runtime: rename close to closefd

Avoids shadowing the builtin channel close function.

Change-Id: I7a729b0937c8248fe27222be61318a88db995eee
Reviewed-on: https://go-review.googlesource.com/8898
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>

src/runtime/env_plan9.go

@@ -23,14 +23,14 @@ func gogetenv(key string) string {
 	}
 	n := seek(fd, 0, 2)
 	if n <= 0 {
-		close(fd)
+		closefd(fd)
 		return ""
 	}
 
 	p := make([]byte, n)
 
 	r := pread(fd, unsafe.Pointer(&p[0]), int32(n), 0)
-	close(fd)
+	closefd(fd)
 	if r < 0 {
 		return ""
 	}

src/runtime/export_test.go

@@ -119,7 +119,7 @@ var Maxstring = &maxstring
 type Uintreg uintreg
 
 var Open = open
-var Close = close
+var Close = closefd
 var Read = read
 var Write = write
 

src/runtime/os1_darwin.go

@@ -51,7 +51,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_dragonfly.go

@@ -105,7 +105,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_freebsd.go

@@ -104,7 +104,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_linux.go

@@ -176,7 +176,7 @@ func getRandomData(r []byte) {
 	}
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_netbsd.go

@@ -124,7 +124,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_openbsd.go

@@ -133,7 +133,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 

src/runtime/os1_plan9.go

@@ -50,7 +50,7 @@ func getproccount() int32 {
 			}
 		}
 	}
-	close(fd)
+	closefd(fd)
 	if ncpu == 0 {
 		ncpu = 1
 	}
@@ -64,7 +64,7 @@ func getpid() uint64 {
 	fd := open(&pid[0], 0, 0)
 	if fd >= 0 {
 		read(fd, unsafe.Pointer(&b), int32(len(b)))
-		close(fd)
+		closefd(fd)
 	}
 	c := b[:]
 	for c[0] == ' ' || c[0] == '\t' {
@@ -162,10 +162,10 @@ func postnote(pid uint64, msg []byte) int {
 	}
 	len := findnull(&msg[0])
 	if write(uintptr(fd), (unsafe.Pointer)(&msg[0]), int32(len)) != int64(len) {
-		close(fd)
+		closefd(fd)
 		return -1
 	}
-	close(fd)
+	closefd(fd)
 	return 0
 }
 

src/runtime/os3_solaris.go

@@ -173,7 +173,7 @@ var urandom_dev = []byte("/dev/urandom\x00")
 func getRandomData(r []byte) {
 	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
 	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
-	close(fd)
+	closefd(fd)
 	extendRandom(r, int(n))
 }
 
@@ -351,7 +351,7 @@ func semawakeup(mp *m) {
 }
 
 //go:nosplit
-func close(fd int32) int32 {
+func closefd(fd int32) int32 {
 	return int32(sysvicall1(libc_close, uintptr(fd)))
 }
 

src/runtime/os_nacl.go

@@ -55,5 +55,5 @@ func raiseproc(sig int32) {
 
 // Stubs so tests can link correctly.  These should never be called.
 func open(name *byte, mode, perm int32) int32
-func close(fd int32) int32
+func closefd(fd int32) int32
 func read(fd int32, p unsafe.Pointer, n int32) int32

src/runtime/os_plan9.go

@@ -6,7 +6,7 @@ package runtime
 
 import "unsafe"
 
-func close(fd int32) int32
+func closefd(fd int32) int32
 
 //go:noescape
 func open(name *byte, mode, perm int32) int32

src/runtime/os_windows.go

@@ -18,7 +18,7 @@ func open(name *byte, mode, perm int32) int32 {
 	throw("unimplemented")
 	return -1
 }
-func close(fd int32) int32 {
+func closefd(fd int32) int32 {
 	throw("unimplemented")
 	return -1
 }

src/runtime/stubs2.go

@@ -12,7 +12,7 @@ package runtime
 import "unsafe"
 
 func read(fd int32, p unsafe.Pointer, n int32) int32
-func close(fd int32) int32
+func closefd(fd int32) int32
 
 func exit(code int32)
 func nanotime() int64

src/runtime/sys_darwin_386.s

@@ -34,7 +34,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVL	AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVL	$6, AX
 	INT	$0x80
 	JAE	2(PC)

src/runtime/sys_darwin_amd64.s

@@ -43,7 +43,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVL	fd+0(FP), DI		// arg 1 fd
 	MOVL	$(0x2000000+6), AX	// syscall entry
 	SYSCALL

src/runtime/sys_darwin_arm.s

@@ -52,7 +52,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVW	fd+0(FP), R0
 	MOVW	$SYS_close, R12
 	SWI	$0x80

src/runtime/sys_dragonfly_amd64.s

@@ -82,7 +82,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVL	fd+0(FP), DI		// arg 1 fd
 	MOVL	$6, AX
 	SYSCALL

src/runtime/sys_freebsd_386.s

@@ -67,7 +67,7 @@ TEXT runtime·open(SB),NOSPLIT,$-4
 	MOVL	AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-4
+TEXT runtime·closefd(SB),NOSPLIT,$-4
 	MOVL	$6, AX
 	INT	$0x80
 	JAE	2(PC)

