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Merge branch 'devel' into araq-misc

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This commit is contained in:
Andreas Rumpf 2018-08-16 01:22:21 +02:00
commit e4c759fbff
28 changed files with 286 additions and 71 deletions
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12
lib/pure/concurrency/cpuinfo.nim
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@ -43,6 +43,14 @@ when defined(genode):
proc affinitySpaceTotal(env: GenodeEnvPtr): cuint {.
importcpp: "@->cpu().affinity_space().total()".}
when defined(haiku):
{.emit: "#include <OS.h>".}
type
SystemInfo {.importc: "system_info", bycopy.} = object
cpuCount {.importc: "cpu_count".}: uint32
proc getSystemInfo(info: ptr SystemInfo): int32 {.importc: "get_system_info".}
proc countProcessors*(): int {.rtl, extern: "ncpi$1".} =
## returns the numer of the processors/cores the machine has.
## Returns 0 if it cannot be detected.
@ -86,6 +94,10 @@ proc countProcessors*(): int {.rtl, extern: "ncpi$1".} =
result = sysconf(SC_NPROC_ONLN)
elif defined(genode):
result = runtimeEnv.affinitySpaceTotal().int
elif defined(haiku):
var sysinfo: SystemInfo
if getSystemInfo(addr sysinfo) == 0:
result = sysinfo.cpuCount.int
else:
result = sysconf(SC_NPROCESSORS_ONLN)
if result <= 0: result = 0