am 18c5bcc6: Revert "Set SA_RESTORER in sigaction()"
Merge commit '18c5bcc66a9a7b2178dcdcf04a0716958798ab81' into gingerbread-plus-aosp
* commit '18c5bcc66a9a7b2178dcdcf04a0716958798ab81':
Revert "Set SA_RESTORER in sigaction()"
diff --git a/libc/Android.mk b/libc/Android.mk
index 510864f..32bf932 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -240,6 +240,8 @@
inet/inet_ntoa.c \
inet/inet_ntop.c \
inet/inet_pton.c \
+ inet/ether_aton.c \
+ inet/ether_ntoa.c \
tzcode/asctime.c \
tzcode/difftime.c \
tzcode/localtime.c \
@@ -349,6 +351,7 @@
# up any thumb code.
libc_common_src_files += \
bionic/pthread.c.arm \
+ bionic/pthread-atfork.c.arm \
bionic/pthread-rwlocks.c.arm \
bionic/pthread-timers.c.arm \
bionic/ptrace.c.arm
@@ -384,6 +387,7 @@
arch-x86/string/strncmp_wrapper.S \
arch-x86/string/strlen.S \
bionic/pthread.c \
+ bionic/pthread-atfork.c \
bionic/pthread-rwlocks.c \
bionic/pthread-timers.c \
bionic/ptrace.c
@@ -421,6 +425,7 @@
string/memcmp.c \
string/strlen.c \
bionic/pthread.c \
+ bionic/pthread-atfork.c \
bionic/pthread-rwlocks.c \
bionic/pthread-timers.c \
bionic/ptrace.c \
@@ -499,6 +504,10 @@
$(LOCAL_PATH)/string \
$(LOCAL_PATH)/stdio
+# Needed to access private/__dso_handle.S from
+# crtbegin_xxx.S and crtend_xxx.S
+#
+libc_crt_target_cflags += -I$(LOCAL_PATH)/private
# Define the libc run-time (crt) support object files that must be built,
# which are needed to build all other objects (shared/static libs and
@@ -675,6 +684,7 @@
LOCAL_SHARED_LIBRARIES := libc
LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
LOCAL_SYSTEM_SHARED_LIBRARIES :=
+LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
# Don't prelink
LOCAL_PRELINK_MODULE := false
# Don't install on release build
diff --git a/libc/arch-x86/bionic/clone.S b/libc/arch-x86/bionic/clone.S
index 3b50cc3..44fce1e 100644
--- a/libc/arch-x86/bionic/clone.S
+++ b/libc/arch-x86/bionic/clone.S
@@ -52,4 +52,4 @@
/* XXX: TODO: Add __bionic_clone here
* See bionic/bionic_clone.c and arch-arm/bionic/clone.S
* for more details...
- */
\ No newline at end of file
+ */
diff --git a/libc/bionic/fork.c b/libc/bionic/fork.c
index 79b8fff..0eedb01 100644
--- a/libc/bionic/fork.c
+++ b/libc/bionic/fork.c
@@ -41,9 +41,12 @@
* of error, or in the parent process
*/
__timer_table_start_stop(1);
+ __bionic_atfork_run_prepare();
+
ret = __fork();
if (ret != 0) { /* not a child process */
__timer_table_start_stop(0);
+ __bionic_atfork_run_parent();
} else {
/*
* Newly created process must update cpu accounting.
@@ -52,6 +55,7 @@
* as a parameter.
*/
cpuacct_add(getuid());
+ __bionic_atfork_run_child();
}
return ret;
}
diff --git a/libc/bionic/libc_init_common.c b/libc/bionic/libc_init_common.c
index d78d673..dd6e027 100644
--- a/libc/bionic/libc_init_common.c
+++ b/libc/bionic/libc_init_common.c
@@ -62,7 +62,7 @@
static pthread_internal_t thread;
static void* tls_area[BIONIC_TLS_SLOTS];
- /* setup pthread runtime and maint thread descriptor */
+ /* setup pthread runtime and main thread descriptor */
unsigned stacktop = (__get_sp() & ~(PAGE_SIZE - 1)) + PAGE_SIZE;
unsigned stacksize = 128 * 1024;
unsigned stackbottom = stacktop - stacksize;
diff --git a/libc/bionic/libc_init_dynamic.c b/libc/bionic/libc_init_dynamic.c
index 682ebcf..97e80ea 100644
--- a/libc/bionic/libc_init_dynamic.c
+++ b/libc/bionic/libc_init_dynamic.c
@@ -61,7 +61,7 @@
void __libc_prenit(void)
{
- /* Read the ELF data pointer form a special slot of the
+ /* Read the ELF data pointer from a special slot of the
* TLS area, then call __libc_init_common with it.
