bh:
                     45:   printk ("linux_soft_intr:bad interrupt handler entry %08lx\n", mask);
                     46: }

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