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-rw-r--r--apt-pkg/contrib/fileutl.cc48
-rw-r--r--apt-pkg/contrib/fileutl.h2
2 files changed, 50 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index eab05de4f..b38186b3d 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -71,6 +71,9 @@
#ifdef HAVE_ZSTD
#include <zstd.h>
#endif
+#ifdef HAVE_SYSTEMD
+#include <systemd/sd-bus.h>
+#endif
#include <endian.h>
#include <stdint.h>
@@ -3387,3 +3390,48 @@ bool OpenConfigurationFileFd(std::string const &File, FileFd &Fd) /*{{{*/
return true;
}
/*}}}*/
+int Inhibit(const char *what, const char *who, const char *why, const char *mode) /*{{{*/
+{
+#ifdef HAVE_SYSTEMD
+ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *m = NULL;
+ sd_bus *bus = NULL;
+ int fd;
+ int r;
+
+ r = sd_bus_open_system(&bus);
+ if (r < 0)
+ goto out;
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "Inhibit",
+ &error,
+ &m,
+ "ssss",
+ what,
+ who,
+ why,
+ mode);
+ if (r < 0)
+ goto out;
+
+ r = sd_bus_message_read(m, "h", &fd);
+ if (r < 0)
+ goto out;
+
+ // We received a file descriptor, return it - systemd will close the read fd
+ // on free, so let's duplicate it here.
+ r = dup(fd);
+out:
+ sd_bus_error_free(&error);
+ sd_bus_message_unref(m);
+ sd_bus_unref(bus);
+ return r;
+#else
+ return -ENOTSUP;
+#endif
+}
+ /*}}}*/
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index c78f1715c..8b9f0588f 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -293,4 +293,6 @@ bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode);
APT_HIDDEN bool OpenConfigurationFileFd(std::string const &File, FileFd &Fd);
+APT_HIDDEN int Inhibit(const char *what, const char *who, const char *why, const char *mode);
+
#endif