shared - reinstate plymouth_running()

This will be used by fsckd. This reverts part of
031886edfc6e96ab778c241035a8d00fb0de99d3.

2 files changed, 6 insertions, 0 deletions

diff --git a/src/shared/util.c b/src/shared/util.c
index 3f3ca90f5d..5cbbe8fb7d 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4228,6 +4228,10 @@ bool nulstr_contains(const char*nulstr, const char *needle) {
         return false;
 }
 
+bool plymouth_running(void) {
+        return access("/run/plymouth/pid", F_OK) >= 0;
+}
+
 char* strshorten(char *s, size_t l) {
         assert(s);
 
diff --git a/src/shared/util.h b/src/shared/util.h
index 749bd0ea85..d229e1e68c 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -549,6 +549,8 @@ int kill_and_sigcont(pid_t pid, int sig);
 
 bool nulstr_contains(const char*nulstr, const char *needle);
 
+bool plymouth_running(void);
+
 bool hostname_is_valid(const char *s) _pure_;
 char* hostname_cleanup(char *s, bool lowercase);