add portability bits for OS X

bsd-compat/bsd-compat.h

@@ -21,4 +21,16 @@ size_t strlcpy(char *, const char *, size_t);
 long long strtonum(const char *, long long, long long, const char **);
 #endif
 
+#ifndef HAVE_SOCK_CLOEXEC
+#define strtonum _sndio_strtonum
+long long strtonum(const char *, long long, long long, const char **);
+#endif
+
+#ifndef HAVE_CLOCK_GETTIME
+#define CLOCK_MONOTONIC	0
+#define clock_gettime _sndio_clock_gettime
+struct timespec;
+int clock_gettime(int, struct timespec *);
+#endif
+
 #endif /* !defined(BSD_COMPAT_H) */

bsd-compat/clock_gettime.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2017 Alexandre Ratchov <alex@coua.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <sys/time.h>
+#include <errno.h>
+#include "bsd-compat.h"
+
+#ifndef HAVE_CLOCK_GETTIME
+
+int
+_sndio_clock_gettime(int timer, struct timespec *ts)
+{
+	struct timeval tv;
+
+	if (timer != CLOCK_MONOTONIC) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (gettimeofday(&tv, NULL) < 0)
+		return -1;
+
+	ts->tv_sec = tv.tv_sec;
+	ts->tv_nsec = tv.tv_usec * 1000;
+	return 0;
+}
+#endif

configure

@@ -57,33 +57,37 @@ case `uname` in
 		alsa=yes
 		ldadd="-lrt"
 		user=sndiod
-		so="$so libsndio.so"
-		defs='-D_GNU_SOURCE -DDEV_RANDOM=\\"/dev/urandom\\"'
+		so_link="libsndio.so"
+		defs='-D_GNU_SOURCE -DDEV_RANDOM=\\"/dev/urandom\\" \\\
+		-DHAVE_SOCK_CLOEXEC'
 		;;
 	NetBSD)
 		sun=no
 		rmidi=yes
 		user=_sndio
-		so="$so libsndio.so"
+		so_link="libsndio.so"
 		defs='-DHAVE_ARC4RANDOM -DHAVE_ISSETUGID \\\
-		-DHAVE_STRLCAT -DHAVE_STRLCPY'
+		-DHAVE_STRLCAT -DHAVE_STRLCPY -DHAVE_SOCK_CLOEXEC'
 		;;
 	OpenBSD)
 		sun=yes
 		rmidi=yes
 		user=_sndio
 		defs='-DHAVE_ARC4RANDOM -DHAVE_ISSETUGID \\\
-		-DHAVE_STRLCAT -DHAVE_STRLCPY -DHAVE_STRTONUM'
+		-DHAVE_STRLCAT -DHAVE_STRLCPY -DHAVE_STRTONUM -DHAVE_SOCK_CLOEXEC'
 		;;
 	DragonFly|FreeBSD)
 		umidi=yes
 		user=_sndio
-		so="$so libsndio.so"
+		so_link="libsndio.so"
 		defs='-DHAVE_ARC4RANDOM -DHAVE_ISSETUGID \\\
-		-DHAVE_STRLCAT -DHAVE_STRLCPY -DHAVE_STRTONUM'
-		oss=yes
-		mandir=${prefix}/man
+		-DHAVE_STRLCAT -DHAVE_STRLCPY -DHAVE_STRTONUM -DHAVE_SOCK_CLOEXEC'
 		;;
+	Darwin)
+		rmidi=no
+		so="libsndio.\${MAJ}.\${MIN}.dylib"
+		defs='-DHAVE_ARC4RANDOM -DHAVE_ISSETUGID \\\
+		-DHAVE_STRLCAT -DHAVE_STRLCPY'
 esac
 
 # shell word separator (none)
@@ -244,6 +248,7 @@ do
 	-e "s:@defs@:$defs:" \
 	-e "s:@ldadd@:$ldadd:" \
 	-e "s:@so@:$so:" \
+	-e "s:@so_link@:$so_link:" \
 	-e "s:@vars@:${vars}:" \
 	-e "s:@precision@:$precision:" \
 	-e "s:@user@:$user:" \

libsndio/Makefile.in

@@ -14,7 +14,7 @@ LDADD = @ldadd@
 SO_CFLAGS = -fPIC
 
 # extra compiler flags to produce a shared library with the given name
-SO_LDFLAGS = -shared -Wl,-soname=libsndio.so.${MAJ}.${MIN}
+SO_LDFLAGS = -shared #-Wl,-soname=libsndio.so.${MAJ}.${MIN}
 
