Merge head

16 files changed, 120 insertions, 71 deletions

diff --git a/lib/libc/arm/_fpmath.h b/lib/libc/arm/_fpmath.h
index 4c18945..28bcb4b 100644
--- a/lib/libc/arm/_fpmath.h
+++ b/lib/libc/arm/_fpmath.h
@@ -26,7 +26,7 @@
  * $FreeBSD$
  */
 
-#if defined(__VFP_FP__)
+#if defined(__VFP_FP__) || defined(__ARM_EABI__)
 #define	_IEEE_WORD_ORDER	_BYTE_ORDER
 #else
 #define	_IEEE_WORD_ORDER	_BIG_ENDIAN
diff --git a/lib/libc/arm/arith.h b/lib/libc/arm/arith.h
index be78d86..5e2e389 100644
--- a/lib/libc/arm/arith.h
+++ b/lib/libc/arm/arith.h
@@ -11,7 +11,7 @@
  * architecture.  See contrib/gdtoa/gdtoaimp.h for details.
  */
 
-#if !defined(__ARMEB__) && defined(__VFP_FP__)
+#if !defined(__ARMEB__) && (defined(__VFP_FP__) || defined(__ARM_EABI__))
 #define IEEE_8087
 #define Arith_Kind_ASL 1
 #define Sudden_Underflow
diff --git a/lib/libc/arm/softfloat/arm-gcc.h b/lib/libc/arm/softfloat/arm-gcc.h
index 15bc509..0e20ef9 100644
--- a/lib/libc/arm/softfloat/arm-gcc.h
+++ b/lib/libc/arm/softfloat/arm-gcc.h
@@ -91,7 +91,7 @@ what the endianness of the CPU.  VFP is sane.
 -------------------------------------------------------------------------------
 */
 #if defined(SOFTFLOAT_FOR_GCC)
-#if defined(__VFP_FP__) || defined(__ARMEB__)
+#if defined (__ARM_EABI__) || defined(__VFP_FP__) || defined(__ARMEB__)
 #define FLOAT64_DEMANGLE(a)	(a)
 #define FLOAT64_MANGLE(a)	(a)
 #else
diff --git a/lib/libc/iconv/citrus_iconv_local.h b/lib/libc/iconv/citrus_iconv_local.h
index 52ac825..e673c9a 100644
--- a/lib/libc/iconv/citrus_iconv_local.h
+++ b/lib/libc/iconv/citrus_iconv_local.h
@@ -31,6 +31,7 @@
 #define _CITRUS_ICONV_LOCAL_H_
 
 #include <iconv.h>
+#include <stdbool.h>
 
 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
     int _n_(struct _citrus_iconv_ops *)
diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index c6af6d8..495ebc1 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -831,7 +831,8 @@ set_source(struct ai_order *aio, struct policyhead *ph)
 	get_port(&ai, "1", 0);
 
 	/* open a socket to get the source address for the given dst */
-	if ((s = _socket(ai.ai_family, ai.ai_socktype, ai.ai_protocol)) < 0)
+	if ((s = _socket(ai.ai_family, ai.ai_socktype | SOCK_CLOEXEC,
+	    ai.ai_protocol)) < 0)
 		return;		/* give up */
 	if (_connect(s, ai.ai_addr, ai.ai_addrlen) < 0)
 		goto cleanup;
@@ -1131,7 +1132,7 @@ explore_null(const struct addrinfo *pai, const char *servname,
 	 * filter out AFs that are not supported by the kernel
 	 * XXX errno?
 	 */
-	s = _socket(pai->ai_family, SOCK_DGRAM, 0);
+	s = _socket(pai->ai_family, SOCK_DGRAM | SOCK_CLOEXEC, 0);
 	if (s < 0) {
 		if (errno != EMFILE)
 			return 0;
@@ -1541,18 +1542,19 @@ addrconfig(struct addrinfo *pai)
 	 */
 	af = pai->ai_family;
 	if (af == AF_UNSPEC) {
-		if ((s = _socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+		if ((s = _socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0)) < 0)
 			af = AF_INET;
 		else {
 			_close(s);
-			if ((s = _socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+			if ((s = _socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC,
+			    0)) < 0)
 				af = AF_INET6;
 			else
 				_close(s);
 		}
 	}
 	if (af != AF_UNSPEC) {
-		if ((s = _socket(af, SOCK_DGRAM, 0)) < 0)
+		if ((s = _socket(af, SOCK_DGRAM | SOCK_CLOEXEC, 0)) < 0)
 			return 0;
 		_close(s);
 	}
diff --git a/lib/libc/net/if_nametoindex.c b/lib/libc/net/if_nametoindex.c
index 89076c0..8f04921 100644
--- a/lib/libc/net/if_nametoindex.c
+++ b/lib/libc/net/if_nametoindex.c
@@ -68,7 +68,7 @@ if_nametoindex(const char *ifname)
 	struct ifaddrs *ifaddrs, *ifa;
 	unsigned int ni;
 
