syscall: implement pipe() on linux/mips

Change the Pipe() function to use the pipe() syscall (which has a unique calling convention on linux/mips) instead of using pipe2(). This allows it work on kernels <2.6.27 when pipe2() was introduced. Change-Id: I65dfbd2a02b64e777a8eb13013d718e356521be6 GitHub-Last-Rev: c483a06 GitHub-Pull-Request: #26608 Reviewed-on: https://go-review.googlesource.com/125915 Run-TryBot: Ian Lance Taylor <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Vladimir Stefanovic <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
golang · Jul 26, 2018 · bd98a81 · bd98a81
1 parent e5b1340
commit bd98a81
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Showing 3 changed files with 27 additions and 4 deletions.
diff --git a/src/syscall/syscall_linux_mipsx.go b/src/syscall/syscall_linux_mipsx.go
@@ -119,14 +119,13 @@ func Pipe2(p []int, flags int) (err error) {
 	return
 }
 
+//sysnb pipe() (p1 int, p2 int, err error)
+
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
 		return EINVAL
 	}
-	var pp [2]_C_int
-	err = pipe2(&pp, 0)
-	p[0] = int(pp[0])
-	p[1] = int(pp[1])
+	p[0], p[1], err = pipe()
 	return
 }
 

diff --git a/src/syscall/zsyscall_linux_mips.go b/src/syscall/zsyscall_linux_mips.go
diff --git a/src/syscall/zsyscall_linux_mipsle.go b/src/syscall/zsyscall_linux_mipsle.go