*
* Note that:
diff --git a/libc/bionic/pthread-atfork.c b/libc/bionic/pthread-atfork.c
new file mode 100644
index 0000000..3a5189d
--- /dev/null
+++ b/libc/bionic/pthread-atfork.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <stdlib.h>
+#include <errno.h>
+#include <pthread.h>
+#include <sys/queue.h>
+
+static pthread_mutex_t handler_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
+
+struct atfork_t
+{
+ CIRCLEQ_ENTRY(atfork_t) entries;
+
+ void (*prepare)(void);
+ void (*child)(void);
+ void (*parent)(void);
+};
+static CIRCLEQ_HEAD(atfork_head_t, atfork_t) atfork_head = \
+ CIRCLEQ_HEAD_INITIALIZER(atfork_head);
+
+void __bionic_atfork_run_prepare()
+{
+ struct atfork_t *cursor;
+
+ /* We will lock this here, and unlock it in the parent and child functions.
+ * This ensures that nobody can modify the handler array between the calls
+ * to the prepare and parent/child handlers.
+ *
+ * TODO: If a handler mucks with the list, it could cause problems. Right
+ * now it's ok because all they can do is add new items to the end
+ * of the list, but if/when we implement cleanup in dlclose() things
+ * will get more interesting...
+ */
+ pthread_mutex_lock(&handler_mutex);
+
+ /* Call pthread_atfork() prepare handlers. Posix states that the prepare
+ * handlers should be called in the reverse order of the parent/child
+ * handlers, so we iterate backwards.
+ */
+ for (cursor = atfork_head.cqh_last;
+ cursor != (void*)&atfork_head;
+ cursor = cursor->entries.cqe_prev) {
+ if (cursor->prepare != NULL) {
+ cursor->prepare();
+ }
+ }
+}
+
+void __bionic_atfork_run_child()
+{
+ struct atfork_t *cursor;
+
+ /* Call pthread_atfork() child handlers */
+ for (cursor = atfork_head.cqh_first;
+ cursor != (void*)&atfork_head;
+ cursor = cursor->entries.cqe_next) {
+ if (cursor->child != NULL) {
+ cursor->child();
+ }
+ }
+
+ pthread_mutex_unlock(&handler_mutex);
+}
+
+void __bionic_atfork_run_parent()
+{
+ struct atfork_t *cursor;
+
+ /* Call pthread_atfork() parent handlers */
+ for (cursor = atfork_head.cqh_first;
+ cursor != (void*)&atfork_head;
+ cursor = cursor->entries.cqe_next) {
+ if (cursor->parent != NULL) {
+ cursor->parent();
+ }
+ }
+
+ pthread_mutex_unlock(&handler_mutex);
+}
+
+int pthread_atfork(void (*prepare)(void), void (*parent)(void), void(*child)(void))
+{
+ struct atfork_t *entry = malloc(sizeof(struct atfork_t));
+
+ if (entry == NULL) {
+ return ENOMEM;
+ }
+
+ entry->prepare = prepare;
+ entry->parent = parent;
+ entry->child = child;
+
+ pthread_mutex_lock(&handler_mutex);
+ CIRCLEQ_INSERT_TAIL(&atfork_head, entry, entries);
+ pthread_mutex_unlock(&handler_mutex);
+
+ return 0;
+}
diff --git a/libc/bionic/pthread_internal.h b/libc/bionic/pthread_internal.h
index eb4e80c..655b8f3 100644
--- a/libc/bionic/pthread_internal.h
+++ b/libc/bionic/pthread_internal.h
@@ -109,6 +109,9 @@
/* needed by fork.c */
extern void __timer_table_start_stop(int stop);
+extern void __bionic_atfork_run_prepare();
+extern void __bionic_atfork_run_child();
+extern void __bionic_atfork_run_parent();
__END_DECLS
diff --git a/libc/docs/CHANGES.TXT b/libc/docs/CHANGES.TXT
index d1d82de..e1eee4f 100644
--- a/libc/docs/CHANGES.TXT
+++ b/libc/docs/CHANGES.TXT
@@ -70,6 +70,8 @@
- <sys/vfs.h>: fixed implementation of fstatfs() (also fixes fpathconf()
which uses it).
