1 files changed, 0 insertions, 264 deletions
diff --git a/cras/src/common/cras_util.c b/cras/src/common/cras_util.c
deleted file mode 100644
index 28570bf9..00000000
--- a/cras/src/common/cras_util.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#define _GNU_SOURCE /* For ppoll() */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <pthread.h>
-#include <poll.h>
-#include <sched.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <sys/param.h>
-#include <sys/resource.h>
-#include <sys/socket.h>
-#include <sys/syscall.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "cras_util.h"
-
-int cras_set_rt_scheduling(int rt_lim)
-{
-	struct rlimit rl;
-
-	rl.rlim_cur = rl.rlim_max = rt_lim;
-
-	if (setrlimit(RLIMIT_RTPRIO, &rl) < 0) {
-		syslog(LOG_WARNING, "setrlimit %u failed: %d\n",
-		       (unsigned)rt_lim, errno);
-		return -EACCES;
-	}
-	return 0;
-}
-
-int cras_set_thread_priority(int priority)
-{
-	struct sched_param sched_param;
-	int err;
-
-	memset(&sched_param, 0, sizeof(sched_param));
-	sched_param.sched_priority = priority;
-
-	err = pthread_setschedparam(pthread_self(), SCHED_RR, &sched_param);
-	if (err)
-		syslog(LOG_WARNING,
-		       "Failed to set thread sched params to priority %d"
-		       ", rc: %d\n",
-		       priority, err);
-
-	return err;
-}
-
-int cras_set_nice_level(int nice)
-{
-	int rc;
-
-	/* Linux isn't posix compliant with setpriority(2), it will set a thread
-	 * priority if it is passed a tid, not affecting the rest of the threads
-	 * in the process.  Setting this priority will only succeed if the user
-	 * has been granted permission to adjust nice values on the system.
-	 */
-	rc = setpriority(PRIO_PROCESS, syscall(__NR_gettid), nice);
-	if (rc)
-		syslog(LOG_WARNING, "Failed to set nice to %d, rc: %d", nice,
-		       rc);
-
-	return rc;
-}
-
-int cras_make_fd_nonblocking(int fd)
-{
-	int fl;
-
-	fl = fcntl(fd, F_GETFL);
-	if (fl < 0)
-		return fl;
-	if (fl & O_NONBLOCK)
-		return 0;
-	return fcntl(fd, F_SETFL, fl | O_NONBLOCK);
-}
-
-int cras_make_fd_blocking(int fd)
-{
-	int fl;
-
-	fl = fcntl(fd, F_GETFL);
-	if (fl < 0)
-		return fl;
-	if ((~fl) & O_NONBLOCK)
-		return 0;
-	return fcntl(fd, F_SETFL, fl & ~O_NONBLOCK);
-}
-
-int cras_send_with_fds(int sockfd, const void *buf, size_t len, int *fd,
-		       unsigned int num_fds)
-{
-	struct msghdr msg = { 0 };
-	struct iovec iov;
-	struct cmsghdr *cmsg;
-	char *control;
-	const unsigned int control_size = CMSG_SPACE(sizeof(*fd) * num_fds);
-	int rc;
-
-	control = calloc(control_size, 1);
-
-	msg.msg_iov = &iov;
-	msg.msg_iovlen = 1;
-	iov.iov_base = (void *)buf;
-	iov.iov_len = len;
-
-	msg.msg_control = control;
-	msg.msg_controllen = control_size;
-
-	cmsg = CMSG_FIRSTHDR(&msg);
-	cmsg->cmsg_level = SOL_SOCKET;
-	cmsg->cmsg_type = SCM_RIGHTS;
-	cmsg->cmsg_len = CMSG_LEN(sizeof(*fd) * num_fds);
-	memcpy(CMSG_DATA(cmsg), fd, sizeof(*fd) * num_fds);
-
-	rc = sendmsg(sockfd, &msg, 0);
-	if (rc == -1)
-		rc = -errno;
-	free(control);
-	return rc;
-}
-
-int cras_recv_with_fds(int sockfd, void *buf, size_t len, int *fd,
-		       unsigned int *num_fds)
-{
-	struct msghdr msg = { 0 };
-	struct iovec iov;
-	struct cmsghdr *cmsg;
-	char *control;
-	const unsigned int control_size = CMSG_SPACE(sizeof(*fd) * *num_fds);
-	int rc;
-	int i;
-
-	control = calloc(control_size, 1);
-
-	for (i = 0; i < *num_fds; i++)
-		fd[i] = -1;
-
-	msg.msg_iov = &iov;
-	msg.msg_iovlen = 1;
-	iov.iov_base = buf;
-	iov.iov_len = len;
-	msg.msg_control = control;
-	msg.msg_controllen = control_size;
-
-	rc = recvmsg(sockfd, &msg, 0);
-	if (rc < 0) {
-		rc = -errno;
-		goto exit;
-	}
-
-	for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL;
-	     cmsg = CMSG_NXTHDR(&msg, cmsg)) {
-		if (cmsg->cmsg_level == SOL_SOCKET &&
-		    cmsg->cmsg_type == SCM_RIGHTS) {
-			size_t fd_size = cmsg->cmsg_len - sizeof(*cmsg);
-			*num_fds = MIN(*num_fds, fd_size / sizeof(*fd));
-			memcpy(fd, CMSG_DATA(cmsg), *num_fds * sizeof(*fd));
-			goto exit;
-		}
-	}
-
-	// If we reach here, we did not find any file descriptors.
