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authorIvan Shapovalov <intelfx@intelfx.name>2016-06-13 18:28:42 +0400
committerLennart Poettering <lennart@poettering.net>2016-06-13 16:28:42 +0200
commitdcd61450026c281c916f12c2affa220e0994ba19 (patch)
treec860dab75fc7750b38c4752c87dfd19f82a48b47 /src/basic/util.c
parent68884a0b8a29ce8a7c2a2671b84e2c7b9c6cb674 (diff)
core: parse `rd.rescue` and `rd.emergency` as initrd-specific shorthands (#3488)
Typing `rd.rescue` is easier than `rd.systemd.unit=rescue.target`.
Diffstat (limited to 'src/basic/util.c')
-rw-r--r--src/basic/util.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/basic/util.c b/src/basic/util.c
index 756c663be4..f2f92fb3b7 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -64,6 +64,7 @@ assert_cc(EAGAIN == EWOULDBLOCK);
int saved_argc = 0;
char **saved_argv = NULL;
+static int saved_in_initrd = -1;
size_t page_size(void) {
static thread_local size_t pgsz = 0;
@@ -454,11 +455,10 @@ int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *pa
}
bool in_initrd(void) {
- static int saved = -1;
struct statfs s;
- if (saved >= 0)
- return saved;
+ if (saved_in_initrd >= 0)
+ return saved_in_initrd;
/* We make two checks here:
*
@@ -470,11 +470,15 @@ bool in_initrd(void) {
* emptying when transititioning to the main systemd.
*/
- saved = access("/etc/initrd-release", F_OK) >= 0 &&
- statfs("/", &s) >= 0 &&
- is_temporary_fs(&s);
+ saved_in_initrd = access("/etc/initrd-release", F_OK) >= 0 &&
+ statfs("/", &s) >= 0 &&
+ is_temporary_fs(&s);
- return saved;
+ return saved_in_initrd;
+}
+
+void in_initrd_force(bool value) {
+ saved_in_initrd = value;
}
/* hey glibc, APIs with callbacks without a user pointer are so useless */