unix: add Getresuid, Getresgid for linux

Fixes golang/go#60483 Change-Id: Id4c1bf8367066485a16bedeea337c384a3555942 GitHub-Last-Rev: 61f0fe6 GitHub-Pull-Request: #159 Reviewed-on: https://go-review.googlesource.com/c/sys/+/499055 Run-TryBot: Ian Lance Taylor <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]> TryBot-Result: Gopher Robot <[email protected]> Run-TryBot: Ian Lance Taylor <[email protected]> Auto-Submit: Ian Lance Taylor <[email protected]> Reviewed-by: Tobias Klauser <[email protected]> Reviewed-by: Michael Knyszek <[email protected]>
golang · May 31, 2023 · b52f544 · b52f544
1 parent b5c7a09
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diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
@@ -2420,6 +2420,21 @@ func PthreadSigmask(how int, set, oldset *Sigset_t) error {
 	return rtSigprocmask(how, set, oldset, _C__NSIG/8)
 }
 
+//sysnb	getresuid(ruid *_C_int, euid *_C_int, suid *_C_int)
+//sysnb	getresgid(rgid *_C_int, egid *_C_int, sgid *_C_int)
+
+func Getresuid() (ruid, euid, suid int) {
+	var r, e, s _C_int
+	getresuid(&r, &e, &s)
+	return int(r), int(e), int(s)
+}
+
+func Getresgid() (rgid, egid, sgid int) {
+	var r, e, s _C_int
+	getresgid(&r, &e, &s)
+	return int(r), int(e), int(s)
+}
+
 /*
  * Unimplemented
  */

diff --git a/unix/zsyscall_linux.go b/unix/zsyscall_linux.go