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runtime,cmd/ld: on darwin, create theads using libc

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Replace thread creation with calls to the pthread
library in libc.

Update #17490

Change-Id: I1e19965c45255deb849b059231252fc6a7861d6c
Reviewed-on: https://go-review.googlesource.com/108679
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Keith Randall 2018-04-23 07:30:32 -07:00
parent 743fd9171f
commit b7f1777a70
26 changed files with 1008 additions and 210 deletions
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4
src/runtime/proc.go
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@ -1878,7 +1878,7 @@ func newm1(mp *m) {
return
}
execLock.rlock() // Prevent process clone.
newosproc(mp, unsafe.Pointer(mp.g0.stack.hi))
newosproc(mp)
execLock.runlock()
}
@ -3746,7 +3746,7 @@ func sigprof(pc, sp, lr uintptr, gp *g, mp *m) {
// Normal traceback is impossible or has failed.
// See if it falls into several common cases.
n = 0
if (GOOS == "windows" || GOOS == "solaris") && mp.libcallg != 0 && mp.libcallpc != 0 && mp.libcallsp != 0 {
if (GOOS == "windows" || GOOS == "solaris" || GOOS == "darwin") && mp.libcallg != 0 && mp.libcallpc != 0 && mp.libcallsp != 0 {
// Libcall, i.e. runtime syscall on windows.
// Collect Go stack that leads to the call.
n = gentraceback(mp.libcallpc, mp.libcallsp, 0, mp.libcallg.ptr(), 0, &stk[0], len(stk), nil, nil, 0)