diff options
Diffstat (limited to 'oslib-win32.c')
-rw-r--r-- | oslib-win32.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/oslib-win32.c b/oslib-win32.c index 1ddd857..e03c472 100644 --- a/oslib-win32.c +++ b/oslib-win32.c @@ -92,3 +92,30 @@ int inet_aton(const char *cp, struct in_addr *ia) void qemu_set_cloexec(int fd) { } + +/* mingw32 needs ffs for compilations without optimization. */ +int ffs(int i) +{ + /* Use gcc's builtin ffs. */ + return __builtin_ffs(i); +} + +/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */ +#define _W32_FT_OFFSET (116444736000000000ULL) + +int qemu_gettimeofday(qemu_timeval *tp) +{ + union { + unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */ + FILETIME ft; + } _now; + + if(tp) { + GetSystemTimeAsFileTime (&_now.ft); + tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL ); + tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL); + } + /* Always return 0 as per Open Group Base Specifications Issue 6. + Do not set errno on error. */ + return 0; +} |