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/*
* 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 <errno.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());
int fd = creat(buf, 0644);
if (fd == -1) {
(void) fprintf(stderr, "creat(%s) failed: %s\n", buf,
strerror(errno));
exit(EXIT_FAILURE);
}
if (dup2(fd, STDOUT_FILENO) == -1) {
close(fd);
(void) fprintf(stderr, "dup2(%s, STDOUT_FILENO) failed: %s\n",
buf, strerror(errno));
exit(EXIT_FAILURE);
}
snprintf(buf, sizeof (buf), "/proc/%d/fd", getppid());
execlp("ls", "ls", buf, NULL);
_exit(127);
}
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