am c7b54666: Merge remote branch \'goog/honeycomb-mr2\' into honeycomb-LTE
* commit 'c7b54666e097fbc102ac6754da99e1513f60d5ea':
Update to tzdata2011g.
diff --git a/libc/arch-x86/bionic/syscall.S b/libc/arch-x86/bionic/syscall.S
index 71abe6b..3cca85c 100644
--- a/libc/arch-x86/bionic/syscall.S
+++ b/libc/arch-x86/bionic/syscall.S
@@ -20,18 +20,15 @@
.align 4
syscall:
- push %eax
push %ebx
- push %ecx
- push %edx
push %esi
push %edi
- mov 28(%esp),%eax
- mov 32(%esp),%ebx
- mov 36(%esp),%ecx
- mov 40(%esp),%edx
- mov 44(%esp),%esi
- mov 48(%esp),%edi
+ mov 16(%esp),%eax
+ mov 20(%esp),%ebx
+ mov 24(%esp),%ecx
+ mov 28(%esp),%edx
+ mov 32(%esp),%esi
+ mov 36(%esp),%edi
int $0x80
@@ -45,8 +42,5 @@
1:
pop %edi
pop %esi
- pop %edx
- pop %ecx
pop %ebx
- pop %eax
ret
diff --git a/libc/bionic/malloc_debug_common.c b/libc/bionic/malloc_debug_common.c
index ebf0006..b9fcbc4 100644
--- a/libc/bionic/malloc_debug_common.c
+++ b/libc/bionic/malloc_debug_common.c
@@ -84,7 +84,6 @@
//
// This is used for sorting, not determination of equality, so we don't
// need to compare the bit flags.
- int result;
if (alloc1 > alloc2) {
result = -1;
} else if (alloc1 < alloc2) {
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 9b6da31..92035d4 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -79,7 +79,7 @@
#define ___STRING(x) __STRING(x)
#define ___CONCAT(x,y) __CONCAT(x,y)
-#if __STDC__ || defined(__cplusplus)
+#if defined(__STDC__) || defined(__cplusplus)
#define __P(protos) protos /* full-blown ANSI C */
#define __CONCAT(x,y) x ## y
#define __STRING(x) #x
@@ -213,7 +213,7 @@
* C99 defines the restrict type qualifier keyword, which was made available
* in GCC 2.92.
*/
-#if __STDC_VERSION__ >= 199901L
+#if defined(__STDC__VERSION__) && __STDC_VERSION__ >= 199901L
#define __restrict restrict
#else
#if !__GNUC_PREREQ__(2, 92)
@@ -225,7 +225,7 @@
* C99 defines __func__ predefined identifier, which was made available
* in GCC 2.95.
*/
-#if !(__STDC_VERSION__ >= 199901L)
+#if !defined(__STDC_VERSION__) || !(__STDC_VERSION__ >= 199901L)
#if __GNUC_PREREQ__(2, 6)
#define __func__ __PRETTY_FUNCTION__
#elif __GNUC_PREREQ__(2, 4)
diff --git a/libc/netbsd/resolv/res_cache.c b/libc/netbsd/resolv/res_cache.c
index f0c51ab..e6302ed 100644
--- a/libc/netbsd/resolv/res_cache.c
+++ b/libc/netbsd/resolv/res_cache.c
@@ -34,6 +34,7 @@
#include <errno.h>
#include "arpa_nameser.h"
+#include <sys/system_properties.h>
/* This code implements a small and *simple* DNS resolver cache.
*
@@ -106,7 +107,7 @@
*/
#define CONFIG_SECONDS (60*10) /* 10 minutes */
-/* maximum number of entries kept in the cache. This value has been
+/* default number of entries kept in the cache. This value has been
* determined by browsing through various sites and counting the number
* of corresponding requests. Keep in mind that our framework is currently
* performing two requests per name lookup (one for IPv4, the other for IPv6)
@@ -125,10 +126,16 @@
* most high-level websites use lots of media/ad servers with different names
* but these are generally reused when browsing through the site.
*
- * As such, a valud of 64 should be relatively conformtable at the moment.
+ * As such, a value of 64 should be relatively comfortable at the moment.
+ *
+ * The system property ro.net.dns_cache_size can be used to override the default
+ * value with a custom value
*/
#define CONFIG_MAX_ENTRIES 64
+/* name of the system property that can be used to set the cache size */
+#define DNS_CACHE_SIZE_PROP_NAME "ro.net.dns_cache_size"
+
/****************************************************************************/
/****************************************************************************/
/***** *****/
@@ -1147,15 +1154,15 @@
* for simplicity, the hash-table fields 'hash' and 'hlink' are
* inlined in the Entry structure.
