D53621.id165972.diff
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D53621.id165972.diff
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	diff --git a/usr.sbin/virtual_oss/virtual_oss/main.c b/usr.sbin/virtual_oss/virtual_oss/main.c
	--- a/usr.sbin/virtual_oss/virtual_oss/main.c
	+++ b/usr.sbin/virtual_oss/virtual_oss/main.c
	@@ -31,6 +31,7 @@
	#include <sys/nv.h>
	#include <sys/sndstat.h>
	#include <sys/soundcard.h>
	+#include <sys/sysctl.h>

	#include <dlfcn.h>
	#include <errno.h>
	@@ -1617,6 +1618,7 @@

	static int voss_dsp_perm = 0666;
	static int voss_do_background;
	+static int voss_baseclone = 0;
	static const char *voss_pid_path;

	uint32_t voss_dsp_rx_refresh;
	@@ -1883,8 +1885,19 @@
	* Detect /dev/dsp creation and try to disable system
	* basename cloning automatically:
	*/
	- if (strcmp(ptr->oss_name, "dsp") == 0)
	- system("sysctl hw.snd.basename_clone=0");
	+ if (strcmp(ptr->oss_name, "dsp") == 0) {
	+ size_t size;
	+
	+ x = 0;
	+ size = sizeof(int);
	+ if (sysctlbyname("hw.snd.basename_clone",
	+ &voss_baseclone, &size, NULL, 0) < 0)
	+ return ("Could not read hw.snd.basename_clone");
	+ if (voss_baseclone &&
	+ sysctlbyname("hw.snd.basename_clone", NULL, 0,
	+ &x, size) < 0)
	+ return ("Could not disable hw.snd.basename_clone");
	+ }

	/* create DSP character device */
	pdev = cuse_dev_create(&vclient_oss_methods, ptr, NULL,
	@@ -2619,5 +2632,10 @@
	if (voss_ctl_device[0] != 0)
	cuse_dev_destroy(pdev);

	+ /* Restore hw.snd.basename_clone if it was unset by us. */
	+ if (voss_baseclone && sysctlbyname("hw.snd.basename_clone", NULL, 0,
	+ &voss_baseclone, sizeof(int)) < 0)
	+ err(EX_SOFTWARE, "Could not enable hw.snd.basename_clone");
	+
	return (0);
	}