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#+private
#+build darwin, freebsd, openbsd, netbsd
package spall
import "core:sys/posix"
MAX_RW :: 0x7fffffff
@(no_instrumentation)
_write :: proc "contextless" (fd: uintptr, data: []byte) #no_bounds_check /* bounds check would segfault instrumentation */ {
n: int
for n < len(data) {
chunk := data[:min(len(data), MAX_RW)]
written := posix.write(posix.FD(fd), raw_data(chunk), len(chunk))
if written < 0 {
return
}
n += written
}
return
}
// NOTE(tetra): "RAW" means: Not adjusted by NTP.
when ODIN_OS == .Darwin {
CLOCK :: posix.Clock(4) // CLOCK_MONOTONIC_RAW
} else {
// It looks like the BSDs don't have a CLOCK_MONOTONIC_RAW equivalent.
CLOCK :: posix.Clock.MONOTONIC
}
@(no_instrumentation)
_tick_now :: proc "contextless" () -> (ns: i64) {
t: posix.timespec
posix.clock_gettime(CLOCK, &t)
return i64(t.tv_sec)*1e9 + i64(t.tv_nsec)
}
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