-	s = _socket(AF_INET, SOCK_DGRAM, 0);
+	s = _socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
 	if (s != -1) {
 #ifdef PURIFY
 		memset(&ifr, 0, sizeof(ifr));
diff --git a/lib/libc/net/name6.c b/lib/libc/net/name6.c
index 118e033..97880a2 100644
--- a/lib/libc/net/name6.c
+++ b/lib/libc/net/name6.c
@@ -235,7 +235,7 @@ getipnodebyname(const char *name, int af, int flags, int *errp)
 	if (flags & AI_ADDRCONFIG) {
 		int s;
 
-		if ((s = _socket(af, SOCK_DGRAM, 0)) < 0)
+		if ((s = _socket(af, SOCK_DGRAM | SOCK_CLOEXEC, 0)) < 0)
 			return NULL;
 		/*
 		 * TODO:
@@ -868,7 +868,8 @@ set_source(struct hp_order *aio, struct policyhead *ph)
 	}
 
 	/* open a socket to get the source address for the given dst */
-	if ((s = _socket(ss.ss_family, SOCK_DGRAM, IPPROTO_UDP)) < 0)
+	if ((s = _socket(ss.ss_family, SOCK_DGRAM | SOCK_CLOEXEC,
+	    IPPROTO_UDP)) < 0)
 		return;		/* give up */
 	if (_connect(s, (struct sockaddr *)&ss, ss.ss_len) < 0)
 		goto cleanup;
diff --git a/lib/libc/net/nscachedcli.c b/lib/libc/net/nscachedcli.c
index b4de0c1..2ceacb7 100644
--- a/lib/libc/net/nscachedcli.c
+++ b/lib/libc/net/nscachedcli.c
@@ -200,7 +200,7 @@ __open_cached_connection(struct cached_connection_params const *params)
 
 	assert(params != NULL);
 
-	client_socket = _socket(PF_LOCAL, SOCK_STREAM, 0);
+	client_socket = _socket(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
 	client_address.sun_family = PF_LOCAL;
 	strncpy(client_address.sun_path, params->socket_path,
 	    sizeof(client_address.sun_path));
diff --git a/lib/libc/resolv/res_send.c b/lib/libc/resolv/res_send.c
index 716ae32..4896fe8 100644
--- a/lib/libc/resolv/res_send.c
+++ b/lib/libc/resolv/res_send.c
@@ -660,7 +660,8 @@ send_vc(res_state statp,
 		if (statp->_vcsock >= 0)
 			res_nclose(statp);
 
