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| author | Ian Lance Taylor <iant@golang.org> | 2023-05-15 16:34:36 -0700 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-05-17 04:58:07 +0000 |
| commit | 547aed18e0db6a18c207731d56b60a24d0c69ba5 (patch) | |
| tree | ae27d32ac15d0466e9a8829eb23a28a6bf1a3a38 /src/runtime/sys_openbsd_386.s | |
| parent | 6d1c507bfc360ba72ca716bb7cb7bd9105a45af4 (diff) | |
| download | go-git-547aed18e0db6a18c207731d56b60a24d0c69ba5.tar.gz | |
runtime: consistently define fcntl
Clean up and consolidate on a single consistent definition of fcntl,
which takes three int32 arguments and returns either a positive result
or a negative errno value.
Change-Id: Id9505492712db4b0aab469c6bd15e4fce3c9ff6e
Reviewed-on: https://go-review.googlesource.com/c/go/+/495075
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Diffstat (limited to 'src/runtime/sys_openbsd_386.s')
| -rw-r--r-- | src/runtime/sys_openbsd_386.s | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/sys_openbsd_386.s b/src/runtime/sys_openbsd_386.s index 963678a2c3..3e5dbc2b0a 100644 --- a/src/runtime/sys_openbsd_386.s +++ b/src/runtime/sys_openbsd_386.s @@ -542,6 +542,12 @@ TEXT runtime·fcntl_trampoline(SB),NOSPLIT,$0 MOVL CX, 8(SP) // arg 3 - arg MOVL $0, 12(SP) // vararg CALL libc_fcntl(SB) + CMPL AX, $-1 + JNE noerr + CALL libc_errno(SB) + MOVL (AX), AX + NEGL AX // caller expects negative errno +noerr: MOVL BP, SP POPL BP RET |