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qemu-io-cmds.c: Implement clock_gettime for WIN32

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Matt Borgerson 2024-12-28 14:57:52 -07:00 committed by mborgerson
parent cff4504c73
commit da662b6ce4
1 changed files with 16 additions and 0 deletions
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16
qemu-io-cmds.c
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@ -23,6 +23,22 @@
#include "qemu/cutils.h"
#include "qemu/memalign.h"
#ifdef _WIN32
/* clock_gettime depends on pthreads. We only use it for measuring IO perf below
* so simply implement it here for now. */
static int clock_gettime_monotonic(struct timespec *tp)
{
LARGE_INTEGER freq, ticks;
if (!QueryPerformanceFrequency(&freq) || !QueryPerformanceCounter(&ticks)) {
return -1;
}
tp->tv_sec = ticks.QuadPart / freq.QuadPart;
tp->tv_nsec = (ticks.QuadPart % freq.QuadPart) * 1000000000 / freq.QuadPart;
return 0;
}
#define clock_gettime(c, ts) clock_gettime_monotonic(ts)
#endif
#define CMD_NOFILE_OK 0x01
bool qemuio_misalign;