60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#include "inc.h"
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char buf_buf[BUF_SIZE + CLICK_SIZE];
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/* SEF functions and variables. */
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static void sef_local_startup(void);
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/*===========================================================================*
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* main *
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*===========================================================================*/
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int main(int argc, char **argv)
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{
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endpoint_t ep_self, ep_requestor;
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int fid_send, fid_get;
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cp_grant_id_t gid;
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char *buf;
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int i;
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/* SEF local startup. */
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env_setargs(argc, argv);
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sef_local_startup();
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/* Prepare work. */
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buf = (char*) CLICK_CEIL(buf_buf);
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fid_send = open(FIFO_GRANTOR, O_WRONLY);
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fid_get = open(FIFO_REQUESTOR, O_RDONLY);
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if(fid_get < 0 || fid_send < 0) {
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printf("GRANTOR: can't open fifo files.\n");
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return 1;
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}
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buf[0] = BUF_START;
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/* Get the requestor's endpoint. */
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read(fid_get, &ep_requestor, sizeof(ep_requestor));
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dprint(("GRANTOR: getting requestor's endpoint: %d\n", ep_requestor));
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/* Grant. */
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gid = cpf_grant_direct(ep_requestor, (long)buf, BUF_SIZE,
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CPF_READ | CPF_WRITE);
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ep_self = sef_self();
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dprint(("GRANTOR: sending my endpoint %d and gid %d\n", ep_self, gid));
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write(fid_send, &ep_self, sizeof(ep_self));
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write(fid_send, &gid, sizeof(gid));
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/* Wait till requestor is done. */
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FIFO_WAIT(fid_get);
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return 0;
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}
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/*===========================================================================*
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* sef_local_startup *
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*===========================================================================*/
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static void sef_local_startup()
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{
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/* Let SEF perform startup. */
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sef_startup();
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}
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