Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

runtime: merge setting new signal mask in minit

Browse source 
All the variants that sets the new signal mask in minit do the same
thing, so merge them. This requires an OS-specific sigdelset function;
the function already exists for linux, and is now added for other OS's.

Change-Id: Ie96f6f02e2cf09c43005085985a078bd9581f670
Reviewed-on: https://go-review.googlesource.com/29771
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ian Lance Taylor 2016-09-26 11:14:41 -07:00
parent 3390294308
commit ac24388e5e
8 changed files with 60 additions and 83 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/runtime/os_netbsd.go
View file

@ -228,8 +228,6 @@ func minit() {
_g_ := getg()
_g_.m.procid = uint64(lwp_self())
// Initialize signal handling.
// On NetBSD a thread created by pthread_create inherits the
// signal stack of the creating thread. We always create a
// new signal stack here, to avoid having two Go threads using
@ -240,14 +238,7 @@ func minit() {
signalstack(&_g_.m.gsignal.stack)
_g_.m.newSigstack = true
// restore signal mask from m.sigmask and unblock essential signals
nmask := _g_.m.sigmask
for i := range sigtable {
if sigtable[i].flags&_SigUnblock != 0 {
nmask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}
}
sigprocmask(_SIG_SETMASK, &nmask, nil)
minitSignalMask()
}
// Called from dropm to undo the effect of an minit.
@ -317,5 +308,9 @@ func sigmaskToSigset(m sigmask) sigset {
return set
}
func sigdelset(mask *sigset, i int) {
mask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}
func (c *sigctxt) fixsigcode(sig uint32) {
}