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Diffstat (limited to 'src/runtime/sys_netbsd_arm64.s')
-rw-r--r--src/runtime/sys_netbsd_arm64.s12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/runtime/sys_netbsd_arm64.s b/src/runtime/sys_netbsd_arm64.s
index d57959f8d7..d27133550a 100644
--- a/src/runtime/sys_netbsd_arm64.s
+++ b/src/runtime/sys_netbsd_arm64.s
@@ -421,6 +421,18 @@ ok:
MOVW R0, ret+48(FP)
RET
+// func fcntl(fd, cmd, arg int32) int32
+TEXT runtime·fcntl(SB),NOSPLIT,$0
+ MOVW fd+0(FP), R0 // fd
+ MOVW cmd+4(FP), R1 // cmd
+ MOVW arg+8(FP), R2 // arg
+ SVC $SYS_fcntl
+ BCC ok
+ NEG R0, R0 // caller expects negative errno
+ok:
+ MOVW R0, ret+16(FP)
+ RET
+
// void runtime·closeonexec(int32 fd)
TEXT runtime·closeonexec(SB),NOSPLIT,$0
MOVW fd+0(FP), R0 // arg 1 - fd