cooker, seitan: add sched_setscheduler

The sched_setscheduler requires to set the pid of the process we want to
change the priority, this adds a new metadata for getting the target pid
at runtime.

Add a couple of syscalls for the scheduler in the string parsing.

Signed-off-by: Alice Frosi <afrosi@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/operations.c b/operations.c
index 0121023..cfb3a9c 100644
--- a/operations.c
+++ b/operations.c
@@ -130,6 +130,9 @@ static int get_metadata_value(uint32_t offset, pid_t pid)
 	case GID_TARGET:
 		return proc_state("Gid", pid);
 		break;
+	case PID_TARGET:
+		return pid;
+		break;
 	default:
 		err("unrecognize metadata type");
 	}