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Remove temporary uintptr values, as the garbage collector can move addresses from under them.

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Signed-off-by: Ben Ridley <benridley29@gmail.com>
This commit is contained in:
Ben Ridley
2021-03-18 15:29:14 -07:00
parent 05f0f6f688
commit df2a7a9ec0
2 changed files with 16 additions and 22 deletions
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32
headers/psapi/psapi.go
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@@ -54,11 +54,9 @@ func GetLPPerformanceInfo() (LPPerformanceInformation, error) {
var pi LPPerformanceInformation
size := (uint32)(unsafe.Sizeof(pi))
pi.cb = size
pPi := uintptr(unsafe.Pointer(&pi))
r1, _, err := procGetPerformanceInfo.Call(pPi, uintptr(size))
r1, _, err := procGetPerformanceInfo.Call(uintptr(unsafe.Pointer(&pi)), uintptr(size))
if ret := *(*bool)(unsafe.Pointer(&r1)); ret == false {
// returned false
if ret := *(*bool)(unsafe.Pointer(&r1)); !ret {
return LPPerformanceInformation{}, err
}
@@ -70,26 +68,24 @@ func GetPerformanceInfo() (PerformanceInformation, error) {
var lppi LPPerformanceInformation
size := (uint32)(unsafe.Sizeof(lppi))
lppi.cb = size
pLppi := uintptr(unsafe.Pointer(&lppi))
r1, _, err := procGetPerformanceInfo.Call(pLppi, uintptr(size))
r1, _, err := procGetPerformanceInfo.Call(uintptr(unsafe.Pointer(&lppi)), uintptr(size))
if ret := *(*bool)(unsafe.Pointer(&r1)); ret == false {
// returned false
if ret := *(*bool)(unsafe.Pointer(&r1)); !ret {
return PerformanceInformation{}, err
}
var pi PerformanceInformation
pi.cb = lppi.cb
pi.CommitTotal = *(*uint32)(unsafe.Pointer(&lppi.CommitTotal))
pi.CommitLimit = *(*uint32)(unsafe.Pointer(&lppi.CommitLimit))
pi.CommitPeak = *(*uint32)(unsafe.Pointer(&lppi.CommitPeak))
pi.PhysicalTotal = *(*uint32)(unsafe.Pointer(&lppi.PhysicalTotal))
pi.PhysicalAvailable = *(*uint32)(unsafe.Pointer(&lppi.PhysicalAvailable))
pi.SystemCache = *(*uint32)(unsafe.Pointer(&lppi.SystemCache))
pi.KernelTotal = *(*uint32)(unsafe.Pointer(&lppi.KernelTotal))
pi.KernelPaged = *(*uint32)(unsafe.Pointer(&lppi.KernelPaged))
pi.KernelNonpaged = *(*uint32)(unsafe.Pointer(&lppi.KernelNonpaged))
pi.PageSize = *(*uint32)(unsafe.Pointer(&lppi.PageSize))
pi.CommitTotal = *(lppi.CommitTotal)
pi.CommitLimit = *(lppi.CommitLimit)
pi.CommitPeak = *(lppi.CommitPeak)
pi.PhysicalTotal = *(lppi.PhysicalTotal)
pi.PhysicalAvailable = *(lppi.PhysicalAvailable)
pi.SystemCache = *(lppi.SystemCache)
pi.KernelTotal = *(lppi.KernelTotal)
pi.KernelPaged = *(lppi.KernelPaged)
pi.KernelNonpaged = *(lppi.KernelNonpaged)
pi.PageSize = *(lppi.PageSize)
pi.HandleCount = lppi.HandleCount
pi.ProcessCount = lppi.ProcessCount
pi.ThreadCount = lppi.ThreadCount