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author | Daniel Lange <DLange@git.local> | 2021-09-21 08:35:19 +0200 |
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committer | Daniel Lange <DLange@git.local> | 2021-09-21 08:35:19 +0200 |
commit | 69f439eff387a6ecb52734e400b297a3c85f2285 (patch) | |
tree | 2a988b7868b749654796183ba70b4272965da1bf /generic/gettime.c | |
parent | c55320e9e2a8916e911bcd39ab37b79e3a7d03b2 (diff) | |
download | debian_htop-69f439eff387a6ecb52734e400b297a3c85f2285.tar.gz debian_htop-69f439eff387a6ecb52734e400b297a3c85f2285.tar.bz2 debian_htop-69f439eff387a6ecb52734e400b297a3c85f2285.zip |
New upstream version 3.1.0upstream/3.1.0
Diffstat (limited to 'generic/gettime.c')
-rw-r--r-- | generic/gettime.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/generic/gettime.c b/generic/gettime.c new file mode 100644 index 0000000..af06ef3 --- /dev/null +++ b/generic/gettime.c @@ -0,0 +1,57 @@ +/* +htop - generic/gettime.c +(C) 2021 htop dev team +Released under the GNU GPLv2, see the COPYING file +in the source distribution for its full text. +*/ +#include "config.h" // IWYU pragma: keep + +#include "generic/gettime.h" + +#include <string.h> +#include <time.h> + + +void Generic_gettime_realtime(struct timeval* tvp, uint64_t* msec) { + +#if defined(HAVE_CLOCK_GETTIME) + + struct timespec ts; + if (clock_gettime(CLOCK_REALTIME, &ts) == 0) { + tvp->tv_sec = ts.tv_sec; + tvp->tv_usec = ts.tv_nsec / 1000; + *msec = ((uint64_t)ts.tv_sec * 1000) + ((uint64_t)ts.tv_nsec / 1000000); + } else { + memset(tvp, 0, sizeof(struct timeval)); + *msec = 0; + } + +#else /* lower resolution gettimeofday(2) is always available */ + + struct timeval tv; + if (gettimeofday(&tv, NULL) == 0) { + *tvp = tv; /* struct copy */ + *msec = ((uint64_t)tv.tv_sec * 1000) + ((uint64_t)tv.tv_usec / 1000); + } else { + memset(tvp, 0, sizeof(struct timeval)); + *msec = 0; + } + +#endif +} + +void Generic_gettime_monotonic(uint64_t* msec) { +#if defined(HAVE_CLOCK_GETTIME) + + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) + *msec = ((uint64_t)ts.tv_sec * 1000) + ((uint64_t)ts.tv_nsec / 1000000); + else + *msec = 0; + +#else + +# error "No monotonic clock available" + +#endif +} |