+- Added an implementation of pthread_atfork()
+
- <dlfcn.h>: fixed dlopen() implementation to support dlopen(NULL, ...).
This allows one to look at the dynamic symbols exported by an executable.
diff --git a/libc/include/net/if_ether.h b/libc/include/net/if_ether.h
index 121f9ac..8daa16b 100644
--- a/libc/include/net/if_ether.h
+++ b/libc/include/net/if_ether.h
@@ -34,6 +34,8 @@
#ifndef _NET_IF_ETHER_H_
#define _NET_IF_ETHER_H_
+#include <sys/types.h>
+
#ifdef _KERNEL
#ifdef _KERNEL_OPT
#include "opt_mbuftrace.h"
diff --git a/libc/include/pthread.h b/libc/include/pthread.h
index 9773dcb..2e1b281 100644
--- a/libc/include/pthread.h
+++ b/libc/include/pthread.h
@@ -268,6 +268,8 @@
int pthread_setname_np(pthread_t thid, const char *thname);
+int pthread_atfork(void (*prepare)(void), void (*parent)(void), void(*child)(void));
+
typedef void (*__pthread_cleanup_func_t)(void*);
typedef struct __pthread_cleanup_t {
diff --git a/libc/inet/ether_aton.c b/libc/inet/ether_aton.c
new file mode 100644
index 0000000..6540c07
--- /dev/null
+++ b/libc/inet/ether_aton.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <net/if_ether.h>
+#include <ctype.h>
+
+static inline int
+xdigit (char c) {
+ unsigned d;
+ d = (unsigned)(c-'0');
+ if (d < 10) return (int)d;
+ d = (unsigned)(c-'a');
+ if (d < 6) return (int)(10+d);
+ d = (unsigned)(c-'A');
+ if (d < 6) return (int)(10+d);
+ return -1;
+}
+
+/*
+ * Convert Ethernet address in the standard hex-digits-and-colons to binary
+ * representation.
+ * Re-entrant version (GNU extensions)
+ */
+struct ether_addr *
+ether_aton_r (const char *asc, struct ether_addr * addr)
+{
+ int i, val0, val1;
+ for (i = 0; i < ETHER_ADDR_LEN; ++i) {
+ val0 = xdigit(*asc);
+ asc++;
+ if (val0 < 0)
+ return NULL;
+
+ val1 = xdigit(*asc);
+ asc++;
+ if (val1 < 0)
+ return NULL;
+
+ addr->ether_addr_octet[i] = (u_int8_t)((val0 << 4) + val1);
+
+ if (i < ETHER_ADDR_LEN - 1) {
+ if (*asc != ':')
+ return NULL;
+ asc++;
+ }
+ }
+ if (*asc != '\0')
+ return NULL;
+ return addr;
+}
+
+/*
+ * Convert Ethernet address in the standard hex-digits-and-colons to binary
+ * representation.
+ */
+struct ether_addr *
+ether_aton (const char *asc)
+{
+ static struct ether_addr addr;
+ return ether_aton_r(asc, &addr);
+}
diff --git a/libc/inet/ether_ntoa.c b/libc/inet/ether_ntoa.c
new file mode 100644
index 0000000..f56e48b
--- /dev/null
+++ b/libc/inet/ether_ntoa.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <net/if_ether.h>
+
+/*
+ * Convert Ethernet address to standard hex-digits-and-colons printable form.
+ * Re-entrant version (GNU extensions).
