Imported Upstream version 2011.04.27upstream/2011.04.27

6 files changed, 42 insertions, 0 deletions

diff --git a/src/pkg/runtime/darwin/386/signal.c b/src/pkg/runtime/darwin/386/signal.c
index 35bbb178b..29170b669 100644
--- a/src/pkg/runtime/darwin/386/signal.c
+++ b/src/pkg/runtime/darwin/386/signal.c
@@ -185,3 +185,10 @@ runtime·resetcpuprofiler(int32 hz)
 	}
 	m->profilehz = hz;
 }
+
+void
+os·sigpipe(void)
+{
+	sigaction(SIGPIPE, SIG_DFL, false);
+	runtime·raisesigpipe();
+}
diff --git a/src/pkg/runtime/darwin/386/sys.s b/src/pkg/runtime/darwin/386/sys.s
index 08eca9d5a..87fbdbb79 100644
--- a/src/pkg/runtime/darwin/386/sys.s
+++ b/src/pkg/runtime/darwin/386/sys.s
@@ -33,6 +33,16 @@ TEXT runtime·write(SB),7,$0
 	INT	$0x80
 	RET
 
+TEXT runtime·raisesigpipe(SB),7,$8
+	get_tls(CX)
+	MOVL	m(CX), DX
+	MOVL	m_procid(DX), DX
+	MOVL	DX, 0(SP)	// thread_port
+	MOVL	$13, 4(SP)	// signal: SIGPIPE
+	MOVL	$328, AX	// __pthread_kill
+	INT	$0x80
+	RET
+
 TEXT runtime·mmap(SB),7,$0
 	MOVL	$197, AX
 	INT	$0x80
diff --git a/src/pkg/runtime/darwin/amd64/signal.c b/src/pkg/runtime/darwin/amd64/signal.c
index 3a99d2308..036a3aca7 100644
--- a/src/pkg/runtime/darwin/amd64/signal.c
+++ b/src/pkg/runtime/darwin/amd64/signal.c
@@ -195,3 +195,10 @@ runtime·resetcpuprofiler(int32 hz)
 	}
 	m->profilehz = hz;
 }
+
+void
+os·sigpipe(void)
+{
+	sigaction(SIGPIPE, SIG_DFL, false);
+	runtime·raisesigpipe();
+}
diff --git a/src/pkg/runtime/darwin/amd64/sys.s b/src/pkg/runtime/darwin/amd64/sys.s
index 39398e065..8d1b20f11 100644
--- a/src/pkg/runtime/darwin/amd64/sys.s
+++ b/src/pkg/runtime/darwin/amd64/sys.s
@@ -38,6 +38,15 @@ TEXT runtime·write(SB),7,$0
 	SYSCALL
 	RET
 
+TEXT runtime·raisesigpipe(SB),7,$24
+	get_tls(CX)
+	MOVQ	m(CX), DX
+	MOVL	$13, DI	// arg 1 SIGPIPE
+	MOVQ	m_procid(DX), SI	// arg 2 thread_port
+	MOVL	$(0x2000000+328), AX	// syscall entry __pthread_kill
+	SYSCALL
+	RET
+
 TEXT runtime·setitimer(SB), 7, $0
 	MOVL	8(SP), DI
 	MOVQ	16(SP), SI
diff --git a/src/pkg/runtime/darwin/mem.c b/src/pkg/runtime/darwin/mem.c
index cbae18718..935c032bc 100644
--- a/src/pkg/runtime/darwin/mem.c
+++ b/src/pkg/runtime/darwin/mem.c
@@ -36,6 +36,11 @@ runtime·SysReserve(void *v, uintptr n)
 	return runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
 }
 
+enum
+{
+	ENOMEM = 12,
+};
+
 void
 runtime·SysMap(void *v, uintptr n)
 {
@@ -43,6 +48,8 @@ runtime·SysMap(void *v, uintptr n)
 	
 	mstats.sys += n;
 	p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0);
+	if(p == (void*)-ENOMEM)
+		runtime·throw("runtime: out of memory");
 	if(p != v)
 		runtime·throw("runtime: cannot map pages in arena address space");
 }
diff --git a/src/pkg/runtime/darwin/os.h b/src/pkg/runtime/darwin/os.h
index 339768e51..db3c2e8a7 100644
--- a/src/pkg/runtime/darwin/os.h
+++ b/src/pkg/runtime/darwin/os.h
@@ -27,3 +27,5 @@ void	runtime·sigaltstack(struct StackT*, struct StackT*);
 void	runtime·sigtramp(void);
 void	runtime·sigpanic(void);
 void	runtime·setitimer(int32, Itimerval*, Itimerval*);
+
+void	runtime·raisesigpipe(void);