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systemd: add support for executing scripts under /etc/rcS.d

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This patch adds support for systemd to execute scripts under /etc/rcS.d.

To be compitable, all services translated from /etc/rcS.d/ scripts would
run before services translated from /etc/rcN.d scripts.

[YOCTO #5159]

(From OE-Core rev: 90bb8e8f9bc2454590d230b209fc749ea7270b9e)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chen Qi
2014-09-03 15:09:06 +08:00
committed by Richard Purdie
parent c39e2632ff
commit 198ed4b5bb
2 changed files with 139 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-core/systemd/systemd/0001-add-support-for-executing-scripts-under-etc-rcS.d.patch
+138
View File
@@ -0,0 +1,138 @@
Upstream-Status: Inappropriate [OE specific]
Subject: add support for executing scripts under /etc/rcS.d/
To be compatible, all services translated from scripts under /etc/rcS.d would
run before services translated from scripts under /etc/rcN.d.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
---
src/sysv-generator/sysv-generator.c | 50 ++++++++++++++++++++++++++++---------
1 file changed, 38 insertions(+), 12 deletions(-)
diff --git a/src/sysv-generator/sysv-generator.c b/src/sysv-generator/sysv-generator.c
index 9a869ba..10c55c0 100644
--- a/src/sysv-generator/sysv-generator.c
+++ b/src/sysv-generator/sysv-generator.c
@@ -43,7 +43,8 @@
typedef enum RunlevelType {
RUNLEVEL_UP,
- RUNLEVEL_DOWN
+ RUNLEVEL_DOWN,
+ RUNLEVEL_SYSINIT
} RunlevelType;
static const struct {
@@ -58,6 +59,9 @@ static const struct {
{ "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
{ "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
+ /* Debian style rcS.d, also adopted by OE */
+ { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT},
+
/* Standard SysV runlevels for shutdown */
{ "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
{ "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }
@@ -66,7 +70,7 @@ static const struct {
directories in this order, and we want to make sure that
sysv_start_priority is known when we first load the
unit. And that value we only know from S links. Hence
- UP must be read before DOWN */
+ UP/SYSINIT must be read before DOWN */
};
typedef struct SysvStub {
@@ -82,6 +86,8 @@ typedef struct SysvStub {
char **conflicts;
bool has_lsb;
bool reload;
+ bool default_dependencies;
+ bool from_rcsd;
} SysvStub;
const char *arg_dest = "/tmp";
@@ -156,6 +162,9 @@ static int generate_unit_file(SysvStub *s) {
"Description=%s\n",
s->path, s->description);
+ if (!s->default_dependencies)
+ fprintf(f, "DefaultDependencies=no\n");
+
if (!isempty(before))
fprintf(f, "Before=%s\n", before);
if (!isempty(after))
@@ -661,18 +670,30 @@ static int fix_order(SysvStub *s, Hashmap *all_services) {
if (s->has_lsb && other->has_lsb)
continue;
- if (other->sysv_start_priority < s->sysv_start_priority) {
- r = strv_extend(&s->after, other->name);
+ /* All scripts under /etc/rcS.d should execute before scripts under
+ * /etc/rcN.d */
+ if (!other->from_rcsd && s->from_rcsd) {
+ r = strv_extend(&s->before, other->name);
if (r < 0)
return log_oom();
- }
- else if (other->sysv_start_priority > s->sysv_start_priority) {
- r = strv_extend(&s->before, other->name);
+ } else if (other->from_rcsd && !s->from_rcsd) {
+ r = strv_extend(&s->after, other->name);
if (r < 0)
return log_oom();
- }
- else
- continue;
+ } else {
+ if (other->sysv_start_priority < s->sysv_start_priority) {
+ r = strv_extend(&s->after, other->name);
+ if (r < 0)
+ return log_oom();
+ }
+ else if (other->sysv_start_priority > s->sysv_start_priority) {
+ r = strv_extend(&s->before, other->name);
+ if (r < 0)
+ return log_oom();
+ }
+ else
+ continue;
+ }
/* FIXME: Maybe we should compare the name here lexicographically? */
}
@@ -725,6 +746,8 @@ static int enumerate_sysv(LookupPaths lp, Hashmap *all_services) {
return log_oom();
service->sysv_start_priority = -1;
+ service->default_dependencies = true;
+ service->from_rcsd = false;
service->name = name;
service->path = fpath;
@@ -810,9 +833,11 @@ static int set_dependencies_from_rcnd(LookupPaths lp, Hashmap *all_services) {
if (de->d_name[0] == 'S') {
- if (rcnd_table[i].type == RUNLEVEL_UP) {
+ if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
service->sysv_start_priority =
MAX(a*10 + b, service->sysv_start_priority);
+ service->default_dependencies = (rcnd_table[i].type == RUNLEVEL_SYSINIT)?false:true;
+ service->from_rcsd = (rcnd_table[i].type == RUNLEVEL_SYSINIT)?true:false;
}
r = set_ensure_allocated(&runlevel_services[i],
@@ -825,7 +850,8 @@ static int set_dependencies_from_rcnd(LookupPaths lp, Hashmap *all_services) {
goto finish;
} else if (de->d_name[0] == 'K' &&
- (rcnd_table[i].type == RUNLEVEL_DOWN)) {
+ (rcnd_table[i].type == RUNLEVEL_DOWN ||
+ rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
r = set_ensure_allocated(&shutdown_services,
trivial_hash_func, trivial_compare_func);
--
1.9.1
meta/recipes-core/systemd/systemd_216.bb
+1
View File
@@ -30,6 +30,7 @@ SRC_URI = "git://anongit.freedesktop.org/systemd/systemd;branch=master;protocol=
file://optional_secure_getenv.patch \ file://optional_secure_getenv.patch \
file://uclibc-sysinfo_h.patch \ file://uclibc-sysinfo_h.patch \
file://uclibc-get-physmem.patch \ file://uclibc-get-physmem.patch \
file://0001-add-support-for-executing-scripts-under-etc-rcS.d.patch \
file://0001-missing.h-add-fake-__NR_memfd_create-for-MIPS.patch \ file://0001-missing.h-add-fake-__NR_memfd_create-for-MIPS.patch \
file://touchscreen.rules \ file://touchscreen.rules \
file://00-create-volatile.conf \ file://00-create-volatile.conf \