Merge from master.

executer/include/uprotocol.h

@@ -79,6 +79,7 @@ struct program_load_desc {
 	unsigned long at_phent;
 	unsigned long at_phnum;
 	unsigned long at_entry;
+	unsigned long at_clktck;
 	char *args;
 	unsigned long args_len;
 	char *envs;

executer/user/mcexec.c

@@ -221,6 +221,7 @@ struct program_load_desc *load_elf(FILE *fp, char **interp_pathp)
 	desc->at_phent = sizeof(phdr);
 	desc->at_phnum = hdr.e_phnum;
 	desc->at_entry = hdr.e_entry;
+	desc->at_clktck = sysconf(_SC_CLK_TCK);
 
 	return desc;
 }