*/
-#define MAX_HASH_ENTRIES (2*CONFIG_MAX_ENTRIES)
typedef struct resolv_cache {
+ int max_entries;
int num_entries;
Entry mru_list;
pthread_mutex_t lock;
unsigned generation;
int last_id;
- Entry* entries[ MAX_HASH_ENTRIES ];
+ Entry* entries;
} Cache;
@@ -1167,9 +1174,9 @@
int nn;
time_t now = _time_now();
- for (nn = 0; nn < MAX_HASH_ENTRIES; nn++)
+ for (nn = 0; nn < cache->max_entries; nn++)
{
- Entry** pnode = &cache->entries[nn];
+ Entry** pnode = (Entry**) &cache->entries[nn];
while (*pnode != NULL) {
Entry* node = *pnode;
@@ -1187,6 +1194,30 @@
"*************************");
}
+/* Return max number of entries allowed in the cache,
+ * i.e. cache size. The cache size is either defined
+ * by system property ro.net.dns_cache_size or by
+ * CONFIG_MAX_ENTRIES if system property not set
+ * or set to invalid value. */
+static int
+_res_cache_get_max_entries( void )
+{
+ int result = -1;
+ char cache_size[PROP_VALUE_MAX];
+
+ if (__system_property_get(DNS_CACHE_SIZE_PROP_NAME, cache_size) > 0) {
+ result = atoi(cache_size);
+ }
+
+ // ro.net.dns_cache_size not set or set to negative value
+ if (result <= 0) {
+ result = CONFIG_MAX_ENTRIES;
+ }
+
+ XLOG("cache size: %d", result);
+ return result;
+}
+
static struct resolv_cache*
_resolv_cache_create( void )
{
@@ -1194,10 +1225,17 @@
cache = calloc(sizeof(*cache), 1);
if (cache) {
- cache->generation = ~0U;
- pthread_mutex_init( &cache->lock, NULL );
- cache->mru_list.mru_prev = cache->mru_list.mru_next = &cache->mru_list;
- XLOG("%s: cache created\n", __FUNCTION__);
+ cache->max_entries = _res_cache_get_max_entries();
+ cache->entries = calloc(sizeof(*cache->entries), cache->max_entries);
+ if (cache->entries) {
+ cache->generation = ~0U;
+ pthread_mutex_init( &cache->lock, NULL );
+ cache->mru_list.mru_prev = cache->mru_list.mru_next = &cache->mru_list;
+ XLOG("%s: cache created\n", __FUNCTION__);
+ } else {
+ free(cache);
+ cache = NULL;
+ }
}
return cache;
}
@@ -1288,8 +1326,8 @@
_cache_lookup_p( Cache* cache,
Entry* key )
{
- int index = key->hash % MAX_HASH_ENTRIES;
- Entry** pnode = &cache->entries[ key->hash % MAX_HASH_ENTRIES ];
+ int index = key->hash % cache->max_entries;
+ Entry** pnode = (Entry**) &cache->entries[ index ];
while (*pnode != NULL) {
Entry* node = *pnode;
@@ -1470,7 +1508,7 @@
goto Exit;
}
- if (cache->num_entries >= CONFIG_MAX_ENTRIES) {
+ if (cache->num_entries >= cache->max_entries) {
_cache_remove_oldest(cache);
/* need to lookup again */
lookup = _cache_lookup_p(cache, key);
diff --git a/libc/unistd/sigblock.c b/libc/unistd/sigblock.c
index 863d7da..176bc13 100644
--- a/libc/unistd/sigblock.c
+++ b/libc/unistd/sigblock.c
@@ -37,6 +37,7 @@
sigset_t the_sigset;
} in, out;
+ sigemptyset(&in.the_sigset);
in.the_mask = mask;
n = sigprocmask(SIG_BLOCK, &in.the_sigset, &out.the_sigset);
diff --git a/libc/unistd/sigsetmask.c b/libc/unistd/sigsetmask.c
index 4f46458..7842bf1 100644
--- a/libc/unistd/sigsetmask.c
+++ b/libc/unistd/sigsetmask.c
@@ -38,6 +38,7 @@
sigset_t the_sigset;
} in, out;
+ sigemptyset(&in.the_sigset);
in.the_mask = mask;
n = sigprocmask(SIG_SETMASK, &in.the_sigset, &out.the_sigset);
diff --git a/linker/linker.c b/linker/linker.c
index 5a9dccf..e350d89 100644
--- a/linker/linker.c
+++ b/linker/linker.c
@@ -822,7 +822,7 @@
static int reserve_mem_region(soinfo *si)
{
void *base = mmap((void *)si->base, si->size, PROT_READ | PROT_EXEC,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (base == MAP_FAILED) {
DL_ERR("%5d can NOT map (%sprelinked) library '%s' at 0x%08x "
"as requested, will try general pool: %d (%s)",