-		statp->_vcsock = _socket(nsap->sa_family, SOCK_STREAM, 0);
+		statp->_vcsock = _socket(nsap->sa_family, SOCK_STREAM |
+		    SOCK_CLOEXEC, 0);
 #if !defined(USE_POLL) && !defined(USE_KQUEUE)
 		if (statp->_vcsock > highestFD) {
 			res_nclose(statp);
@@ -851,7 +852,7 @@ send_dg(res_state statp,
 	nsaplen = get_salen(nsap);
 	if (EXT(statp).nssocks[ns] == -1) {
 		EXT(statp).nssocks[ns] = _socket(nsap->sa_family,
-		    SOCK_DGRAM, 0);
+		    SOCK_DGRAM | SOCK_CLOEXEC, 0);
 #if !defined(USE_POLL) && !defined(USE_KQUEUE)
 		if (EXT(statp).nssocks[ns] > highestFD) {
 			res_nclose(statp);
diff --git a/lib/libc/stdio/flags.c b/lib/libc/stdio/flags.c
index 1878c2f..b7552a4 100644
--- a/lib/libc/stdio/flags.c
+++ b/lib/libc/stdio/flags.c
@@ -51,7 +51,7 @@ __FBSDID("$FreeBSD$");
 int
 __sflags(const char *mode, int *optr)
 {
-	int ret, m, o;
+	int ret, m, o, known;
 
 	switch (*mode++) {
 
@@ -78,34 +78,35 @@ __sflags(const char *mode, int *optr)
 		return (0);
 	}
 
-	/* 'b' (binary) is ignored */
-	if (*mode == 'b')
-		mode++;
-
-	/* [rwa][b]\+ means read and write */
-	if (*mode == '+') {
-		mode++;
-		ret = __SRW;
-		m = O_RDWR;
-	}
-
-	/* 'b' (binary) can appear here, too -- and is ignored again */
-	if (*mode == 'b')
-		mode++;
-
-	/* 'x' means exclusive (fail if the file exists) */
-	if (*mode == 'x') {
-		mode++;
-		if (m == O_RDONLY) {
-			errno = EINVAL;
-			return (0);
+	do {
+		known = 1;
+		switch (*mode++) {
+		case 'b':
+			/* 'b' (binary) is ignored */
+			break;
+		case '+':
+			/* [rwa][b]\+ means read and write */
+			ret = __SRW;
+			m = O_RDWR;
+			break;
+		case 'x':
+			/* 'x' means exclusive (fail if the file exists) */
+			o |= O_EXCL;
+			break;
+		case 'e':
+			/* set close-on-exec */
+			o |= O_CLOEXEC;
+			break;
+		default:
+			known = 0;
+			break;
 		}
-		o |= O_EXCL;
-	}
+	} while (known);
 
-	/* set close-on-exec */
-	if (*mode == 'e')
-		o |= O_CLOEXEC;
+	if ((o & O_EXCL) != 0 && m == O_RDONLY) {
+		errno = EINVAL;
+		return (0);
+	}
 