src/runtime/sys_freebsd_amd64.s

@@ -72,7 +72,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVL	fd+0(FP), DI		// arg 1 fd
 	MOVL	$6, AX
 	SYSCALL

src/runtime/sys_freebsd_arm.s

@@ -117,7 +117,7 @@ TEXT runtime·write(SB),NOSPLIT,$-8
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVW fd+0(FP), R0	// arg 1 fd
 	MOVW $SYS_close, R7
 	SWI $0

src/runtime/sys_linux_386.s

@@ -36,7 +36,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVL	AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVL	$6, AX		// syscall - close
 	MOVL	fd+0(FP), BX
 	CALL	*runtime·_vdso(SB)

src/runtime/sys_linux_amd64.s

@@ -34,7 +34,7 @@ TEXT runtime·open(SB),NOSPLIT,$0-20
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0-12
+TEXT runtime·closefd(SB),NOSPLIT,$0-12
 	MOVL	fd+0(FP), DI
 	MOVL	$3, AX			// syscall entry
 	SYSCALL

src/runtime/sys_linux_arm.s

@@ -63,7 +63,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVW	fd+0(FP), R0
 	MOVW	$SYS_close, R7
 	SWI	$0

src/runtime/sys_linux_arm64.s

@@ -68,7 +68,7 @@ done:
 	MOVW	R0, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8-12
+TEXT runtime·closefd(SB),NOSPLIT,$-8-12
 	MOVW	fd+0(FP), R0
 	MOVD	$SYS_close, R8
 	SVC

src/runtime/sys_linux_ppc64x.s

@@ -67,7 +67,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8-20
 	MOVW	R3, ret+16(FP)
 	RETURN
 
-TEXT runtime·close(SB),NOSPLIT,$-8-12
+TEXT runtime·closefd(SB),NOSPLIT,$-8-12
 	MOVW	fd+0(FP), R3
 	SYSCALL	$SYS_close
 	BVC	2(PC)

src/runtime/sys_nacl_386.s

@@ -33,7 +33,7 @@ TEXT runtime·open(SB),NOSPLIT,$12
 	MOVL AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$4
+TEXT runtime·closefd(SB),NOSPLIT,$4
 	MOVL fd+0(FP), AX
 	MOVL AX, 0(SP)
 	NACL_SYSCALL(SYS_close)

src/runtime/sys_nacl_amd64p32.s

@@ -32,7 +32,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVL AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVL fd+0(FP), DI
 	NACL_SYSCALL(SYS_close)
 	MOVL AX, ret+8(FP)

src/runtime/sys_nacl_arm.s

@@ -28,7 +28,7 @@ TEXT runtime·open(SB),NOSPLIT,$0
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVW	fd+0(FP), R0
 	NACL_SYSCALL(SYS_close)
 	MOVW	R0, ret+4(FP)

src/runtime/sys_netbsd_386.s

@@ -32,7 +32,7 @@ TEXT runtime·open(SB),NOSPLIT,$-4
 	MOVL	AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-4
+TEXT runtime·closefd(SB),NOSPLIT,$-4
 	MOVL	$6, AX
 	INT	$0x80
 	JAE	2(PC)

src/runtime/sys_netbsd_amd64.s

@@ -96,7 +96,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVL	fd+0(FP), DI		// arg 1 fd
 	MOVL	$6, AX
 	SYSCALL

src/runtime/sys_netbsd_arm.s

@@ -33,7 +33,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVW fd+0(FP), R0
 	SWI $0xa00006
 	MOVW.CS	$-1, R0

src/runtime/sys_openbsd_386.s

@@ -36,7 +36,7 @@ TEXT runtime·open(SB),NOSPLIT,$-4
 	MOVL	AX, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-4
+TEXT runtime·closefd(SB),NOSPLIT,$-4
 	MOVL	$6, AX
 	INT	$0x80
 	JAE	2(PC)

src/runtime/sys_openbsd_amd64.s

@@ -106,7 +106,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
 	MOVL	AX, ret+16(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-8
+TEXT runtime·closefd(SB),NOSPLIT,$-8
 	MOVL	fd+0(FP), DI		// arg 1 fd
 	MOVL	$6, AX
 	SYSCALL

src/runtime/sys_openbsd_arm.s

@@ -40,7 +40,7 @@ TEXT runtime·open(SB),NOSPLIT,$-4
 	MOVW	R0, ret+12(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$-4
+TEXT runtime·closefd(SB),NOSPLIT,$-4
 	MOVW	path+0(FP), R0		// arg 1 - path
 	MOVW	$6, R12			// sys_close
 	SWI	$0

src/runtime/sys_plan9_386.s

@@ -52,7 +52,7 @@ TEXT runtime·seek(SB),NOSPLIT,$24
 	MOVL	$-1, ret_hi+20(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVL	$4, AX
 	INT	$64
 	MOVL	AX, ret+4(FP)

src/runtime/sys_plan9_amd64.s

@@ -51,7 +51,7 @@ TEXT runtime·seek(SB),NOSPLIT,$32
 	MOVQ	$-1, ret+24(FP)
 	RET
 
-TEXT runtime·close(SB),NOSPLIT,$0
+TEXT runtime·closefd(SB),NOSPLIT,$0
 	MOVQ	$4, BP
 	SYSCALL
 	MOVL	AX, ret+8(FP)