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| author | Ian Lance Taylor <iant@golang.org> | 2019-04-03 16:31:13 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2019-10-20 21:15:55 +0000 |
| commit | 3b0aa546d289390027ee1bf1a5e41f37f6131fa7 (patch) | |
| tree | 631fafe6c7e524f3c27b5c58581bad68b0334390 /src/runtime/sys_netbsd_amd64.s | |
| parent | 504fce98ba3052135ec1f9564e06819f42cdbc86 (diff) | |
| download | go-3b0aa546d289390027ee1bf1a5e41f37f6131fa7.tar.gz go-3b0aa546d289390027ee1bf1a5e41f37f6131fa7.zip | |
runtime: define nonblockingPipe
This requires defining pipe, pipe2, and setNonblock for various platforms.
The new function is currently only used on AIX. It will be used by
later CLs in this series.
Updates #27707
Change-Id: Id2f987b66b4c66a3ef40c22484ff1d14f58e9b31
Reviewed-on: https://go-review.googlesource.com/c/go/+/171822
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/runtime/sys_netbsd_amd64.s')
| -rw-r--r-- | src/runtime/sys_netbsd_amd64.s | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/runtime/sys_netbsd_amd64.s b/src/runtime/sys_netbsd_amd64.s index b1b50ab4a9..0784b84455 100644 --- a/src/runtime/sys_netbsd_amd64.s +++ b/src/runtime/sys_netbsd_amd64.s @@ -158,6 +158,30 @@ TEXT runtime·read(SB),NOSPLIT,$-8 MOVL AX, ret+24(FP) RET +// func pipe() (r, w int32, errno int32) +TEXT runtime·pipe(SB),NOSPLIT,$0-12 + MOVL $42, AX + SYSCALL + JCC pipeok + MOVL $-1, r+0(FP) + MOVL $-1, w+4(FP) + MOVL AX, errno+8(FP) + RET +pipeok: + MOVL AX, r+0(FP) + MOVL DX, w+4(FP) + MOVL $0, errno+8(FP) + RET + +// func pipe2(flags int32) (r, w int32, errno int32) +TEXT runtime·pipe2(SB),NOSPLIT,$0-20 + LEAQ r+8(FP), DI + MOVL flags+0(FP), SI + MOVL $453, AX + SYSCALL + MOVL AX, errno+16(FP) + RET + TEXT runtime·write1(SB),NOSPLIT,$-8 MOVQ fd+0(FP), DI // arg 1 - fd MOVQ p+8(FP), SI // arg 2 - buf @@ -429,3 +453,18 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$0 MOVL $SYS_fcntl, AX SYSCALL RET + +// func runtime·setNonblock(int32 fd) +TEXT runtime·setNonblock(SB),NOSPLIT,$0-4 + MOVL fd+0(FP), DI // fd + MOVQ $3, SI // F_GETFL + MOVQ $0, DX + MOVL $92, AX // fcntl + SYSCALL + MOVL fd+0(FP), DI // fd + MOVQ $4, SI // F_SETFL + MOVQ $4, DX // O_NONBLOCK + ORL AX, DX + MOVL $92, AX // fcntl + SYSCALL + RET |