libipc-old/examples/fd-exchange-providing.c

32 lines
709 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "../src/ipc.h"
#include "../src/usocket.h"
// This program opens a file then provide it to another running program.
// see examples/fd-exchange-receiving.c
int main (int argc, char *argv[])
{
if (argc != 2) {
fprintf (stderr, "usage: %s file", argv[0]);
exit (EXIT_FAILURE);
}
int sock = 0;
int fd = 0;
T_PERROR_R (((fd = open (argv[1], O_CREAT | O_RDWR)) < 0), "cannot open the file", EXIT_FAILURE);
TEST_IPC_Q (usock_connect (&sock, "./SOCKET_FD_EXCHANGE_TEST"), EXIT_FAILURE);
TEST_IPC_Q (ipc_provide_fd (sock, fd), EXIT_FAILURE);
return EXIT_SUCCESS;
}