zfs/tests/zfs-tests/cmd/zed_fd_spill-zedlet.c

37 lines
1.1 KiB
C

/*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
int main(void) {
if (fork()) {
int err;
wait(&err);
return (err);
}
char buf[64];
sprintf(buf, "/tmp/zts-zed_fd_spill-logdir/%d", getppid());
dup2(creat(buf, 0644), STDOUT_FILENO);
snprintf(buf, sizeof (buf), "/proc/%d/fd", getppid());
execlp("ls", "ls", buf, NULL);
_exit(127);
}