d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add simple testcases for fcntl(F_DUPFD_CLOEXEC).

Browse Source
This commit is contained in:
jilles 2013-05-11 16:31:41 +00:00
parent be2bfc68fd
commit 94f06f64c9
1 changed files with 23 additions and 1 deletions

24
tools/regression/file/dup/dup.c

@ -29,6 +29,9 @@
* duped fd.
* Test #17: check if fcntl(F_DUP2FD) to a fd > current maximum number of open
* files limit work.
* Test #18: check if fcntl(F_DUPFD_CLOEXEC) works.
* Test #19: check if fcntl(F_DUPFD_CLOEXEC) set close-on-exec flag for duped
* fd.
*/
#include <sys/types.h>
@ -65,7 +68,7 @@ main(int __unused argc, char __unused *argv[])
orgfd = getafile();
printf("1..17\n");
printf("1..19\n");
/* If dup(2) ever work? */
if ((fd1 = dup(orgfd)) < 0)
@ -229,5 +232,24 @@ main(int __unused argc, char __unused *argv[])
printf("ok %d - fcntl(F_DUP2FD) didn't bypass NOFILE limit\n",
test);
/* Does fcntl(F_DUPFD_CLOEXEC) work? */
if ((fd2 = fcntl(fd1, F_DUPFD_CLOEXEC, 10)) < 0)
err(1, "fcntl(F_DUPFD_CLOEXEC)");
if (fd2 < 10)
printf("not ok %d - fcntl(F_DUPFD_CLOEXEC) returned wrong fd %d\n",
++test, fd2);
else
printf("ok %d - fcntl(F_DUPFD_CLOEXEC) works\n", ++test);
/* Was close-on-exec cleared? */
++test;
if (fcntl(fd2, F_GETFD) != 1)
printf(
"not ok %d - fcntl(F_DUPFD_CLOEXEC) didn't set close-on-exec\n",
test);
else
printf("ok %d - fcntl(F_DUPFD_CLOEXEC) set close-on-exec\n",
test);
return (0);
}