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From: Tim Lunn <tim@feathertop.org>
Date: Sat, 22 Mar 2014 00:23:12 +0100
Subject: Add hooks to run prime scripts (as root) before and after a
gdm-session
This allows enabling and disabling the dGPU on log out.
---
common/gdm-common.c | 2 +-
daemon/gdm-session.c | 6 ++++++
daemon/gdm-x-session.c | 5 +++++
data/Makefile.am | 28 ++++++++++++++++++++++++++--
data/Prime | 6 ++++++
data/PrimeOff | 6 ++++++
6 files changed, 50 insertions(+), 3 deletions(-)
create mode 100644 data/Prime
create mode 100644 data/PrimeOff
diff --git a/common/gdm-common.c b/common/gdm-common.c
index 373d5b8..02a6044 100644
--- a/common/gdm-common.c
+++ b/common/gdm-common.c
@@ -721,7 +721,7 @@ gdm_run_script (const char *dir,
goto out;
}
- env = gdm_get_script_environment (username,
+ env = gdm_get_script_environment ((g_strcmp0 (username, "root") == 0)?NULL:username,
display_name,
display_hostname,
display_x11_authority_file);
diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
index 6a116a8..1792bfd 100644
--- a/daemon/gdm-session.c
+++ b/daemon/gdm-session.c
@@ -2970,6 +2970,12 @@ gdm_session_close (GdmSession *self)
g_list_free_full (self->outside_connections, g_object_unref);
self->outside_connections = NULL;
+
+ /* Run PrimeOff after the session is closed */
+ gdm_run_script (GDMCONFDIR "/PrimeOff", "root",
+ NULL,
+ NULL,
+ NULL);
}
void
diff --git a/daemon/gdm-x-session.c b/daemon/gdm-x-session.c
index 3b2fcef..9a57300 100644
--- a/daemon/gdm-x-session.c
+++ b/daemon/gdm-x-session.c
@@ -614,6 +614,11 @@ spawn_session (State *state,
g_debug ("Running X session");
+ gdm_run_script (GDMCONFDIR "/Prime", "root",
+ state->display_name,
+ NULL, /* hostname */
+ state->auth_file);
+
launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);
if (state->environment != NULL) {
diff --git a/data/Makefile.am b/data/Makefile.am
index 210bf5d..7bca5e4 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -10,6 +10,8 @@ SUBDIRS = \
initdir = $(gdmconfdir)/Init
postdir = $(gdmconfdir)/PostSession
predir = $(gdmconfdir)/PreSession
+primedir = $(gdmconfdir)/Prime
+primeoffdir = $(gdmconfdir)/PrimeOff
postlogindir = $(gdmconfdir)/PostLogin
workingdir = $(GDM_WORKING_DIR)
xauthdir = $(GDM_XAUTH_DIR)
@@ -174,6 +176,8 @@ EXTRA_DIST += \
Xsession.in \
Init.in \
PreSession.in \
+ Prime \
+ PrimeOff \
PostSession.in \
PostLogin \
$(NULL)
@@ -237,6 +241,8 @@ uninstall-hook:
$(DESTDIR)$(initdir)/Default \
$(DESTDIR)$(postlogindir)/Default.sample \
$(DESTDIR)$(predir)/Default \
+ $(DESTDIR)$(primedir)/Default \
+ $(DESTDIR)$(primeoffdir)/Default \
$(DESTDIR)$(postdir)/Default \
$(DESTDIR)$(sysconfdir)/dconf/db/gdm \
$(DESTDIR)$(sysconfdir)/dconf/profile/gdm \
@@ -281,7 +287,25 @@ endif
-if test -f $(DESTDIR)$(predir)/Default; then \
cp -f $(DESTDIR)$(predir)/Default $(DESTDIR)$(predir)/Default.orig; \
fi
- $(INSTALL_SCRIPT) PreSession $(DESTDIR)$(predir)/Default
+ $(INSTALL_SCRIPT) $(builddir)/PreSession $(DESTDIR)$(predir)/Default
+
+ if test '!' -d $(DESTDIR)$(primedir); then \
+ $(mkinstalldirs) $(DESTDIR)$(primedir); \
+ chmod 755 $(DESTDIR)$(primedir); \
+ fi
+ -if test -f $(DESTDIR)$(primedir)/Default; then \
+ cp -f $(DESTDIR)$(primedir)/Default $(DESTDIR)$(primedir)/Default.orig; \
+ fi
+ $(INSTALL_SCRIPT) $(srcdir)/Prime $(DESTDIR)$(primedir)/Default
+
+ if test '!' -d $(DESTDIR)$(primeoffdir); then \
+ $(mkinstalldirs) $(DESTDIR)$(primeoffdir); \
+ chmod 755 $(DESTDIR)$(primeoffdir); \
+ fi
+ -if test -f $(DESTDIR)$(primeoffdir)/Default; then \
+ cp -f $(DESTDIR)$(primeoffdir)/Default $(DESTDIR)$(primeoffdir)/Default.orig; \
+ fi
+ $(INSTALL_SCRIPT) $(srcdir)/PrimeOff $(DESTDIR)$(primeoffdir)/Default
if test '!' -d $(DESTDIR)$(postdir); then \
$(mkinstalldirs) $(DESTDIR)$(postdir); \
@@ -290,7 +314,7 @@ endif
-if test -f $(DESTDIR)$(postdir)/Default; then \
cp -f $(DESTDIR)$(postdir)/Default $(DESTDIR)$(postdir)/Default.orig; \
fi
- $(INSTALL_SCRIPT) PostSession $(DESTDIR)$(postdir)/Default
+ $(INSTALL_SCRIPT) $(builddir)/PostSession $(DESTDIR)$(postdir)/Default
if test '!' -d $(DESTDIR)$(logdir); then \
$(mkinstalldirs) $(DESTDIR)$(logdir); \
diff --git a/data/Prime b/data/Prime
new file mode 100644
index 0000000..30caf03
--- /dev/null
+++ b/data/Prime
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+primeoffload=/sbin/prime-offload
+if [ -f "$primeoffload" ]; then
+ $primeoffload
+fi
diff --git a/data/PrimeOff b/data/PrimeOff
new file mode 100644
index 0000000..5a61c3c
--- /dev/null
+++ b/data/PrimeOff
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+primeswitch=/sbin/prime-switch
+if [ -f "$primeswitch" ]; then
+ $primeswitch
+fi
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