 # variables defined on configure script command line (if any)
 @vars@
@@ -45,6 +45,7 @@ MAN7 = sndio.7
 MAJ = 6
 MIN = 1
 SO = @so@
+SO_LINK = @so_link@
 
 all:		${SO}
 
@@ -54,7 +55,7 @@ install:
 		mkdir -p ${DESTDIR}${MAN3_DIR}
 		mkdir -p ${DESTDIR}${MAN7_DIR}
 		cp sndio.h ${DESTDIR}${INCLUDE_DIR}
-		cp -R ${SO} ${DESTDIR}${LIB_DIR}
+		cp -R ${SO} ${SO_LINK} ${DESTDIR}${LIB_DIR}
 		cp sio_open.3 ${DESTDIR}${MAN3_DIR}
 		ln -sf sio_open.3 ${DESTDIR}${MAN3_DIR}/sio_close.3
 		ln -sf sio_open.3 ${DESTDIR}${MAN3_DIR}/sio_setpar.3
@@ -84,7 +85,7 @@ install:
 
 uninstall:
 		rm -f ${DESTDIR}${INCLUDE_DIR}/sndio.h
-		cd ${DESTDIR}${LIB_DIR} && rm -f ${SO}
+		cd ${DESTDIR}${LIB_DIR} && rm -f ${SO} ${SO_LINK}
 		cd ${DESTDIR}${MAN3_DIR} && rm -f ${MAN3}
 		cd ${DESTDIR}${MAN7_DIR} && rm -f ${MAN7}
 
@@ -100,16 +101,16 @@ clean:
 OBJS = debug.o aucat.o \
 mio.o mio_rmidi.o mio_alsa.o mio_aucat.o \
 sio.o sio_alsa.o sio_aucat.o sio_oss.o sio_sun.o \
-issetugid.o strlcat.o strlcpy.o strtonum.o
+issetugid.o strlcat.o strlcpy.o strtonum.o clock_gettime.o
 
 .c.o:
 		${CC} ${CFLAGS} ${SO_CFLAGS} -I. ${INCLUDE} ${DEFS} -o $@ -c $<
 
-libsndio.so.${MAJ}.${MIN}:	${OBJS}
-		${CC} ${LDFLAGS} ${SO_CFLAGS} ${SO_LDFLAGS} -o libsndio.so.${MAJ}.${MIN} ${OBJS} ${LDADD}
+${SO}:		${OBJS}
+		${CC} ${LDFLAGS} ${SO_CFLAGS} ${SO_LDFLAGS} -o ${SO} ${OBJS} ${LDADD}
 
-libsndio.so:
-		ln -sf libsndio.so.${MAJ}.${MIN} libsndio.so
+${SO_LINK}:
+		ln -sf ${SO} ${SO_LINK}
 
 issetugid.o:	../bsd-compat/issetugid.c
 		${CC} ${CFLAGS} ${SO_CFLAGS} ${INCLUDE} ${DEFS} -c -o issetugid.o ../bsd-compat/issetugid.c
@@ -123,6 +124,9 @@ strlcpy.o:	../bsd-compat/strlcpy.c
 strtonum.o:	../bsd-compat/strtonum.c
 		${CC} ${CFLAGS} ${SO_CFLAGS} ${INCLUDE} ${DEFS} -c -o strtonum.o ../bsd-compat/strtonum.c
 
+clock_gettime.o:	../bsd-compat/clock_gettime.c
+		${CC} ${CFLAGS} ${SO_CFLAGS} ${INCLUDE} ${DEFS} -c -o clock_gettime.o ../bsd-compat/clock_gettime.c
+
 aucat.o:	aucat.c aucat.h amsg.h debug.h \
 		../bsd-compat/bsd-compat.h
 debug.o:	debug.c debug.h ../bsd-compat/bsd-compat.h

libsndio/aucat.c

@@ -342,6 +342,25 @@ done:
 	return 1;
 }
 
+static int
+socket_cloexec(int f, int t, int p)
+{
+#ifdef SOCK_CLOEXEC
+	return socket(f, t | SOCK_CLOEXEC, p);
+#else
+	int s;
+
+	s = socket(f, t, p);
+	if (s < 0)
+		return -1;
+	if (fcntl(s, F_SETFL, FD_CLOEXEC) < 0) {
+		close(s);
+		return -1;
+	}
+	return s;
+#endif
+}
+
 static int
 aucat_connect_tcp(struct aucat *hdl, char *host, unsigned int unit)
 {
@@ -360,7 +379,7 @@ aucat_connect_tcp(struct aucat *hdl, char *host, unsigned int unit)
 	}
 	s = -1;
 	for (ai = ailist; ai != NULL; ai = ai->ai_next) {
-		s = socket(ai->ai_family, ai->ai_socktype | SOCK_CLOEXEC,
+		s = socket_cloexec(ai->ai_family, ai->ai_socktype,
 		    ai->ai_protocol);
 		if (s < 0) {
 			DPERROR("socket");
@@ -402,7 +421,7 @@ aucat_connect_un(struct aucat *hdl, unsigned int unit)
 	snprintf(ca.sun_path, sizeof(ca.sun_path),
 	    SOCKPATH_DIR "-%u/" SOCKPATH_FILE "%u", uid, unit);
 	ca.sun_family = AF_UNIX;
-	s = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
+	s = socket_cloexec(AF_UNIX, SOCK_STREAM, 0);
 	if (s < 0)
 		return 0;
 	while (connect(s, (struct sockaddr *)&ca, len) < 0) {

sndiod/file.c

@@ -53,6 +53,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
+#include "bsd-compat.h"
 
 #include "file.h"
 #include "utils.h"