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Added ipc_key_add_uid

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This commit is contained in:
Jaroslav Kysela 2003-02-12 15:22:32 +00:00
parent 6e3c42dadd
commit 391a233abb
1 changed files with 20 additions and 1 deletions
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21
src/pcm/pcm_dmix.c
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@ -1420,6 +1420,7 @@ This plugin provides direct mixing of multiple streams.
pcm.name { pcm.name {
type dmix # Direct mix type dmix # Direct mix
ipc_key INT # unique IPC key ipc_key INT # unique IPC key
ipc_key_add_uid BOOL # add current uid to unique IPC key
slave STR slave STR
# or # or
slave { # Slave definition slave { # Slave definition
@ -1468,7 +1469,7 @@ int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
snd_config_iterator_t i, next; snd_config_iterator_t i, next;
snd_config_t *slave = NULL, *sconf; snd_config_t *slave = NULL, *sconf;
struct slave_params params; struct slave_params params;
int bsize, psize; int bsize, psize, ipc_key_add_uid = 0;
key_t ipc_key = 0; key_t ipc_key = 0;
int err; int err;
snd_config_for_each(i, next, conf) { snd_config_for_each(i, next, conf) {
@ -1488,6 +1489,22 @@ int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
ipc_key = key; ipc_key = key;
continue; continue;
} }
if (strcmp(id, "ipc_key_add_uid") == 0) {
char *tmp;
err = snd_config_get_ascii(n, &tmp);
if (err < 0) {
SNDERR("The field ipc_key_add_uid must be a boolean type");
return err;
}
err = snd_config_get_bool_ascii(tmp);
free(tmp);
if (err < 0) {
SNDERR("The field ipc_key_add_uid must be a boolean type");
return err;
}
ipc_key_add_uid = err;
continue;
}
if (strcmp(id, "slave") == 0) { if (strcmp(id, "slave") == 0) {
slave = n; slave = n;
continue; continue;
@ -1499,6 +1516,8 @@ int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
SNDERR("slave is not defined"); SNDERR("slave is not defined");
return -EINVAL; return -EINVAL;
} }
if (ipc_key_add_uid)
ipc_key += getuid();
if (!ipc_key) { if (!ipc_key) {
SNDERR("Unique IPC key is not defined"); SNDERR("Unique IPC key is not defined");
return -EINVAL; return -EINVAL;