-	*num_fds = 0;
-exit:
-	free(control);
-	return rc;
-}
-
-int cras_poll(struct pollfd *fds, nfds_t nfds, struct timespec *timeout,
-	      const sigset_t *sigmask)
-{
-	struct timespec now;
-	struct timespec future;
-	struct pollfd *fd = fds;
-	nfds_t i;
-	int rc = 0;
-
-	if (timeout) {
-		/* Treat a negative timeout as valid (but timed-out) since
-		 * this function could update timeout to have negative tv_sec
-		 * or tv_nsec. */
-		if (timeout->tv_sec < 0 || timeout->tv_nsec < 0)
-			return -ETIMEDOUT;
-		rc = clock_gettime(CLOCK_MONOTONIC_RAW, &future);
-		if (rc < 0)
-			return -errno;
-		add_timespecs(&future, timeout);
-	}
-
-	for (i = 0; i < nfds; i++) {
-		fd->revents = 0;
-		fd++;
-	}
-
-	rc = ppoll(fds, nfds, timeout, sigmask);
-	if (rc == 0 && timeout) {
-		rc = -ETIMEDOUT;
-	} else if (rc < 0) {
-		rc = -errno;
-	}
-
-	if (timeout) {
-		clock_gettime(CLOCK_MONOTONIC_RAW, &now);
-		subtract_timespecs(&future, &now, timeout);
-	}
-
-	return rc;
-}
-
-int wait_for_dev_input_access()
-{
-	/* Wait for /dev/input/event* files to become accessible by
-	 * having group 'input'.  Setting these files to have 'rw'
-	 * access to group 'input' is done through a udev rule
-	 * installed by adhd into /lib/udev/rules.d.
-	 *
-	 * Wait for up to 2 seconds for the /dev/input/event* files to be
-	 * readable by gavd.
-	 *
-	 * TODO(thutt): This could also be done with a udev enumerate
-	 *              and then a udev monitor.
-	 */
-	const unsigned max_iterations = 4;
-	unsigned i = 0;
-
-	while (i < max_iterations) {
-		int readable;
-		struct timeval timeout;
-		const char *const pathname = "/dev/input/event0";
-
-		timeout.tv_sec = 0;
-		timeout.tv_usec = 500000; /* 1/2 second. */
-		readable = access(pathname, R_OK);
-
-		/* If the file could be opened, then the udev rule has been
-		 * applied and gavd can read the event files.  If there are no
-		 * event files, then we don't need to wait.
-		 *
-		 * If access does not become available, then headphone &
-		 * microphone jack autoswitching will not function properly.
-		 */
-		if (readable == 0 || (readable == -1 && errno == ENOENT)) {
-			/* Access allowed, or file does not exist. */
-			break;
-		}
-		if (readable != -1 || errno != EACCES) {
-			syslog(LOG_ERR, "Bad access for input devs.");
-			return errno;
-		}
-		select(1, NULL, NULL, NULL, &timeout);
-		++i;
-	}
-
-	return 0;
-}