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authorKeith Randall <khr@golang.org>2015-03-02 20:16:48 -0800
committerKeith Randall <khr@golang.org>2015-03-03 17:46:36 +0000
commitf584c05fcc38fef1582681a7e2841b725f0a827d (patch)
tree5a96b88327f816c5e32b57090382df4b10793153 /src/runtime/sys_freebsd_arm.s
parent74e88dfdeebef392d52d3f792e2071b058c1e231 (diff)
downloadgo-f584c05fcc38fef1582681a7e2841b725f0a827d.tar.gz
go-f584c05fcc38fef1582681a7e2841b725f0a827d.zip
runtime: Update open/close/read/write to return -1 on error.
Error detection code copied from syscall, where presumably we actually do it right. Note that we throw the errno away. The runtime doesn't use it. Fixes #10052 Change-Id: I8de77dda6bf287276b137646c26b84fa61554ec8 Reviewed-on: https://go-review.googlesource.com/6571 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/runtime/sys_freebsd_arm.s')
-rw-r--r--src/runtime/sys_freebsd_arm.s4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/runtime/sys_freebsd_arm.s b/src/runtime/sys_freebsd_arm.s
index 6568738b3d..613c1dceed 100644
--- a/src/runtime/sys_freebsd_arm.s
+++ b/src/runtime/sys_freebsd_arm.s
@@ -93,6 +93,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8
MOVW perm+8(FP), R2 // arg 3 perm
MOVW $SYS_open, R7
SWI $0
+ MOVW.CS $-1, R0
MOVW R0, ret+12(FP)
RET
@@ -102,6 +103,7 @@ TEXT runtime·read(SB),NOSPLIT,$-8
MOVW n+8(FP), R2 // arg 3 count
MOVW $SYS_read, R7
SWI $0
+ MOVW.CS $-1, R0
MOVW R0, ret+12(FP)
RET
@@ -111,6 +113,7 @@ TEXT runtime·write(SB),NOSPLIT,$-8
MOVW n+8(FP), R2 // arg 3 count
MOVW $SYS_write, R7
SWI $0
+ MOVW.CS $-1, R0
MOVW R0, ret+12(FP)
RET
@@ -118,6 +121,7 @@ TEXT runtime·close(SB),NOSPLIT,$-8
MOVW fd+0(FP), R0 // arg 1 fd
MOVW $SYS_close, R7
SWI $0
+ MOVW.CS $-1, R0
MOVW R0, ret+4(FP)
RET