INTRO (9) NetBSD Kernel Developer's Manual INTRO (9) NAME ...

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MAKEIPLCOOKIE (9) NetBSD Kernel Developer’s Manual MAKEIPLCOOKIE (9)NAMEmakeiplcookie —compose an ipl cookieSYNOPSIS#include ipl_cookie_tmakeiplcookie(ipl_t ipl);DESCRIPTIONmakeiplcookie() composes a cookie which can be fed into splraiseipl. ipl should be one ofIPL_ constants.RETURN VALUESmakeiplcookie() returns a composed cookie.SEE ALSOspl(9), splraiseipl(9)NetBSD 3.0 December 22, 2006 1
MALLOC (9) NetBSD Kernel Developer’s Manual MALLOC (9)NAMEmalloc, MALLOC, realloc, free, FREE, malloc_roundup, malloc_type_attach,malloc_type_detach, malloc_type_setlimit, MALLOC_DEFINE_LIMIT, MALLOC_DEFINE,MALLOC_DECLARE —general-purpose kernel memory allocatorSYNOPSIS#include void ∗malloc(unsigned long size , struct malloc_type ∗type , int flags);MALLOC(space , cast , unsigned long size , struct malloc_type ∗type , int flags);void ∗realloc(void ∗addr , unsigned long newsize , struct malloc_type ∗type ,int flags);voidfree(void ∗addr , struct malloc_type ∗type);FREE(void ∗addr , struct malloc_type ∗type);unsigned longmalloc_roundup(unsigned long size);voidmalloc_type_attach(struct malloc_type ∗type);voidmalloc_type_detach(struct malloc_type ∗type);voidmalloc_type_setlimit(struct malloc_type ∗type , unsigned long limit);#include MALLOC_DEFINE_LIMIT(type , shortdesc , longdesc , limit);MALLOC_JUSTDEFINE_LIMIT(type , shortdesc , longdesc , limit);MALLOC_DEFINE(type , shortdesc , longdesc);MALLOC_JUSTDEFINE(type , shortdesc , longdesc);MALLOC_DECLARE(type);DESCRIPTIONThese interfaces are being obsoleted and their new use is discouraged. For new code, please considerto use kmem_alloc(9) or pool_cache(9) instead.The malloc() function allocates uninitialized memory in kernel address space for an object whose size isspecified by size. malloc_roundup() returns the actual size of the allocation unit for the given value.free() releases memory at address addr that was previously allocated by malloc() for re-use. Unlikefree(3), free() does not accept an addr argument that is NULL.The realloc() function changes the size of the previously allocated memory referenced by addr to sizeand returns a pointer to the (possibly moved) object. The memory contents are unchanged up to the lesserof the new and old sizes. If the new size is larger, the newly allocated memory is uninitialized. If therequested memory cannot be allocated, NULL is returned and the memory referenced by addr is unchanged.If addr is NULL, then realloc() behaves exactly as malloc(). If the new size is 0, then realloc()NetBSD 3.0 March 24, 2008 1
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