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set_bit(9) - phpMan

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SET_BIT(9)                          Basic C Library Functions                          SET_BIT(9)



NAME
       set_bit - Atomically set a bit in memory

SYNOPSIS
       void set_bit(long nr, volatile unsigned long * addr);

ARGUMENTS
       nr
           the bit to set

       addr
           the address to start counting from

DESCRIPTION
       This function is atomic and may not be reordered. See __set_bit if you do not require the
       atomic guarantees.

NOTE
       there are no guarantees that this function will not be reordered on non x86 architectures,
       so if you are writing portable code, make sure not to rely on its reordering guarantees.

       Note that nr may be almost arbitrarily large; this function is not restricted to acting on
       a single-word quantity.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                                SET_BIT(9)


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