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runtime: don't always unblock all signals on dragonfly, freebsd and openbsd 

https://golang.org/cl/10173 intrduced msigsave, ensureSigM and
_SigUnblock but didn't enable the new signal save/restore mechanism for
SIG{HUP,INT,QUIT,ABRT,TERM} on DragonFly BSD, FreeBSD and OpenBSD.

At present, it looks like they have the implementation. This change
enables the new mechanism on DragonFly BSD, FreeBSD and OpenBSD the same
as Darwin, NetBSD.

Change-Id: Ifb4b4743b3b4f50bfcdc7cf1fe1b59c377fa2a41
Reviewed-on: https://go-review.googlesource.com/18657
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Mikio Hara 2016-01-15 14:57:41 +09:00
parent 7345fa54c1
commit 6f59ccb052
7 changed files with 31 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
misc/cgo/test/cgo_linux_test.go
View File

@ -6,8 +6,7 @@ package cgotest
import "testing" import "testing"
func TestSetgid(t *testing.T) { testSetgid(t) } func TestSetgid(t *testing.T) { testSetgid(t) }
func Test6997(t *testing.T) { test6997(t) } func Test6997(t *testing.T) { test6997(t) }
func TestBuildID(t *testing.T) { testBuildID(t) } func TestBuildID(t *testing.T) { testBuildID(t) }
func Test9400(t *testing.T) { test9400(t) } func Test9400(t *testing.T) { test9400(t) }
func TestSigProcMask(t *testing.T) { testSigProcMask(t) }

1
misc/cgo/test/cgo_unix_test.go
View File

@ -9,3 +9,4 @@ package cgotest
import "testing" import "testing"
func TestSigaltstack(t *testing.T) { testSigaltstack(t) } func TestSigaltstack(t *testing.T) { testSigaltstack(t) }
func TestSigprocmask(t *testing.T) { testSigprocmask(t) }

2
misc/cgo/test/sigprocmask_linux.c → misc/cgo/test/sigprocmask.c
View File

@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build !windows
#include <signal.h> #include <signal.h>
#include <stdlib.h> #include <stdlib.h>
#include <pthread.h> #include <pthread.h>

4
misc/cgo/test/sigprocmask_linux.go → misc/cgo/test/sigprocmask.go
View File

@ -2,6 +2,8 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build !windows
package cgotest package cgotest
/* /*
@ -28,7 +30,7 @@ func IntoGoAndBack() {
blocked = C.CheckBlocked() != 0 blocked = C.CheckBlocked() != 0
} }
func testSigProcMask(t *testing.T) { func testSigprocmask(t *testing.T) {
if r := C.RunSigThread(); r != 0 { if r := C.RunSigThread(); r != 0 {
t.Error("pthread_create/pthread_join failed") t.Error("pthread_create/pthread_join failed")
} }