 	*optr = m | o;
 	return (ret);
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2
index 130f70b..01cde0e 100644
--- a/lib/libc/sys/mmap.2
+++ b/lib/libc/sys/mmap.2
@@ -28,7 +28,7 @@
 .\"	@(#)mmap.2	8.4 (Berkeley) 5/11/95
 .\" $FreeBSD$
 .\"
-.Dd August 16, 2013
+.Dd September 9, 2013
 .Dt MMAP 2
 .Os
 .Sh NAME
@@ -98,6 +98,12 @@ argument by
 .Em or Ns 'ing
 the following values:
 .Bl -tag -width MAP_PREFAULT_READ
+.It Dv MAP_32BIT
+Request a region in the first 2GB of the current process's address space.
+If a suitable region cannot be found,
+.Fn mmap
+will fail.
+This flag is only available on 64-bit platforms.
 .It Dv MAP_ALIGNED Ns Pq Fa n
 Align the region on a requested boundary.
 If a suitable region cannot be found,
@@ -362,6 +368,13 @@ was specified and the
 argument was not page aligned, or part of the desired address space
 resides out of the valid address space for a user process.
 .It Bq Er EINVAL
+Both
+.Dv MAP_FIXED
+and
+.Dv MAP_32BIT
+were specified and part of the desired address space resides outside
+of the first 2GB of user address space.
+.It Bq Er EINVAL
 The
 .Fa len
 argument
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index d975ef9..5c784f6 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -28,7 +28,7 @@
 .\"	From: @(#)sigaction.2	8.2 (Berkeley) 4/3/94
 .\" $FreeBSD$
 .\"
-.Dd June 8, 2013
+.Dd September 6, 2013
 .Dt SIGACTION 2
 .Os
 .Sh NAME
@@ -55,7 +55,7 @@ struct  sigaction {
 .Sh DESCRIPTION
 The system defines a set of signals that may be delivered to a process.
 Signal delivery resembles the occurrence of a hardware interrupt:
-the signal is normally blocked from further occurrence, the current process
+the signal is normally blocked from further occurrence, the current thread
 context is saved, and a new one is built.
 A process may specify a
 .Em handler
@@ -64,13 +64,14 @@ to which a signal is delivered, or specify that a signal is to be
 A process may also specify that a default action is to be taken
 by the system when a signal occurs.
 A signal may also be
-.Em blocked ,
-in which case its delivery is postponed until it is
+.Em blocked
+for a thread,
+in which case it will not be delivered to that thread until it is
 .Em unblocked .
 The action to be taken on delivery is determined at the time
 of delivery.
 Normally, signal handlers execute on the current stack
-of the process.
+of the thread.
 This may be changed, on a per-handler basis,
 so that signals are taken on a special
 .Em "signal stack" .
@@ -82,20 +83,30 @@ but other signals may yet occur.
 A global
 .Em "signal mask"
 defines the set of signals currently blocked from delivery
-to a process.
-The signal mask for a process is initialized
+to a thread.
+The signal mask for a thread is initialized
 from that of its parent (normally empty).
 It may be changed with a
 .Xr sigprocmask 2
-call, or when a signal is delivered to the process.
+or
+.Xr pthread_sigmask 3
+call, or when a signal is delivered to the thread.
 .Pp
 When a signal
-condition arises for a process, the signal is added to a set of
-signals pending for the process.
-If the signal is not currently
+condition arises for a process or thread, the signal is added to a set of
+signals pending for the process or thread.
+Whether the signal is directed at the process in general or at a specific
+thread depends on how it is generated.
+For signals directed at a specific thread,
+if the signal is not currently
 .Em blocked
-by the process then it is delivered to the process.
-Signals may be delivered any time a process enters the operating system
+by the thread then it is delivered to the thread.
+For signals directed at the process,
+if the signal is not currently
+.Em blocked
+by all threads then it is delivered to one thread that does not have it blocked
+(the selection of which is unspecified).
+Signals may be delivered any time a thread enters the operating system
 (e.g., during a system call, page fault or trap, or clock interrupt).
 If multiple signals are ready to be delivered at the same time,
 any signals that could be caused by traps are delivered first.
@@ -106,17 +117,17 @@ The set of pending signals is returned by the
 .Xr sigpending 2
 system call.
 When a caught signal
-is delivered, the current state of the process is saved,
+is delivered, the current state of the thread is saved,
 a new signal mask is calculated (as described below),
