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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019, Joyent, Inc.
*/
/*
* Verify that if a child grabs an exclusive lock and calls exit, we can grab it
* again.
*/
#include <err.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <strings.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/usb/clients/ccid/uccid.h>
int
main(int argc, char *argv[])
{
int fd, estat;
pid_t pid;
uccid_cmd_txn_begin_t begin;
if (argc != 2) {
errx(EXIT_FAILURE, "missing required ccid path");
}
bzero(&begin, sizeof (begin));
begin.uct_version = UCCID_CURRENT_VERSION;
pid = fork();
if (pid == 0) {
fd = open(argv[1], O_RDWR);
if (fd < 0) {
err(EXIT_FAILURE, "failed to open %s", argv[1]);
}
if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
err(EXIT_FAILURE, "failed to issue begin ioctl");
}
_exit(0);
}
estat = -1;
if (waitpid(pid, &estat, 0) == -1) {
err(EXIT_FAILURE, "failed to wait for pid %d", pid);
}
if (estat != 0) {
errx(EXIT_FAILURE, "child exited with non-zero value (%d)",
estat);
}
fd = open(argv[1], O_RDWR);
if (fd < 0) {
err(EXIT_FAILURE, "failed to open %s", argv[1]);
}
if (ioctl(fd, UCCID_CMD_TXN_BEGIN, &begin) != 0) {
err(EXIT_FAILURE, "failed to issue begin ioctl");
}
return (0);
}
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