mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-04 11:07:46 +00:00
Ayke van Laethem
51 lines
768 B
Go
51 lines
768 B
Go
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// +build linux
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package runtime
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import (
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"unsafe"
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)
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// #include <stdio.h>
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// #include <stdlib.h>
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// #include <unistd.h>
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// #include <time.h>
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import "C"
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const Microsecond = 1
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func putchar(c byte) {
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C.putchar(C.int(c))
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}
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func sleep(d Duration) {
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C.usleep(C.useconds_t(d))
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}
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// Return monotonic time in microseconds.
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//
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// TODO: use nanoseconds?
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// TODO: noescape
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func monotime() uint64 {
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var ts C.struct_timespec
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C.clock_gettime(C.CLOCK_MONOTONIC, &ts)
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return uint64(ts.tv_sec) * 1000 * 1000 + uint64(ts.tv_nsec) / 1000
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}
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func abort() {
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C.abort()
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}
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func alloc(size uintptr) unsafe.Pointer {
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buf := C.calloc(1, C.size_t(size))
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if buf == nil {
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panic("cannot allocate memory")
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}
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return buf
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}
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func free(ptr unsafe.Pointer) {
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//C.free(ptr) // TODO
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}
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