diff options
Diffstat (limited to 'win32/win32.c')
| -rw-r--r-- | win32/win32.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/win32/win32.c b/win32/win32.c index fda9e36af7..95e201092b 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -4310,6 +4310,47 @@ gettimeofday(struct timeval *tv, struct timezone *tz) } /* License: Ruby's */ +typedef int clockid_t; +#define CLOCK_REALTIME 0 +#define CLOCK_MONOTONIC 1 +int +clock_gettime(clockid_t clock_id, struct timespec *sp) +{ + switch (clock_id) { + case CLOCK_REALTIME: + { + struct timeval tv; + gettimeofday(&tv, NULL); + sp->tv_sec = tv.tv_sec; + sp->tv_nsec = tv.tv_usec * 1000; + return 0; + } + case CLOCK_MONOTONIC: + { + LARGE_INTEGER freq; + LARGE_INTEGER count; + if (!QueryPerformanceFrequency(&freq)) { + errno = map_errno(GetLastError()); + return -1; + } + if (!QueryPerformanceCounter(&count)) { + errno = map_errno(GetLastError()); + return -1; + } + sp->tv_sec = count.QuadPart / freq.QuadPart; + if (freq.QuadPart < 1000000000) + sp->tv_nsec = (count.QuadPart % freq.QuadPart) * (1000000000 / freq.QuadPart); + else + sp->tv_nsec = (long)((count.QuadPart % freq.QuadPart) * (1000000000.0 / freq.QuadPart)); + return 0; + } + default: + errno = EINVAL; + return -1; + } +} + +/* License: Ruby's */ char * rb_w32_getcwd(char *buffer, int size) { |