X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=osdep.h;h=a81701749aabd096df6b8bee1261026c7e9b3cdd;hb=4bea41dbaa2eb3a57005bb3c4a4af2a55b9fcc21;hp=1c14de4c5ee15a68a9427c693a14dffc63f458b5;hpb=0fb48229a73b39be02a78350547fa524c0d72c57;p=qemu.git

diff --git a/osdep.h b/osdep.h
index 1c14de4c5..a81701749 100644
--- a/osdep.h
+++ b/osdep.h
@@ -2,25 +2,156 @@
 #define QEMU_OSDEP_H
 
 #include <stdarg.h>
+#include <stddef.h>
+#ifdef __OpenBSD__
+#include <sys/types.h>
+#include <sys/signal.h>
+#endif
+
+#include <sys/time.h>
+
+#ifndef glue
+#define xglue(x, y) x ## y
+#define glue(x, y) xglue(x, y)
+#define stringify(s)	tostring(s)
+#define tostring(s)	#s
+#endif
 
-int qemu_vsnprintf(char *buf, int buflen, const char *fmt, va_list args);
-void qemu_vprintf(const char *fmt, va_list ap);
-void qemu_printf(const char *fmt, ...);
+#ifndef likely
+#if __GNUC__ < 3
+#define __builtin_expect(x, n) (x)
+#endif
 
-void *qemu_malloc(size_t size);
-void *qemu_mallocz(size_t size);
-void qemu_free(void *ptr);
+#define likely(x)   __builtin_expect(!!(x), 1)
+#define unlikely(x)   __builtin_expect(!!(x), 0)
+#endif
+
+#ifdef CONFIG_NEED_OFFSETOF
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
+#endif
+#ifndef container_of
+#define container_of(ptr, type, member) ({                      \
+        const typeof(((type *) 0)->member) *__mptr = (ptr);     \
+        (type *) ((char *) __mptr - offsetof(type, member));})
+#endif
+
+/* Convert from a base type to a parent type, with compile time checking.  */
+#ifdef __GNUC__
+#define DO_UPCAST(type, field, dev) ( __extension__ ( { \
+    char __attribute__((unused)) offset_must_be_zero[ \
+        -offsetof(type, field)]; \
+    container_of(dev, type, field);}))
+#else
+#define DO_UPCAST(type, field, dev) container_of(dev, type, field)
+#endif
 
-void *get_mmap_addr(unsigned long size);
+#define typeof_field(type, field) typeof(((type *)0)->field)
+#define type_check(t1,t2) ((t1*)0 - (t2*)0)
 
-/* specific kludges for OS compatibility (should be moved elsewhere) */
-#if defined(__i386__) && !defined(CONFIG_SOFTMMU) && !defined(CONFIG_USER_ONLY)
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef MAX
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef DIV_ROUND_UP
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#endif
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+#ifndef always_inline
+#if !((__GNUC__ < 3) || defined(__APPLE__))
+#ifdef __OPTIMIZE__
+#define inline __attribute__ (( always_inline )) __inline__
+#endif
+#endif
+#else
+#define inline always_inline
+#endif
+
+#ifdef __i386__
+#define REGPARM __attribute((regparm(3)))
+#else
+#define REGPARM
+#endif
+
+#define qemu_printf printf
+
+#if defined (__GNUC__) && defined (__GNUC_MINOR__)
+# define QEMU_GNUC_PREREQ(maj, min) \
+         ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define QEMU_GNUC_PREREQ(maj, min) 0
+#endif
+
+int qemu_daemon(int nochdir, int noclose);
+void *qemu_memalign(size_t alignment, size_t size);
+void *qemu_vmalloc(size_t size);
+void qemu_vfree(void *ptr);
+
+#define QEMU_MADV_INVALID -1
+
+#if defined(CONFIG_MADVISE)
+
+#define QEMU_MADV_WILLNEED  MADV_WILLNEED
+#define QEMU_MADV_DONTNEED  MADV_DONTNEED
+#ifdef MADV_DONTFORK
+#define QEMU_MADV_DONTFORK  MADV_DONTFORK
+#else
+#define QEMU_MADV_DONTFORK  QEMU_MADV_INVALID
+#endif
+#ifdef MADV_MERGEABLE
+#define QEMU_MADV_MERGEABLE MADV_MERGEABLE
+#else
+#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
+#endif
+
+#elif defined(CONFIG_POSIX_MADVISE)
+
+#define QEMU_MADV_WILLNEED  POSIX_MADV_WILLNEED
+#define QEMU_MADV_DONTNEED  POSIX_MADV_DONTNEED
+#define QEMU_MADV_DONTFORK  QEMU_MADV_INVALID
+#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
+
+#else /* no-op */
+
+#define QEMU_MADV_WILLNEED  QEMU_MADV_INVALID
+#define QEMU_MADV_DONTNEED  QEMU_MADV_INVALID
+#define QEMU_MADV_DONTFORK  QEMU_MADV_INVALID
+#define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID
+
+#endif
+
+int qemu_madvise(void *addr, size_t len, int advice);
+
+#if defined(__HAIKU__) && defined(__i386__)
+#define FMT_pid "%ld"
+#else
+#define FMT_pid "%d"
+#endif
 
-/* disabled pthread version of longjmp which prevent us from using an
-   alternative signal stack */
-extern void __longjmp(jmp_buf env, int val);
-#define longjmp __longjmp
+int qemu_create_pidfile(const char *filename);
+int qemu_get_thread_id(void);
 
+#ifdef _WIN32
+static inline void qemu_timersub(const struct timeval *val1,
+                                 const struct timeval *val2,
+                                 struct timeval *res)
+{
+    res->tv_sec = val1->tv_sec - val2->tv_sec;
+    if (val1->tv_usec < val2->tv_usec) {
+        res->tv_sec--;
+        res->tv_usec = val1->tv_usec - val2->tv_usec + 1000 * 1000;
+    } else {
+        res->tv_usec = val1->tv_usec - val2->tv_usec;
+    }
+}
+#else
+#define qemu_timersub timersub
 #endif
 
 #endif