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Allow build without libdl and libpthread

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Allow building alsa-lib without libdl and libpthread.
Added new options to configure, --with-libdl and --with-pthread.
This commit is contained in:
Takashi Iwai 2007-03-22 00:48:18 +01:00
parent 9a75eec664
commit 70e4ec9d08
21 changed files with 118 additions and 25 deletions
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11
src/control/hcontrol.c
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@ -48,11 +48,13 @@ to reduce overhead accessing the real controls in kernel drivers.
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <pthread.h>
#ifndef DOC_HIDDEN
#define __USE_GNU
#endif
#include "control_local.h"
#ifdef HAVE_LIBPTHREAD
#include <pthread.h>
#endif
#ifndef DOC_HIDDEN
#define NOT_FOUND 1000000000
@ -420,17 +422,22 @@ static int hctl_compare(const void *a, const void *b) {
static void snd_hctl_sort(snd_hctl_t *hctl)
{
unsigned int k;
#ifdef HAVE_LIBPTHREAD
static pthread_mutex_t sync_lock = PTHREAD_MUTEX_INITIALIZER;
#endif
assert(hctl);
assert(hctl->compare);
INIT_LIST_HEAD(&hctl->elems);
#ifdef HAVE_LIBPTHREAD
pthread_mutex_lock(&sync_lock);
#endif
compare_hctl = hctl;
qsort(hctl->pelems, hctl->count, sizeof(*hctl->pelems), hctl_compare);
#ifdef HAVE_LIBPTHREAD
pthread_mutex_unlock(&sync_lock);
#endif
for (k = 0; k < hctl->count; k++)
list_add_tail(&hctl->pelems[k]->list, &hctl->elems);
}