diff options
author | Keith Randall <khr@golang.org> | 2015-03-02 20:16:48 -0800 |
---|---|---|
committer | Keith Randall <khr@golang.org> | 2015-03-03 17:46:36 +0000 |
commit | f584c05fcc38fef1582681a7e2841b725f0a827d (patch) | |
tree | 5a96b88327f816c5e32b57090382df4b10793153 /src/runtime/sys_netbsd_amd64.s | |
parent | 74e88dfdeebef392d52d3f792e2071b058c1e231 (diff) | |
download | go-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_netbsd_amd64.s')
-rw-r--r-- | src/runtime/sys_netbsd_amd64.s | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/runtime/sys_netbsd_amd64.s b/src/runtime/sys_netbsd_amd64.s index 83de9111dd..88ca323aaf 100644 --- a/src/runtime/sys_netbsd_amd64.s +++ b/src/runtime/sys_netbsd_amd64.s @@ -91,6 +91,8 @@ TEXT runtime·open(SB),NOSPLIT,$-8 MOVL perm+12(FP), DX // arg 3 mode MOVL $5, AX SYSCALL + JCC 2(PC) + MOVL $-1, AX MOVL AX, ret+16(FP) RET @@ -98,6 +100,8 @@ TEXT runtime·close(SB),NOSPLIT,$-8 MOVL fd+0(FP), DI // arg 1 fd MOVL $6, AX SYSCALL + JCC 2(PC) + MOVL $-1, AX MOVL AX, ret+8(FP) RET @@ -107,6 +111,8 @@ TEXT runtime·read(SB),NOSPLIT,$-8 MOVL n+16(FP), DX // arg 3 count MOVL $3, AX SYSCALL + JCC 2(PC) + MOVL $-1, AX MOVL AX, ret+24(FP) RET @@ -116,6 +122,8 @@ TEXT runtime·write(SB),NOSPLIT,$-8 MOVL n+16(FP), DX // arg 3 - nbyte MOVL $4, AX // sys_write SYSCALL + JCC 2(PC) + MOVL $-1, AX MOVL AX, ret+24(FP) RET |