Mon Nov 27 19:24:18 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> cvs/libc-951129 cvs/libc-951128

	* posix/Makefile (routines): Add getsid.
	* sysdeps/unix/sysv/linux/getsid.S: New file.
	* sysdeps/mach/hurd/getsid.c: New file.
	* sysdeps/stub/getsid.c: New file.
	* posix/unistd.h [__USE_GNU]: Declare getsid.

3 files changed, 87 insertions, 0 deletions

diff --git a/sysdeps/mach/hurd/getsid.c b/sysdeps/mach/hurd/getsid.c
new file mode 100644
index 0000000000..36b8504992
--- /dev/null
+++ b/sysdeps/mach/hurd/getsid.c
@@ -0,0 +1,35 @@
+/* getsid -- Return session ID of a process.  Hurd version.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+#include <hurd.h>
+
+pid_t
+getsid (pid_t pid)
+{
+  error_t err;
+  pid_t sid;
+
+  err = __USEPORT (PROC, __proc_getsid (port, pid, &sid));
+  if (err)
+    return (pid_t) __hurd_fail (err);
+  return sid;
+}
diff --git a/sysdeps/stub/getsid.c b/sysdeps/stub/getsid.c
new file mode 100644
index 0000000000..af474c5e4d
--- /dev/null
+++ b/sysdeps/stub/getsid.c
@@ -0,0 +1,29 @@
+/* getsid -- Return session ID of a process.  Stub version.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+pid_t
+getsid (pid_t pid)
+{
+  errno = ENOSYS;
+  return (pid_t) -1;
+}
diff --git a/sysdeps/unix/sysv/linux/getsid.S b/sysdeps/unix/sysv/linux/getsid.S
new file mode 100644
index 0000000000..b5c49fb582
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/getsid.S
@@ -0,0 +1,23 @@
+/* getsid -- Return session ID of a process.  System call version.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+SYSCALL (getsid, 1)
+	ret