languages/go
languages/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-10-02 22:25:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

runtime: trivial replacements of _g_ in os files

Browse source 
Change-Id: I7886ea6b94697bafb8ea345508c9cb752c92cadc
Reviewed-on: https://go-review.googlesource.com/c/go/+/418586
Reviewed-by: Austin Clements <austin@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
This commit is contained in:
Michael Pratt 2022-07-20 11:43:30 -04:00
parent 0e18cf6d09
commit 5999a28de8
4 changed files with 31 additions and 31 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
src/runtime/os2_aix.go
View file

@ -388,11 +388,11 @@ func exit1(code int32)
//go:nosplit
func exit(code int32) {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
syscall1(&libc_exit, uintptr(code))
return
}
@ -403,11 +403,11 @@ func write2(fd, p uintptr, n int32) int32
//go:nosplit
func write1(fd uintptr, p unsafe.Pointer, n int32) int32 {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
r, errno := syscall3(&libc_write, uintptr(fd), uintptr(p), uintptr(n))
if int32(r) < 0 {
return -int32(errno)
@ -493,11 +493,11 @@ func sigaction1(sig, new, old uintptr)
//go:nosplit
func sigaction(sig uintptr, new, old *sigactiont) {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// runtime.libpreinit.
if _g_ != nil {
if gp != nil {
r, err := syscall3(&libc_sigaction, sig, uintptr(unsafe.Pointer(new)), uintptr(unsafe.Pointer(old)))
if int32(r) == -1 {
println("Sigaction failed for sig: ", sig, " with error:", hex(err))
@ -645,11 +645,11 @@ func pthread_attr_init1(attr uintptr) int32
//go:nosplit
func pthread_attr_init(attr *pthread_attr) int32 {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
r, _ := syscall1(&libpthread_attr_init, uintptr(unsafe.Pointer(attr)))
return int32(r)
}
@ -661,11 +661,11 @@ func pthread_attr_setdetachstate1(attr uintptr, state int32) int32
//go:nosplit
func pthread_attr_setdetachstate(attr *pthread_attr, state int32) int32 {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
r, _ := syscall2(&libpthread_attr_setdetachstate, uintptr(unsafe.Pointer(attr)), uintptr(state))
return int32(r)
}
@ -689,11 +689,11 @@ func pthread_attr_setstacksize1(attr uintptr, size uint64) int32
//go:nosplit
func pthread_attr_setstacksize(attr *pthread_attr, size uint64) int32 {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
r, _ := syscall2(&libpthread_attr_setstacksize, uintptr(unsafe.Pointer(attr)), uintptr(size))
return int32(r)
}
@ -705,11 +705,11 @@ func pthread_create1(tid, attr, fn, arg uintptr) int32
//go:nosplit
func pthread_create(tid *pthread, attr *pthread_attr, fn *funcDescriptor, arg unsafe.Pointer) int32 {
_g_ := getg()
gp := getg()
// Check the validity of g because without a g during
// newosproc0.
if _g_ != nil {
if gp != nil {
r, _ := syscall4(&libpthread_create, uintptr(unsafe.Pointer(tid)), uintptr(unsafe.Pointer(attr)), uintptr(unsafe.Pointer(fn)), uintptr(arg))
return int32(r)
}
@ -723,11 +723,11 @@ func sigprocmask1(how, new, old uintptr)
//go:nosplit
func sigprocmask(how int32, new, old *sigset) {
_g_ := getg()
gp := getg()
// Check the validity of m because it might be called during a cgo
// callback early enough where m isn't available yet.
if _g_ != nil && _g_.m != nil {
if gp != nil && gp.m != nil {
r, err := syscall3(&libpthread_sigthreadmask, uintptr(how), uintptr(unsafe.Pointer(new)), uintptr(unsafe.Pointer(old)))
if int32(r) != 0 {
println("syscall sigthreadmask failed: ", hex(err))