14
src/runtime/signal_dragonfly.go
View File

@ -14,14 +14,14 @@ var sigtable = [...]sigTabT{
/* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"}, /* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"},
/* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"}, /* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"},
/* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"}, /* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"},
/* 4 */ {_SigThrow, "SIGILL: illegal instruction"}, /* 4 */ {_SigThrow + _SigUnblock, "SIGILL: illegal instruction"},
/* 5 */ {_SigThrow, "SIGTRAP: trace trap"}, /* 5 */ {_SigThrow + _SigUnblock, "SIGTRAP: trace trap"},
/* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"}, /* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"},
/* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"}, /* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"},
/* 8 */ {_SigPanic, "SIGFPE: floating-point exception"}, /* 8 */ {_SigPanic + _SigUnblock, "SIGFPE: floating-point exception"},
/* 9 */ {0, "SIGKILL: kill"}, /* 9 */ {0, "SIGKILL: kill"},
/* 10 */ {_SigPanic, "SIGBUS: bus error"}, /* 10 */ {_SigPanic + _SigUnblock, "SIGBUS: bus error"},
/* 11 */ {_SigPanic, "SIGSEGV: segmentation violation"}, /* 11 */ {_SigPanic + _SigUnblock, "SIGSEGV: segmentation violation"},
/* 12 */ {_SigThrow, "SIGSYS: bad system call"}, /* 12 */ {_SigThrow, "SIGSYS: bad system call"},
/* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"}, /* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"},
/* 14 */ {_SigNotify, "SIGALRM: alarm clock"}, /* 14 */ {_SigNotify, "SIGALRM: alarm clock"},
@ -30,14 +30,14 @@ var sigtable = [...]sigTabT{
/* 17 */ {0, "SIGSTOP: stop"}, /* 17 */ {0, "SIGSTOP: stop"},
/* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"}, /* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"},
/* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"}, /* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"},
/* 20 */ {_SigNotify, "SIGCHLD: child status has changed"}, /* 20 */ {_SigNotify + _SigUnblock, "SIGCHLD: child status has changed"},
/* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"}, /* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"},
/* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"}, /* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"},
/* 23 */ {_SigNotify, "SIGIO: i/o now possible"}, /* 23 */ {_SigNotify, "SIGIO: i/o now possible"},
/* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"}, /* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"},
/* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"}, /* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"},
/* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"}, /* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"},
/* 27 */ {_SigNotify, "SIGPROF: profiling alarm clock"}, /* 27 */ {_SigNotify + _SigUnblock, "SIGPROF: profiling alarm clock"},
/* 28 */ {_SigNotify, "SIGWINCH: window size change"}, /* 28 */ {_SigNotify, "SIGWINCH: window size change"},
/* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"}, /* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"},
/* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"}, /* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"},

14
src/runtime/signal_freebsd.go
View File

@ -16,14 +16,14 @@ var sigtable = [...]sigTabT{
/* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"}, /* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"},
/* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"}, /* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"},
/* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"}, /* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"},
/* 4 */ {_SigThrow, "SIGILL: illegal instruction"}, /* 4 */ {_SigThrow + _SigUnblock, "SIGILL: illegal instruction"},
/* 5 */ {_SigThrow, "SIGTRAP: trace trap"}, /* 5 */ {_SigThrow + _SigUnblock, "SIGTRAP: trace trap"},
/* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"}, /* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"},
/* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"}, /* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"},
/* 8 */ {_SigPanic, "SIGFPE: floating-point exception"}, /* 8 */ {_SigPanic + _SigUnblock, "SIGFPE: floating-point exception"},
/* 9 */ {0, "SIGKILL: kill"}, /* 9 */ {0, "SIGKILL: kill"},
/* 10 */ {_SigPanic, "SIGBUS: bus error"}, /* 10 */ {_SigPanic + _SigUnblock, "SIGBUS: bus error"},
/* 11 */ {_SigPanic, "SIGSEGV: segmentation violation"}, /* 11 */ {_SigPanic + _SigUnblock, "SIGSEGV: segmentation violation"},
/* 12 */ {_SigNotify, "SIGSYS: bad system call"}, /* 12 */ {_SigNotify, "SIGSYS: bad system call"},
/* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"}, /* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"},
/* 14 */ {_SigNotify, "SIGALRM: alarm clock"}, /* 14 */ {_SigNotify, "SIGALRM: alarm clock"},
@ -32,14 +32,14 @@ var sigtable = [...]sigTabT{
/* 17 */ {0, "SIGSTOP: stop"}, /* 17 */ {0, "SIGSTOP: stop"},
/* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"}, /* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"},
/* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"}, /* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"},
/* 20 */ {_SigNotify, "SIGCHLD: child status has changed"}, /* 20 */ {_SigNotify + _SigUnblock, "SIGCHLD: child status has changed"},
/* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"}, /* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"},
/* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"}, /* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"},
/* 23 */ {_SigNotify, "SIGIO: i/o now possible"}, /* 23 */ {_SigNotify, "SIGIO: i/o now possible"},
/* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"}, /* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"},
/* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"}, /* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"},
/* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"}, /* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"},
/* 27 */ {_SigNotify, "SIGPROF: profiling alarm clock"}, /* 27 */ {_SigNotify + _SigUnblock, "SIGPROF: profiling alarm clock"},
/* 28 */ {_SigNotify, "SIGWINCH: window size change"}, /* 28 */ {_SigNotify, "SIGWINCH: window size change"},
/* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"}, /* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"},
/* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"}, /* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"},

