sndiod: replace the gloal opt list with per-device lists.

sndiod/dev.c

@@ -24,6 +24,7 @@
 #include "dsp.h"
 #include "siofile.h"
 #include "midi.h"
+#include "opt.h"
 #include "sysex.h"
 #include "utils.h"
 
@@ -972,6 +973,7 @@ dev_new(char *path, struct aparams *par,
 	d = xmalloc(sizeof(struct dev));
 	d->path = xstrdup(path);
 	d->num = dev_sndnum++;
+	d->opt_list = NULL;
 
 	/*
 	 * XXX: below, we allocate a midi input buffer, since we don't
@@ -1239,6 +1241,8 @@ dev_del(struct dev *d)
 		log_puts(": deleting\n");
 	}
 #endif
+	while (d->opt_list != NULL)
+		opt_del(d, d->opt_list);
 	if (d->pstate != DEV_CFG)
 		dev_close(d);
 	for (p = &dev_list; *p != d; p = &(*p)->next) {

sndiod/dev.h

@@ -95,12 +95,25 @@ struct slot {
 	unsigned int tstate;			/* mmc state */
 };
 
+struct opt {
+	struct opt *next;
+#define OPT_NAMEMAX 11
+	char name[OPT_NAMEMAX + 1];
+	int maxweight;		/* max dynamic range for clients */
+	int pmin, pmax;		/* play channels */
+	int rmin, rmax;		/* recording channels */
+	int mmc;		/* true if MMC control enabled */
+	int dup;		/* true if join/expand enabled */
+	int mode;		/* bitmap of MODE_XXX */
+};
+
 /*
  * audio device with plenty of slots
  */
 struct dev {
 	struct dev *next;
 	struct slot *slot_list;			/* audio streams attached */
+	struct opt *opt_list;
 	struct midi *midi;
 
 	/*

sndiod/opt.c

@@ -20,13 +20,11 @@
 #include "opt.h"
 #include "utils.h"
 
-struct opt *opt_list = NULL;
-
 /*
  * create a new audio sub-device "configuration"
  */
 struct opt *
-opt_new(char *name, struct dev *dev,
+opt_new(struct dev *d, char *name,
     int pmin, int pmax, int rmin, int rmax,
     int maxweight, int mmc, int dup, unsigned int mode)
 {
@@ -34,7 +32,9 @@ opt_new(char *name, struct dev *dev,
 	unsigned int len;
 	char c;
 
-	if (opt_byname(name, dev->num)) {
+	if (opt_byname(d, name)) {
+		dev_log(d);
+		log_puts(".");
 		log_puts(name);
 		log_puts(": already defined\n");
 		return NULL;
@@ -66,12 +66,11 @@ opt_new(char *name, struct dev *dev,
 	o->mmc = mmc;
 	o->dup = dup;
 	o->mode = mode;
-	o->dev = dev;
 	memcpy(o->name, name, len + 1);
-	o->next = opt_list;
-	opt_list = o;
+	o->next = d->opt_list;
+	d->opt_list = o;
 	if (log_level >= 2) {
-		dev_log(o->dev);
+		dev_log(d);
 		log_puts(".");
 		log_puts(o->name);
 		log_puts(":");
@@ -107,13 +106,11 @@ opt_new(char *name, struct dev *dev,
 }
 
 struct opt *
-opt_byname(char *name, unsigned int num)
+opt_byname(struct dev *d, char *name)
 {
 	struct opt *o;
 
-	for (o = opt_list; o != NULL; o = o->next) {
-		if (o->dev->num != num)
-			continue;
+	for (o = d->opt_list; o != NULL; o = o->next) {
 		if (strcmp(name, o->name) == 0)
 			return o;
 	}
@@ -121,11 +118,11 @@ opt_byname(char *name, unsigned int num)
 }
 
 void
-opt_del(struct opt *o)
+opt_del(struct dev *d, struct opt *o)
 {
 	struct opt **po;
 
-	for (po = &opt_list; *po != o; po = &(*po)->next) {
+	for (po = &d->opt_list; *po != o; po = &(*po)->next) {
 #ifdef DEBUG
 		if (*po == NULL) {
 			log_puts("opt_del: not on list\n");

sndiod/opt.h

@@ -19,24 +19,9 @@
 
 struct dev;
 
-struct opt {
-	struct opt *next;
-#define OPT_NAMEMAX 11
-	char name[OPT_NAMEMAX + 1];
-	int maxweight;		/* max dynamic range for clients */
-	int pmin, pmax;		/* play channels */
-	int rmin, rmax;		/* recording channels */
-	int mmc;		/* true if MMC control enabled */
-	int dup;		/* true if join/expand enabled */
-	int mode;		/* bitmap of MODE_XXX */
-	struct dev *dev;	/* device to which we're attached */
-};
-
-extern struct opt *opt_list;
-
-struct opt *opt_new(char *, struct dev *, int, int, int, int,
+struct opt *opt_new(struct dev *, char *, int, int, int, int,
     int, int, int, unsigned int);
-void opt_del(struct opt *);
-struct opt *opt_byname(char *, unsigned int);
+void opt_del(struct dev *, struct opt *);
+struct opt *opt_byname(struct dev *, char *);
 
 #endif /* !defined(OPT_H) */

sndiod/sndiod.c

@@ -325,7 +325,7 @@ mkopt(char *path, struct dev *d,
 {
 	struct opt *o;
 
-	o = opt_new(path, d, pmin, pmax, rmin, rmax,
+	o = opt_new(d, path, pmin, pmax, rmin, rmax,
 	    MIDI_TO_ADATA(vol), mmc, dup, mode);
 	if (o == NULL)
 		return NULL;
@@ -466,7 +466,7 @@ main(int argc, char **argv)
 	if (dev_list == NULL)
 		mkdev(DEFAULT_DEV, &par, 0, bufsz, round, rate, hold, autovol);
 	for (d = dev_list; d != NULL; d = d->next) {
-		if (opt_byname("default", d->num))
+		if (opt_byname(d, "default"))
 			continue;
 		if (mkopt("default", d, pmin, pmax, rmin, rmax,
 			mode, vol, mmc, dup) == NULL)
@@ -534,8 +534,6 @@ main(int argc, char **argv)
 		; /* nothing */
 	midi_done();
 
-	while (opt_list != NULL)
-		opt_del(opt_list);
 	while (dev_list)
 		dev_del(dev_list);
 	while (port_list)

sndiod/sock.c

@@ -843,14 +843,17 @@ sock_hello(struct sock *f)
 			return 0;
 		return 1;
 	}
-	f->opt = opt_byname(p->opt, p->devnum);
+	d = dev_bynum(p->devnum);
+	if (d == NULL)
+		return 0;
+	f->opt = opt_byname(d, p->opt);
 	if (f->opt == NULL)
 		return 0;
 #ifdef DEBUG
 	if (log_level >= 3) {
 		sock_log(f);
 		log_puts(": using ");
-		dev_log(f->opt->dev);
+		dev_log(d);
 		log_puts(".");
 		log_puts(f->opt->name);
 		log_puts(", mode = ");
@@ -869,7 +872,7 @@ sock_hello(struct sock *f)
 		}
 		return 0;
 	}
-	s = slot_new(f->opt->dev, p->who, &sock_slotops, f, mode);
+	s = slot_new(d, p->who, &sock_slotops, f, mode);
 	if (s == NULL)
 		return 0;
 	f->midi = NULL;