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#include <stdint.h>
#include "main.h"
#include "ipc.h"
void child_phase0( dist_info_t *info, uint8_t id ) {
close_redundant_pipes( info, id );
}
void child_phase1( dist_info_t *info, uint8_t id ) {
uint8_t receive_cnt;
Message msg;
my_info_t me = {
.id = id,
.dist_info = info
};
Message start_msg = {
.s_header = {
.s_magic = MESSAGE_MAGIC,
.s_payload_len = 0,
.s_type = STARTED,
.s_local_time = 0
}
};
send_multicast(&me, &start_msg);
receive_cnt = info->x;
while( receive_cnt ) {
if( !receive_any( &me, &msg ) ) {
if( msg.s_header.s_type != STARTED )
_exit(1);
receive_cnt--;
}
}
}
void child_phase2( dist_info_t *info, uint8_t id ) {
}
void child_phase3( dist_info_t *info, uint8_t id ) {
uint8_t receive_cnt;
Message msg;
my_info_t me = {
.id = id,
.dist_info = info
};
Message done_msg = {
.s_header = {
.s_magic = MESSAGE_MAGIC,
.s_payload_len = 0,
.s_type = DONE,
.s_local_time = 0
}
};
send_multicast(&me, &done_msg);
receive_cnt = info->x;
while( receive_cnt ) {
if( !receive_any( &me, &msg ) ) {
if( msg.s_header.s_type != DONE )
_exit(1);
receive_cnt--;
}
}
}
void child_workflow( dist_info_t *info, uint8_t id ) {
/* CHILD PHASE 0: Close all redundant descriptors */
child_phase0(info, id);
/* CHILD PHASE 1: Send STARTED message for all, receive STARTED
* messages from other childs */
child_phase1(info, id);
/* CHILD PHASE 2: Do some useful work */
child_phase2(info, id);
/* CHILD PHASE 3: Send DONE message for all, receive DONE messages from
* other childs and exit */
child_phase3(info, id);
}
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