14
src/runtime/signal_openbsd.go
View File

@ -16,14 +16,14 @@ var sigtable = [...]sigTabT{
/* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"}, /* 1 */ {_SigNotify + _SigKill, "SIGHUP: terminal line hangup"},
/* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"}, /* 2 */ {_SigNotify + _SigKill, "SIGINT: interrupt"},
/* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"}, /* 3 */ {_SigNotify + _SigThrow, "SIGQUIT: quit"},
/* 4 */ {_SigThrow, "SIGILL: illegal instruction"}, /* 4 */ {_SigThrow + _SigUnblock, "SIGILL: illegal instruction"},
/* 5 */ {_SigThrow, "SIGTRAP: trace trap"}, /* 5 */ {_SigThrow + _SigUnblock, "SIGTRAP: trace trap"},
/* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"}, /* 6 */ {_SigNotify + _SigThrow, "SIGABRT: abort"},
/* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"}, /* 7 */ {_SigThrow, "SIGEMT: emulate instruction executed"},
/* 8 */ {_SigPanic, "SIGFPE: floating-point exception"}, /* 8 */ {_SigPanic + _SigUnblock, "SIGFPE: floating-point exception"},
/* 9 */ {0, "SIGKILL: kill"}, /* 9 */ {0, "SIGKILL: kill"},
/* 10 */ {_SigPanic, "SIGBUS: bus error"}, /* 10 */ {_SigPanic + _SigUnblock, "SIGBUS: bus error"},
/* 11 */ {_SigPanic, "SIGSEGV: segmentation violation"}, /* 11 */ {_SigPanic + _SigUnblock, "SIGSEGV: segmentation violation"},
/* 12 */ {_SigThrow, "SIGSYS: bad system call"}, /* 12 */ {_SigThrow, "SIGSYS: bad system call"},
/* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"}, /* 13 */ {_SigNotify, "SIGPIPE: write to broken pipe"},
/* 14 */ {_SigNotify, "SIGALRM: alarm clock"}, /* 14 */ {_SigNotify, "SIGALRM: alarm clock"},
@ -32,14 +32,14 @@ var sigtable = [...]sigTabT{
/* 17 */ {0, "SIGSTOP: stop"}, /* 17 */ {0, "SIGSTOP: stop"},
/* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"}, /* 18 */ {_SigNotify + _SigDefault, "SIGTSTP: keyboard stop"},
/* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"}, /* 19 */ {_SigNotify + _SigDefault, "SIGCONT: continue after stop"},
/* 20 */ {_SigNotify, "SIGCHLD: child status has changed"}, /* 20 */ {_SigNotify + _SigUnblock, "SIGCHLD: child status has changed"},
/* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"}, /* 21 */ {_SigNotify + _SigDefault, "SIGTTIN: background read from tty"},
/* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"}, /* 22 */ {_SigNotify + _SigDefault, "SIGTTOU: background write to tty"},
/* 23 */ {_SigNotify, "SIGIO: i/o now possible"}, /* 23 */ {_SigNotify, "SIGIO: i/o now possible"},
/* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"}, /* 24 */ {_SigNotify, "SIGXCPU: cpu limit exceeded"},
/* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"}, /* 25 */ {_SigNotify, "SIGXFSZ: file size limit exceeded"},
/* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"}, /* 26 */ {_SigNotify, "SIGVTALRM: virtual alarm clock"},
/* 27 */ {_SigNotify, "SIGPROF: profiling alarm clock"}, /* 27 */ {_SigNotify + _SigUnblock, "SIGPROF: profiling alarm clock"},
/* 28 */ {_SigNotify, "SIGWINCH: window size change"}, /* 28 */ {_SigNotify, "SIGWINCH: window size change"},
/* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"}, /* 29 */ {_SigNotify, "SIGINFO: status request from keyboard"},
/* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"}, /* 30 */ {_SigNotify, "SIGUSR1: user-defined signal 1"},