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os: implement new Process api

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Fixes #1004.
Fixes #1460.

R=mattn, r, niemeyer, rog, rsc
CC=golang-dev
https://golang.org/cl/4029053
This commit is contained in:
Alex Brainman 2011-02-04 14:41:26 +11:00
parent 8b9d6e38be
commit 4ecebfea53
13 changed files with 282 additions and 202 deletions
Download patch file Download diff file Expand all files Collapse all files

70
src/pkg/syscall/zsyscall_windows_386.go
View file

@ -45,6 +45,8 @@ var (
procGetQueuedCompletionStatus = getSysProcAddr(modkernel32, "GetQueuedCompletionStatus")
procCancelIo = getSysProcAddr(modkernel32, "CancelIo")
procCreateProcessW = getSysProcAddr(modkernel32, "CreateProcessW")
procOpenProcess = getSysProcAddr(modkernel32, "OpenProcess")
procGetExitCodeProcess = getSysProcAddr(modkernel32, "GetExitCodeProcess")
procGetStartupInfoW = getSysProcAddr(modkernel32, "GetStartupInfoW")
procGetCurrentProcess = getSysProcAddr(modkernel32, "GetCurrentProcess")
procDuplicateHandle = getSysProcAddr(modkernel32, "DuplicateHandle")
@ -55,8 +57,6 @@ var (
procCryptAcquireContextW = getSysProcAddr(modadvapi32, "CryptAcquireContextW")
procCryptReleaseContext = getSysProcAddr(modadvapi32, "CryptReleaseContext")
procCryptGenRandom = getSysProcAddr(modadvapi32, "CryptGenRandom")
procOpenProcess = getSysProcAddr(modkernel32, "OpenProcess")
procGetExitCodeProcess = getSysProcAddr(modkernel32, "GetExitCodeProcess")
procGetEnvironmentStringsW = getSysProcAddr(modkernel32, "GetEnvironmentStringsW")
procFreeEnvironmentStringsW = getSysProcAddr(modkernel32, "FreeEnvironmentStringsW")
procGetEnvironmentVariableW = getSysProcAddr(modkernel32, "GetEnvironmentVariableW")
@ -550,6 +550,42 @@ func CreateProcess(appName *int16, commandLine *uint16, procSecurity *int16, thr
return
}
func OpenProcess(da uint32, inheritHandle bool, pid uint32) (handle uint32, errno int) {
var _p0 uint32
if inheritHandle {
_p0 = 1
} else {
_p0 = 0
}
r0, _, e1 := Syscall(procOpenProcess, 3, uintptr(da), uintptr(_p0), uintptr(pid))
handle = uint32(r0)
if handle == 0 {
if e1 != 0 {
errno = int(e1)
} else {
errno = EINVAL
}
} else {
errno = 0
}
return
}
func GetExitCodeProcess(handle uint32, exitcode *uint32) (ok bool, errno int) {
r0, _, e1 := Syscall(procGetExitCodeProcess, 2, uintptr(handle), uintptr(unsafe.Pointer(exitcode)), 0)
ok = bool(r0 != 0)
if !ok {
if e1 != 0 {
errno = int(e1)
} else {
errno = EINVAL
}
} else {
errno = 0
}
return
}
func GetStartupInfo(startupInfo *StartupInfo) (ok bool, errno int) {
r0, _, e1 := Syscall(procGetStartupInfoW, 1, uintptr(unsafe.Pointer(startupInfo)), 0, 0)
ok = bool(r0 != 0)
@ -706,36 +742,6 @@ func CryptGenRandom(provhandle uint32, buflen uint32, buf *byte) (ok bool, errno
return
}
func OpenProcess(da uint32, b int, pid uint32) (handle uint32, errno int) {
r0, _, e1 := Syscall(procOpenProcess, 3, uintptr(da), uintptr(b), uintptr(pid))
handle = uint32(r0)
if handle == 0 {
if e1 != 0 {
errno = int(e1)
} else {
errno = EINVAL
}
} else {
errno = 0
}
return
}
func GetExitCodeProcess(h uint32, c *uint32) (ok bool, errno int) {
r0, _, e1 := Syscall(procGetExitCodeProcess, 2, uintptr(h), uintptr(unsafe.Pointer(c)), 0)
ok = bool(r0 != 0)
if !ok {
if e1 != 0 {
errno = int(e1)
} else {
errno = EINVAL
}
} else {
errno = 0
}
return
}
func GetEnvironmentStrings() (envs *uint16, errno int) {
r0, _, e1 := Syscall(procGetEnvironmentStringsW, 0, 0, 0, 0)
envs = (*uint16)(unsafe.Pointer(r0))