4 #include "config-host.h"
10 #include <sys/signal.h>
16 #define WIFEXITED(x) 1
17 #define WEXITSTATUS(x) (x)
22 #if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10
23 /* [u]int_fast*_t not in <sys/int_types.h> */
24 typedef unsigned char uint_fast8_t;
25 typedef unsigned int uint_fast16_t;
26 typedef signed int int_fast16_t;
30 #define xglue(x, y) x ## y
31 #define glue(x, y) xglue(x, y)
32 #define stringify(s) tostring(s)
33 #define tostring(s) #s
38 #define __builtin_expect(x, n) (x)
41 #define likely(x) __builtin_expect(!!(x), 1)
42 #define unlikely(x) __builtin_expect(!!(x), 0)
46 #define container_of(ptr, type, member) ({ \
47 const typeof(((type *) 0)->member) *__mptr = (ptr); \
48 (type *) ((char *) __mptr - offsetof(type, member));})
51 /* Convert from a base type to a parent type, with compile time checking. */
53 #define DO_UPCAST(type, field, dev) ( __extension__ ( { \
54 char __attribute__((unused)) offset_must_be_zero[ \
55 -offsetof(type, field)]; \
56 container_of(dev, type, field);}))
58 #define DO_UPCAST(type, field, dev) container_of(dev, type, field)
61 #define typeof_field(type, field) typeof(((type *)0)->field)
62 #define type_check(t1,t2) ((t1*)0 - (t2*)0)
65 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
68 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
72 #define ROUND_UP(n,d) (((n) + (d) - 1) & -(d))
76 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
80 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
84 #if !((__GNUC__ < 3) || defined(__APPLE__))
87 #define inline __attribute__ (( always_inline )) __inline__
92 #define inline always_inline
95 #define qemu_printf printf
97 int qemu_daemon(int nochdir, int noclose);
98 void *qemu_try_memalign(size_t alignment, size_t size);
99 void *qemu_memalign(size_t alignment, size_t size);
100 void *qemu_anon_ram_alloc(size_t size);
101 void qemu_vfree(void *ptr);
102 void qemu_anon_ram_free(void *ptr, size_t size);
104 #define QEMU_MADV_INVALID -1
106 #if defined(CONFIG_MADVISE)
108 #define QEMU_MADV_WILLNEED MADV_WILLNEED
109 #define QEMU_MADV_DONTNEED MADV_DONTNEED
111 #define QEMU_MADV_DONTFORK MADV_DONTFORK
113 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
115 #ifdef MADV_MERGEABLE
116 #define QEMU_MADV_MERGEABLE MADV_MERGEABLE
118 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
120 #ifdef MADV_UNMERGEABLE
121 #define QEMU_MADV_UNMERGEABLE MADV_UNMERGEABLE
123 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
126 #define QEMU_MADV_DODUMP MADV_DODUMP
128 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
131 #define QEMU_MADV_DONTDUMP MADV_DONTDUMP
133 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
136 #define QEMU_MADV_HUGEPAGE MADV_HUGEPAGE
138 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
141 #elif defined(CONFIG_POSIX_MADVISE)
143 #define QEMU_MADV_WILLNEED POSIX_MADV_WILLNEED
144 #define QEMU_MADV_DONTNEED POSIX_MADV_DONTNEED
145 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
146 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
147 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
148 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
149 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
150 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
154 #define QEMU_MADV_WILLNEED QEMU_MADV_INVALID
155 #define QEMU_MADV_DONTNEED QEMU_MADV_INVALID
156 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
157 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
158 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
159 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
160 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
161 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
165 int qemu_madvise(void *addr, size_t len, int advice);
167 int qemu_open(const char *name, int flags, ...);
168 int qemu_close(int fd);
170 #if defined(__HAIKU__) && defined(__i386__)
171 #define FMT_pid "%ld"
173 #define FMT_pid "%" PRId64
178 int qemu_create_pidfile(const char *filename);
179 int qemu_get_thread_id(void);
187 * Use the same value as Linux for now.
191 ssize_t readv(int fd, const struct iovec *iov, int iov_cnt);
192 ssize_t writev(int fd, const struct iovec *iov, int iov_cnt);
198 static inline void qemu_timersub(const struct timeval *val1,
199 const struct timeval *val2,
202 res->tv_sec = val1->tv_sec - val2->tv_sec;
203 if (val1->tv_usec < val2->tv_usec) {
205 res->tv_usec = val1->tv_usec - val2->tv_usec + 1000 * 1000;
207 res->tv_usec = val1->tv_usec - val2->tv_usec;
211 #define qemu_timersub timersub
214 void qemu_set_cloexec(int fd);
216 void qemu_set_version(const char *);
217 const char *qemu_get_version(void);
219 void fips_set_state(bool requested);
220 bool fips_get_state(void);
222 /* Return a dynamically allocated pathname denoting a file or directory that is
223 * appropriate for storing local state.
225 * @relative_pathname need not start with a directory separator; one will be
226 * added automatically.
228 * The caller is responsible for releasing the value returned with g_free()
231 char *qemu_get_local_state_pathname(const char *relative_pathname);
233 /* Find program directory, and save it for later usage with
234 * qemu_get_exec_dir().
235 * Try OS specific API first, if not working, parse from argv0. */
236 void qemu_init_exec_dir(const char *argv0);
238 /* Get the saved exec dir.
239 * Caller needs to release the returned string by g_free() */
240 char *qemu_get_exec_dir(void);
244 * @type: the auxiliary vector key to lookup
246 * Search the auxiliary vector for @type, returning the value
247 * or 0 if @type is not present.
249 #if defined(CONFIG_GETAUXVAL) || defined(__linux__)
250 unsigned long qemu_getauxval(unsigned long type);
252 static inline unsigned long qemu_getauxval(unsigned long type) { return 0; }
255 void qemu_set_tty_echo(int fd, bool echo);
257 void os_mem_prealloc(int fd, char *area, size_t sz);