gno/lib/libc/tests/gen/multiopen.c

50 lines
787 B
C

/*
* This test tries to open the same file more than once.
*
* Devin Reade, 1997.
*
* $Id: multiopen.c,v 1.1 1997/07/27 23:45:04 gdr Exp $
*/
#ifdef __ORCAC__
#pragma lint -1
#pragma keep "testit"
#endif
#include <stdio.h>
#ifdef __GNO__
#include <unistd.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <fcntl.h>
int
main (int argc, char **argv) {
int fd1, fd2;
if (argc != 2) {
printf("usage!\n");
exit(1);
}
printf("trying first open\n");
fd1 = open(argv[1], O_RDONLY);
if (fd1 == -1) {
perror("open 1 failed\n");
exit (1);
}
printf("trying second open\n");
fd2 = open(argv[1], O_RDONLY);
if (fd2 == -1) {
perror("open 2 failed\n");
exit (1);
}
printf("done!\n");
close(fd1);
close(fd2);
return 0;
}