129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
#ifndef QEMU_OSDEP_H
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#define QEMU_OSDEP_H
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#include "config-host.h"
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#include <stdarg.h>
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#include <stddef.h>
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#include "unicorn/platform.h"
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#include <sys/types.h>
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#ifdef __OpenBSD__
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#include <sys/signal.h>
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#endif
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#ifndef _WIN32
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#include <sys/wait.h>
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#else
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#define WIFEXITED(x) 1
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#define WEXITSTATUS(x) (x)
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#endif
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#if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10
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/* [u]int_fast*_t not in <sys/int_types.h> */
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typedef unsigned char uint_fast8_t;
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typedef unsigned int uint_fast16_t;
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typedef signed int int_fast16_t;
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#endif
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#ifndef glue
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#define xglue(x, y) x ## y
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#define glue(x, y) xglue(x, y)
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#define stringify(s) tostring(s)
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#define tostring(s) #s
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#endif
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#ifndef likely
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#if __GNUC__ < 3
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#define __builtin_expect(x, n) (x)
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#endif
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#endif
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#ifndef container_of
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#ifndef _MSC_VER
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#define container_of(ptr, type, member) ({ \
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const typeof(((type *) 0)->member) *__mptr = (ptr); \
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(type *) ((char *) __mptr - offsetof(type, member));})
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#else
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#define container_of(ptr, type, member) ((type *)((char *)(ptr) -offsetof(type,member)))
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#endif
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#endif
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/* Convert from a base type to a parent type, with compile time checking. */
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#ifdef __GNUC__
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#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
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char QEMU_UNUSED_VAR offset_must_be_zero[ \
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-offsetof(type, field)]; \
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container_of(dev, type, field);}))
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#else
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#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
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#endif
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#define typeof_field(type, field) typeof(((type *)0)->field)
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#define type_check(t1,t2) ((t1*)0 - (t2*)0)
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#ifndef MIN
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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/* Minimum function that returns zero only iff both values are zero.
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* Intended for use with unsigned values only. */
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#ifndef MIN_NON_ZERO
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#define MIN_NON_ZERO(a, b) (((a) != 0 && (a) < (b)) ? (a) : (b))
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#endif
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#ifndef ROUND_UP
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#define ROUND_UP(n,d) (((n) + (d) - 1) & -(d))
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#endif
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#ifndef DIV_ROUND_UP
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#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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#ifndef always_inline
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#if !((__GNUC__ < 3) || defined(__APPLE__))
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#ifdef __OPTIMIZE__
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#undef inline
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#define inline __attribute__ (( always_inline )) __inline__
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#endif
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#endif
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#else
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#undef inline
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#define inline always_inline
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#endif
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#define qemu_printf printf
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void *qemu_try_memalign(size_t alignment, size_t size);
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void *qemu_memalign(size_t alignment, size_t size);
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void *qemu_anon_ram_alloc(size_t size, uint64_t *align);
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void qemu_vfree(void *ptr);
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void qemu_anon_ram_free(void *ptr, size_t size);
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#if defined(__HAIKU__) && defined(__i386__)
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#define FMT_pid "%ld"
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#elif defined(WIN64)
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#define FMT_pid "%" PRId64
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#else
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#define FMT_pid "%d"
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#endif
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/**
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* qemu_getauxval:
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* @type: the auxiliary vector key to lookup
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*
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* Search the auxiliary vector for @type, returning the value
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* or 0 if @type is not present.
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*/
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unsigned long qemu_getauxval(unsigned long type);
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#endif
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