diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 02cd3970..74eae9b6 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -899,6 +899,7 @@ func Getpgrp() (pid int) {
 //sysnb	Getppid() (ppid int)
 //sys	Getpriority(which int, who int) (prio int, err error)
 //sysnb	Getrusage(who int, rusage *Rusage) (err error)
+//sysnb	Getsid(pid int) (sid int, err error)
 //sysnb	Gettid() (tid int)
 //sys	Getxattr(path string, attr string, dest []byte) (sz int, err error)
 //sys	InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index a1687163..fa92387b 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index 256f6bda..b34d5c26 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index 4e03be02..2e5cb398 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index f31e001b..0d584cc0 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index 1fdb11bf..bf6f3603 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index 778a733a..8c86bd70 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index a899519b..f5d488b4 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index ae875c9f..5183711e 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index abf35fd5..4c7ed08c 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)
diff --git a/unix/zsyscall_linux_sparc64.go b/unix/zsyscall_linux_sparc64.go
index 8494f4a4..beb83e4f 100644
--- a/unix/zsyscall_linux_sparc64.go
+++ b/unix/zsyscall_linux_sparc64.go
@@ -572,6 +572,17 @@ func Getrusage(who int, rusage *Rusage) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Gettid() (tid int) {
 	r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
 	tid = int(r0)