o add new error number ESLURMD_JOB_KILL_FAILED for failure of the job kill

   rpc.

slurm/slurm_errno.h

@@ -139,6 +139,7 @@ enum {
 	/* slurmd error codes */
 	ESLRUMD_PIPE_ERROR_ON_TASK_SPAWN =		4000,
 	ESLURMD_KILL_TASK_FAILED,
+	ESLURMD_KILL_JOB_FAILED,
 	ESLURMD_INVALID_JOB_CREDENTIAL,
 	ESLURMD_CREDENTIAL_EXPIRED,
 	ESLURMD_CREDENTIAL_REVOKED,

src/common/slurm_errno.c

@@ -180,6 +180,8 @@ static slurm_errtab_t slurm_errtab[] = {
 	  "Pipe error on task spawn"				},
 	{ ESLURMD_KILL_TASK_FAILED, 
 	  "Kill task failed"					},
+	{ ESLURMD_KILL_JOB_FAILED, 
+	  "Attempt to kill job failed or timed out"	        },
 	{ ESLURMD_INVALID_JOB_CREDENTIAL, 
 	  "Invalid job credential"				},
 	{ ESLURMD_CREDENTIAL_REVOKED,