rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

std: change timeval to ns resolution timespec

Browse Source 
This lets us use the more precise clock_gettime on posix
machines.
This commit is contained in:
Erick Tryzelaar
2012-04-02 21:41:24 -07:00
parent 7aae7320db
commit 4871f11439
3 changed files with 27 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/rt/rust_builtin.cpp
View File

@@ -408,7 +408,7 @@ rust_ptr_eq(type_desc *t, rust_box *a, rust_box *b) {
#if defined(__WIN32__)
extern "C" CDECL void
get_time(int64_t *sec, int32_t *usec) {
get_time(int64_t *sec, int32_t *nsec) {
FILETIME fileTime;
GetSystemTimeAsFileTime(&fileTime);
@@ -423,15 +423,22 @@ get_time(int64_t *sec, int32_t *usec) {
const uint64_t NANOSECONDS_FROM_1601_TO_1970 = 11644473600000000u;
uint64_t ns_since_1970 = ns_since_1601 - NANOSECONDS_FROM_1601_TO_1970;
*sec = ns_since_1970 / 1000000;
*usec = ns_since_1970 % 1000000;
*nsec = (ns_since_1970 % 1000000) * 1000;
}
#else
extern "C" CDECL void
get_time(int64_t *sec, int32_t *usec) {
get_time(int64_t *sec, int32_t *nsec) {
#ifdef __APPLE__
struct timeval tv;
gettimeofday(&tv, NULL);
*sec = tv.tv_sec;
*usec = tv.tv_usec;
*nsec = tv.tv_usec * 1000;
#else
timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
*sec = ts.tv_sec;
*nsec = ts.tv_nsec;
#endif
}
#endif