16
src/runtime/os_netbsd.go
View file

@ -152,16 +152,16 @@ func semacreate(mp *m) {
//go:nosplit
func semasleep(ns int64) int32 {
_g_ := getg()
gp := getg()
var deadline int64
if ns >= 0 {
deadline = nanotime() + ns
}
for {
v := atomic.Load(&_g_.m.waitsemacount)
v := atomic.Load(&gp.m.waitsemacount)
if v > 0 {
if atomic.Cas(&_g_.m.waitsemacount, v, v-1) {
if atomic.Cas(&gp.m.waitsemacount, v, v-1) {
return 0 // semaphore acquired
}
continue
@ -178,7 +178,7 @@ func semasleep(ns int64) int32 {
ts.setNsec(wait)
tsp = &ts
}
ret := lwp_park(_CLOCK_MONOTONIC, _TIMER_RELTIME, tsp, 0, unsafe.Pointer(&_g_.m.waitsemacount), nil)
ret := lwp_park(_CLOCK_MONOTONIC, _TIMER_RELTIME, tsp, 0, unsafe.Pointer(&gp.m.waitsemacount), nil)
if ret == _ETIMEDOUT {
return -1
}
@ -289,8 +289,8 @@ func mpreinit(mp *m) {
// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, cannot allocate memory.
func minit() {
_g_ := getg()
_g_.m.procid = uint64(lwp_self())
gp := getg()
gp.m.procid = uint64(lwp_self())
// On NetBSD a thread created by pthread_create inherits the
// signal stack of the creating thread. We always create a
@ -299,8 +299,8 @@ func minit() {
// created in C that calls sigaltstack and then calls a Go
// function, because we will lose track of the C code's
// sigaltstack, but it's the best we can do.
signalstack(&_g_.m.gsignal.stack)
_g_.m.newSigstack = true
signalstack(&gp.m.gsignal.stack)
gp.m.newSigstack = true
minitSignalMask()
}

8
src/runtime/os_openbsd.go
View file

@ -84,7 +84,7 @@ func semacreate(mp *m) {
//go:nosplit
func semasleep(ns int64) int32 {
_g_ := getg()
gp := getg()
// Compute sleep deadline.
var tsp *timespec
@ -95,9 +95,9 @@ func semasleep(ns int64) int32 {
}
for {
v := atomic.Load(&_g_.m.waitsemacount)
v := atomic.Load(&gp.m.waitsemacount)
if v > 0 {
if atomic.Cas(&_g_.m.waitsemacount, v, v-1) {
if atomic.Cas(&gp.m.waitsemacount, v, v-1) {
return 0 // semaphore acquired
}
continue
@ -110,7 +110,7 @@ func semasleep(ns int64) int32 {
// be examined [...] immediately before blocking. If that int
// is non-zero then __thrsleep() will immediately return EINTR
// without blocking."
ret := thrsleep(uintptr(unsafe.Pointer(&_g_.m.waitsemacount)), _CLOCK_MONOTONIC, tsp, 0, &_g_.m.waitsemacount)
ret := thrsleep(uintptr(unsafe.Pointer(&gp.m.waitsemacount)), _CLOCK_MONOTONIC, tsp, 0, &gp.m.waitsemacount)
if ret == _EWOULDBLOCK {
return -1
}

6
src/runtime/os_plan9.go
View file

@ -473,19 +473,19 @@ func semacreate(mp *m) {
//go:nosplit
func semasleep(ns int64) int {
_g_ := getg()
gp := getg()
if ns >= 0 {
ms := timediv(ns, 1000000, nil)
if ms == 0 {
ms = 1
}
ret := plan9_tsemacquire(&_g_.m.waitsemacount, ms)
ret := plan9_tsemacquire(&gp.m.waitsemacount, ms)
if ret == 1 {
return 0 // success
}
return -1 // timeout or interrupted
}
for plan9_semacquire(&_g_.m.waitsemacount, 1) < 0 {
for plan9_semacquire(&gp.m.waitsemacount, 1) < 0 {
// interrupted; try again (c.f. lock_sema.go)
}
return 0 // success