 and the signal handler is invoked.
 The call to the handler
 is arranged so that if the signal handling routine returns
-normally the process will resume execution in the context
+normally the thread will resume execution in the context
 from before the signal's delivery.
-If the process wishes to resume in a different context, then it
+If the thread wishes to resume in a different context, then it
 must arrange to restore the previous context itself.
 .Pp
-When a signal is delivered to a process a new signal mask is
+When a signal is delivered to a thread a new signal mask is
 installed for the duration of the process' signal handler
 (or until a
 .Xr sigprocmask 2
@@ -218,7 +229,7 @@ to
 If this bit is set, the system will deliver the signal to the process
 on a
 .Em "signal stack" ,
-specified with
+specified by each thread with
 .Xr sigaltstack 2 .
 .It Dv SA_NODEFER
 If this bit is set, further occurrences of the delivered signal are
@@ -272,6 +283,11 @@ However, calls that have already committed are not restarted,
 but instead return a partial success (for example, a short read count).
 .Pp
 After a
+.Xr pthread_create 3
+the signal mask is inherited by the new thread and
+the set of pending signals and the signal stack for the new thread are empty.
+.Pp
+After a
 .Xr fork 2
 or
 .Xr vfork 2
diff --git a/lib/libc/sys/sigpending.2 b/lib/libc/sys/sigpending.2
index 37f92d8..06ecc00 100644
--- a/lib/libc/sys/sigpending.2
+++ b/lib/libc/sys/sigpending.2
@@ -31,7 +31,7 @@
 .\"	@(#)sigpending.2	8.3 (Berkeley) 1/12/94
 .\" $FreeBSD$
 .\"
-.Dd January 12, 1994
+.Dd September 6, 2013
 .Dt SIGPENDING 2
 .Os
 .Sh NAME
@@ -47,7 +47,7 @@
 The
 .Fn sigpending
 system call returns a mask of the signals pending for delivery
-to the calling process in the location indicated by
+to the calling thread or the calling process in the location indicated by
 .Fa set .
 Signals may be pending because they are currently masked,
 or transiently before delivery (although the latter case is not
diff --git a/lib/libc/sys/sigreturn.2 b/lib/libc/sys/sigreturn.2
index 13d76f6..1b76468 100644
--- a/lib/libc/sys/sigreturn.2
+++ b/lib/libc/sys/sigreturn.2
@@ -28,7 +28,7 @@
 .\"     @(#)sigreturn.2	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd June 4, 1993
+.Dd September 6, 2013
 .Dt SIGRETURN 2
 .Os
 .Sh NAME
@@ -46,7 +46,7 @@ The
 system call
 allows users to atomically unmask, switch stacks,
 and return from a signal context.
-The processes signal mask and stack status are
+The thread's signal mask and stack status are
 restored from the context structure pointed to by
 .Fa scp .
 The system call does not return;
@@ -65,7 +65,7 @@ is set to indicate the error.
 The
 .Fn sigreturn
 system call
-will fail and the process context will remain unchanged
+will fail and the thread context will remain unchanged
 if one of the following occurs.
 .Bl -tag -width Er
 .It Bq Er EFAULT
diff --git a/lib/libc/sys/sigwait.2 b/lib/libc/sys/sigwait.2
index 525bffb..4da64a9 100644
--- a/lib/libc/sys/sigwait.2
+++ b/lib/libc/sys/sigwait.2
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 27, 2012
+.Dd September 6, 2013
 .Dt SIGWAIT 2
 .Os
 .Sh NAME
@@ -50,7 +50,7 @@ waits until one or more of the selected signals has been generated.
 Then
 .Fn sigwait
 atomically clears one of the selected signals from the set of pending signals
-for the process and sets the location pointed to by
+(for the process or for the current thread) and sets the location pointed to by
 .Fa sig
 to the signal number that was cleared.
 .Pp
diff --git a/lib/libc/sys/wait.2 b/lib/libc/sys/wait.2
index 0c494bb..cfa78e9 100644
--- a/lib/libc/sys/wait.2
+++ b/lib/libc/sys/wait.2
@@ -28,7 +28,7 @@
 .\"     @(#)wait.2	8.2 (Berkeley) 4/19/94
 .\" $FreeBSD$
 .\"
-.Dd November 10, 2012
+.Dd September 7, 2013
 .Dt WAIT 2
 .Os
 .Sh NAME
@@ -604,9 +604,23 @@ are not specified by POSIX.
 The
 .Fn WCOREDUMP
 macro
-and the ability to restart a pending
-.Fn wait
-call are extensions to the POSIX interface.
+is an extension to the POSIX interface.
+.Pp
+The ability to use the
+.Dv WNOWAIT
+flag with
+.Fn waitpid
+is an extension;
+.Tn POSIX
+only permits this flag with
+.Fn waitid .
+.Pp
+.Tn POSIX
+requires
+.Fn waitid
+to return the full 32 bits passed to
+.Xr _exit 2 ;
+this implementation only returns 8 bits like in the other calls.
 .Sh HISTORY
 The
 .Fn wait