syscall: add prlimit
As of https://go.dev/cl/476695 golang.org/x/sys/unix can call
syscall.prlimit, so we need such a function in libgo.
For golang/go#46279
Fixes golang/go#59712
Change-Id: I87ad6daaba68c188fb0abecb30f7d574db1f2600
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/486576
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
diff --git a/libgo/go/syscall/libcall_linux.go b/libgo/go/syscall/libcall_linux.go
index 19ae439..03ca726 100644
--- a/libgo/go/syscall/libcall_linux.go
+++ b/libgo/go/syscall/libcall_linux.go
@@ -189,6 +189,14 @@
//sys PivotRoot(newroot string, putold string) (err error)
//pivot_root(newroot *byte, putold *byte) _C_int
+// Used by golang.org/x/sys/unix.
+//sys prlimit(pid int, resource int, newlimit *Rlimit, oldlimit *Rlimit) (err error)
+//prlimit(pid Pid_t, resource _C_int, newlimit *Rlimit, oldlimit *Rlimit) _C_int
+
+func Prlimit(pid int, resource int, newlimit *Rlimit, oldlimit *Rlimit) error {
+ return prlimit(pid, resource, newlimit, oldlimit)
+}
+
//sys Removexattr(path string, attr string) (err error)
//removexattr(path *byte, name *byte) _C_int
