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_memalign(size_t alignment, size_t size);
99 void *qemu_anon_ram_alloc(size_t size);
100 void qemu_vfree(void *ptr);
101 void qemu_anon_ram_free(void *ptr, size_t size);
103 #define QEMU_MADV_INVALID -1
105 #if defined(CONFIG_MADVISE)
107 #define QEMU_MADV_WILLNEED MADV_WILLNEED
108 #define QEMU_MADV_DONTNEED MADV_DONTNEED
110 #define QEMU_MADV_DONTFORK MADV_DONTFORK
112 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
114 #ifdef MADV_MERGEABLE
115 #define QEMU_MADV_MERGEABLE MADV_MERGEABLE
117 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
119 #ifdef MADV_UNMERGEABLE
120 #define QEMU_MADV_UNMERGEABLE MADV_UNMERGEABLE
122 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
125 #define QEMU_MADV_DODUMP MADV_DODUMP
127 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
130 #define QEMU_MADV_DONTDUMP MADV_DONTDUMP
132 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
135 #define QEMU_MADV_HUGEPAGE MADV_HUGEPAGE
137 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
140 #elif defined(CONFIG_POSIX_MADVISE)
142 #define QEMU_MADV_WILLNEED POSIX_MADV_WILLNEED
143 #define QEMU_MADV_DONTNEED POSIX_MADV_DONTNEED
144 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
145 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
146 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
147 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
148 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
149 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
153 #define QEMU_MADV_WILLNEED QEMU_MADV_INVALID
154 #define QEMU_MADV_DONTNEED QEMU_MADV_INVALID
155 #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID
156 #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
157 #define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID
158 #define QEMU_MADV_DODUMP QEMU_MADV_INVALID
159 #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID
160 #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID
164 int qemu_madvise(void *addr, size_t len, int advice);
166 int qemu_open(const char *name, int flags, ...);
167 int qemu_close(int fd);
169 #if defined(__HAIKU__) && defined(__i386__)
170 #define FMT_pid "%ld"
172 #define FMT_pid "%" PRId64
177 int qemu_create_pidfile(const char *filename);
178 int qemu_get_thread_id(void);
186 * Use the same value as Linux for now.
190 ssize_t readv(int fd, const struct iovec *iov, int iov_cnt);
191 ssize_t writev(int fd, const struct iovec *iov, int iov_cnt);
197 static inline void qemu_timersub(const struct timeval *val1,
198 const struct timeval *val2,
201 res->tv_sec = val1->tv_sec - val2->tv_sec;
202 if (val1->tv_usec < val2->tv_usec) {
204 res->tv_usec = val1->tv_usec - val2->tv_usec + 1000 * 1000;
206 res->tv_usec = val1->tv_usec - val2->tv_usec;
210 #define qemu_timersub timersub
213 void qemu_set_cloexec(int fd);
215 void qemu_set_version(const char *);
216 const char *qemu_get_version(void);
218 void fips_set_state(bool requested);
219 bool fips_get_state(void);
221 /* Return a dynamically allocated pathname denoting a file or directory that is
222 * appropriate for storing local state.
224 * @relative_pathname need not start with a directory separator; one will be
225 * added automatically.
227 * The caller is responsible for releasing the value returned with g_free()
230 char *qemu_get_local_state_pathname(const char *relative_pathname);
232 /* Find program directory, and save it for later usage with
233 * qemu_get_exec_dir().
234 * Try OS specific API first, if not working, parse from argv0. */
235 void qemu_init_exec_dir(const char *argv0);
237 /* Get the saved exec dir.
238 * Caller needs to release the returned string by g_free() */
239 char *qemu_get_exec_dir(void);
243 * @type: the auxiliary vector key to lookup
245 * Search the auxiliary vector for @type, returning the value
246 * or 0 if @type is not present.
248 #if defined(CONFIG_GETAUXVAL) || defined(__linux__)
249 unsigned long qemu_getauxval(unsigned long type);
251 static inline unsigned long qemu_getauxval(unsigned long type) { return 0; }
254 void qemu_set_tty_echo(int fd, bool echo);
256 void os_mem_prealloc(int fd, char *area, size_t sz);