+ */
+char *
+ether_ntoa_r (const struct ether_addr *addr, char * buf)
+{
+ snprintf(buf, 18, "%02x:%02x:%02x:%02x:%02x:%02x",
+ addr->ether_addr_octet[0], addr->ether_addr_octet[1],
+ addr->ether_addr_octet[2], addr->ether_addr_octet[3],
+ addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
+ return buf;
+}
+
+/*
+ * Convert Ethernet address to standard hex-digits-and-colons printable form.
+ */
+char *
+ether_ntoa (const struct ether_addr *addr)
+{
+ static char buf[18];
+ return ether_ntoa_r(addr, buf);
+}
diff --git a/libc/kernel/common/linux/ipv6_route.h b/libc/kernel/common/linux/ipv6_route.h
new file mode 100644
index 0000000..3791e87
--- /dev/null
+++ b/libc/kernel/common/linux/ipv6_route.h
@@ -0,0 +1,55 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_IPV6_ROUTE_H
+#define _LINUX_IPV6_ROUTE_H
+
+#include <linux/types.h>
+
+#define RTF_DEFAULT 0x00010000
+#define RTF_ALLONLINK 0x00020000
+#define RTF_ADDRCONF 0x00040000
+#define RTF_PREFIX_RT 0x00080000
+#define RTF_ANYCAST 0x00100000
+
+#define RTF_NONEXTHOP 0x00200000
+#define RTF_EXPIRES 0x00400000
+
+#define RTF_ROUTEINFO 0x00800000
+
+#define RTF_CACHE 0x01000000
+#define RTF_FLOW 0x02000000
+#define RTF_POLICY 0x04000000
+
+#define RTF_PREF(pref) ((pref) << 27)
+#define RTF_PREF_MASK 0x18000000
+
+#define RTF_LOCAL 0x80000000
+
+struct in6_rtmsg {
+ struct in6_addr rtmsg_dst;
+ struct in6_addr rtmsg_src;
+ struct in6_addr rtmsg_gateway;
+ __u32 rtmsg_type;
+ __u16 rtmsg_dst_len;
+ __u16 rtmsg_src_len;
+ __u32 rtmsg_metric;
+ unsigned long rtmsg_info;
+ __u32 rtmsg_flags;
+ int rtmsg_ifindex;
+};
+
+#define RTMSG_NEWDEVICE 0x11
+#define RTMSG_DELDEVICE 0x12
+#define RTMSG_NEWROUTE 0x21
+#define RTMSG_DELROUTE 0x22
+
+#endif
diff --git a/libc/kernel/common/linux/netfilter_ipv6/ip6_tables.h b/libc/kernel/common/linux/netfilter_ipv6/ip6_tables.h
index 1687e4f..d76a529 100644
--- a/libc/kernel/common/linux/netfilter_ipv6/ip6_tables.h
+++ b/libc/kernel/common/linux/netfilter_ipv6/ip6_tables.h
@@ -173,6 +173,15 @@
#define IP6T_ERROR_TARGET XT_ERROR_TARGET
+static __inline__ struct ip6t_entry_target *
+ip6t_get_target(struct ip6t_entry *e)
+{
+ return (void *)e + e->target_offset;
+}
+
#define IP6T_MATCH_ITERATE(e, fn, args...) ({ unsigned int __i; int __ret = 0; struct ip6t_entry_match *__m; for (__i = sizeof(struct ip6t_entry); __i < (e)->target_offset; __i += __m->u.match_size) { __m = (void *)(e) + __i; __ret = fn(__m , ## args); if (__ret != 0) break; } __ret; })
+
#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) ({ unsigned int __i; int __ret = 0; struct ip6t_entry *__e; for (__i = 0; __i < (size); __i += __e->next_offset) { __e = (void *)(entries) + __i; __ret = fn(__e , ## args); if (__ret != 0) break; } __ret; })
+
#endif
+
diff --git a/libc/kernel/tools/defaults.py b/libc/kernel/tools/defaults.py
index 4227de7..b35f72b 100644
--- a/libc/kernel/tools/defaults.py
+++ b/libc/kernel/tools/defaults.py
@@ -71,6 +71,7 @@
"__cmsg_nxthdr", # linux/socket.h
"cmsg_nxthdr", # linux/socket.h
"ipt_get_target",
+ "ip6t_get_target",
]
)