diff options
Diffstat (limited to 'libhw_cr/host_util.c')
-rw-r--r-- | libhw_cr/host_util.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libhw_cr/host_util.c b/libhw_cr/host_util.c index 7b3200c..8cacd57 100644 --- a/libhw_cr/host_util.c +++ b/libhw_cr/host_util.c @@ -7,6 +7,8 @@ #include <error.h> /* for error(3gnu) */ #include <signal.h> /* for SIGRTMIN, SIGRTMAX */ +#include <libhw/generic/alarmclock.h> /* for {X}S_PER_S */ + #include "host_util.h" int host_sigrt_alloc(void) { @@ -19,3 +21,30 @@ int host_sigrt_alloc(void) { error(1, 0, "SIGRTMAX exceeded"); return ret; } + +host_us_time_t ns_to_host_us_time(uint64_t time_ns) { + host_us_time_t ret; + ret.tv_sec = time_ns + /NS_PER_S; + ret.tv_usec = (time_ns - ((uint64_t)ret.tv_sec)*NS_PER_S) + /(NS_PER_S/US_PER_S); + return ret; +} + +host_ns_time_t ns_to_host_ns_time(uint64_t time_ns) { + host_ns_time_t ret; + ret.tv_sec = time_ns + /NS_PER_S; + ret.tv_nsec = time_ns - ((uint64_t)ret.tv_sec)*NS_PER_S; + return ret; +} + +uint64_t ns_from_host_us_time(host_us_time_t host_time) { + return (((uint64_t)host_time.tv_sec) * NS_PER_S) + + ((uint64_t)host_time.tv_usec * (NS_PER_S/US_PER_S)); +} + +uint64_t ns_from_host_ns_time(host_ns_time_t host_time) { + return (((uint64_t)host_time.tv_sec) * NS_PER_S) + + ((uint64_t)host_time.tv_nsec); +} |