Attachment 15815 Details for Bug 14291 – OmniOS Robust Mutex attr initialization patch

OmniOS Robust Mutex attr initialization patch

mutexattr.patch (text/plain), 1.91 KB, created by Peter Eriksson on 2020-02-21 22:03:21 UTC

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Creator: Peter Eriksson

Created: 2020-02-21 22:03:21 UTC

Size: 1.91 KB

patch

obsolete

># mutexattr's needs to be initialized or locking will fail on OmniOS
>diff -u -r samba-4.12.0rc1/lib/tdb/common/mutex.c samba-4.12.0rc1-liu/lib/tdb/common/mutex.c
>--- samba-4.12.0rc1/lib/tdb/common/mutex.c	tis jan. 21 15:09:48 2020
>+++ samba-4.12.0rc1-liu/lib/tdb/common/mutex.c	tors jan. 23 21:41:16 2020
>@@ -220,7 +220,7 @@
> 		    bool waitflag, int *pret)
> {
> 	struct tdb_mutexes *m = tdb->mutexes;
>-	pthread_mutex_t *chain;
>+	pthread_mutex_t *chain = NULL;
> 	int ret;
> 	unsigned idx;
> 	bool allrecord_ok;
>@@ -558,7 +558,7 @@
> int tdb_mutex_init(struct tdb_context *tdb)
> {
> 	struct tdb_mutexes *m;
>-	pthread_mutexattr_t ma;
>+	pthread_mutexattr_t ma = { 0 };
> 	int i, ret;
> 
> 	ret = tdb_mutex_mmap(tdb);
>@@ -587,6 +587,9 @@
> 	for (i=0; i<tdb->hash_size+1; i++) {
> 		pthread_mutex_t *chain = &m->hashchains[i];
> 
>+#ifdef __sun__
>+		memset(chain, 0, sizeof(*chain));
>+#endif
> 		ret = pthread_mutex_init(chain, &ma);
> 		if (ret != 0) {
> 			goto fail;
>@@ -594,7 +597,9 @@
> 	}
> 
> 	m->allrecord_lock = F_UNLCK;
>-
>+#ifdef __sun__
>+	memset(&m->allrecord_mutex, 0, sizeof(pthread_mutex_t));
>+#endif
> 	ret = pthread_mutex_init(&m->allrecord_mutex, &ma);
> 	if (ret != 0) {
> 		goto fail;
>@@ -661,7 +666,7 @@
> 
> static bool tdb_mutex_locking_supported(void)
> {
>-	pthread_mutexattr_t ma;
>+  	pthread_mutexattr_t ma = { 0 };
> 	pthread_mutex_t m;
> 	int ret;
> 	static bool initialized;
>@@ -688,6 +693,9 @@
> 	if (ret != 0) {
> 		goto cleanup_ma;
> 	}
>+#ifdef __sun__
>+	memset(&m, 0, sizeof(m));
>+#endif
> 	ret = pthread_mutex_init(&m, &ma);
> 	if (ret != 0) {
> 		goto cleanup_ma;
>@@ -829,7 +837,7 @@
> {
> 	void *ptr = NULL;
> 	pthread_mutex_t *m = NULL;
>-	pthread_mutexattr_t ma;
>+	pthread_mutexattr_t ma = { 0 };
> 	int ret = 1;
> 	int pipe_down[2] = { -1, -1 };
> 	int pipe_up[2] = { -1, -1 };
>@@ -885,6 +893,9 @@
> 	if (ret != 0) {
> 		goto cleanup;
> 	}
>+#ifdef __sun__
>+	memset(ptr, 0, sizeof(*ptr));
>+#endif
> 	ret = pthread_mutex_init(ptr, &ma);
> 	if (ret != 0) {
> 		goto cleanup;

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Attachments on bug 14291: 15815