Replace direct use of usleep()

Makefile.os2

@@ -32,14 +32,14 @@ CFLAGS+= -5s
 AOUT=xmp.exe
 COMPILE=$(CC) $(CFLAGS) $(CPPFLAGS) $(INCLUDES)
 
-OBJ = commands.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj sound_dart.obj terminal.obj usleep.obj
+OBJ = commands.obj delay.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj sound_dart.obj terminal.obj
 
 all: $(AOUT)
 
 $(AOUT): $(OBJ)
 	wlink N $(AOUT) SYS OS2V2 OP QUIET LIBR {$(LIBS)} F {$(OBJ)}
 
-.c: src;src/watcom
+.c: src
 .c.obj:
 	$(COMPILE) -fo=$^@ $<
 

Makefile.w32

@@ -32,14 +32,14 @@ CFLAGS+= -5s
 AOUT=xmp.exe
 COMPILE=$(CC) $(CFLAGS) $(CPPFLAGS) $(INCLUDES)
 
-OBJ = commands.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj sound_win32.obj terminal.obj usleep.obj
+OBJ = commands.obj delay.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj sound_win32.obj terminal.obj
 
 all: $(AOUT)
 
 $(AOUT): $(OBJ)
 	wlink N $(AOUT) SYS NT OP QUIET LIBR {$(LIBS)} F {$(OBJ)}
 
-.c: src;src/win32
+.c: src
 .c.obj:
 	$(COMPILE) -fo=$^@ $<
 

configure.ac

@@ -96,7 +96,7 @@ AC_DEFUN([AC_CHECK_DEFINED],[
   AS_VAR_POPDEF([ac_var])dnl
 ])
 
-AC_CHECK_HEADERS([getopt.h signal.h sys/time.h sys/audioio.h])
+AC_CHECK_HEADERS([getopt.h signal.h sys/select.h sys/time.h sys/audioio.h])
 case $host_os in
 dnl don't check half-baked termios for amiga or dos targets.
   amigaos*|aros*|morphos*|*djgpp) ;;
@@ -265,6 +265,6 @@ XMP_TRY_COMPILE(whether compiler understands -Wunused-result,
   int main(){}],
   CFLAGS="${CFLAGS} -Wno-unused-result")  
 
-AC_CHECK_FUNCS(kill getopt_long)
+AC_CHECK_FUNCS(kill getopt_long usleep select)
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT

src/Makefile.am

@@ -7,8 +7,8 @@ AM_CFLAGS   = -Wall
 bin_PROGRAMS = xmp
 
 xmp_SOURCES = \
-	commands.c common.h getopt_long.h list.h getopt_long.c info.c main.c \
+	commands.c common.h delay.c getopt_long.h list.h getopt_long.c info.c \
-	options.c read_config.c sound.c sound.h sound_file.c sound_null.c \
+	main.c options.c read_config.c sound.c sound.h sound_file.c sound_null.c \
 	sound_wav.c sound_aiff.c terminal.c
 xmp_LDADD   = ${LIBXMP_LIBS}
 xmp_LDFLAGS = ${XMP_DARWIN_LDFLAGS}
@@ -96,5 +96,4 @@ pkgsysconfdir   = ${sysconfdir}/${PACKAGE_NAME}
 pkgsysconf_DATA = modules.conf xmp.conf
 
 EXTRA_DIST = ${man_MANS} ${pkgsysconf_DATA} \
-	win32/usleep.c win32/unistd.h \
+	win32/unistd.h watcom/unistd.h
-	watcom/usleep.c watcom/unistd.h

src/common.h

@@ -77,6 +77,8 @@ extern struct player_mode pmode[];
 
 int report(char *, ...);
 
+void delay_ms(int msec);
+
 /* option */
 void get_options(int, char **, struct options *);
 int read_config(struct options *);

src/delay.c

@@ -0,0 +1,61 @@
+/* Extended Module Player
+ * Copyright (C) 1996-2016 Claudio Matsuoka and Hipolito Carraro Jr
+ *
+ * This file is part of the Extended Module Player and is distributed
+ * under the terms of the GNU General Public License. See the COPYING
+ * file for more information.
+ */
+
+#if defined(_WIN32)
+#include <windows.h>
+
+void delay_ms(int msec) {
+	Sleep(msec);
+}
+
+#elif defined(__OS2__)
+#define INCL_DOSPROCESS
+#include <os2.h>
+
+void delay_ms(int msec) {
+	DosSleep(msec);
+}
+
+#elif defined(_DOS)
+#include <dos.h>
+
+void delay_ms(int msec) {
+	delay(msec); /* doesn't seem to use int 15h. */
+}
+
+#elif defined(HAVE_USLEEP)
+#include <unistd.h>
+
+void delay_ms(int msec) {
+	usleep(msec * 1000);
+}
+
+#elif defined(HAVE_SELECT)
+
+#ifdef HAVE_SYS_SELECT_H
+#  include <sys/select.h>
+#else
+#  include <sys/time.h>
+#  include <sys/types.h>
+#  include <unistd.h>
+#endif
+#include <stddef.h>
+
+void delay_ms(int msec) {
+	struct timeval tv;
+	long usec;
+
+	usec = msec * 1000;
+	tv.tv_sec = usec / 1000000;
+	tv.tv_usec = usec % 1000000;
+	select(0, NULL, NULL, NULL, &tv);
+}
+
+#else
+#error Missing implementation of delay_ms()
+#endif

src/main.c

@@ -158,7 +158,7 @@ static void check_pause(xmp_context xc, struct control *ctl,
 			info_frame(mi, fi, ctl, 1);
 		}
 		while (ctl->pause) {
-			usleep(100000);
+			delay_ms(100);
 			read_command(xc, mi, ctl);
 			if (ctl->display) {
 				if (verbose) {

src/sound_coreaudio.c

@@ -10,7 +10,6 @@
 #include <AudioUnit/AudioUnit.h>
 #include <AudioToolbox/AudioToolbox.h>
 #include <CoreServices/CoreServices.h>
-#include <unistd.h>
 #include "sound.h"
 
 static AudioUnit au;
@@ -230,7 +229,7 @@ static void play(void *b, int i)
 
 	/* block until we have enough free space in the buffer */
 	while (buf_free() < i)
-		usleep(100000);
+		delay_ms(100);
 
 	while (i) {
         	if ((j = write_buffer(b, i)) > 0) {

src/watcom/unistd.h

@@ -3,6 +3,4 @@
 
 #include <io.h>  /* do not want Watcom unistd.h */
 
-void usleep (unsigned long usec);
-
 #endif

src/watcom/usleep.c

@@ -1,14 +0,0 @@
-#ifdef __OS2__
-#define INCL_DOSPROCESS
-#include <os2.h>
-void usleep (unsigned long usec) {
-	DosSleep (usec / 1000);
-}
-#endif
-
-#ifdef _DOS
-#include <dos.h>
-void usleep (unsigned long usec) {
-	delay (usec / 1000); /* doesn't seem to use int 15h. */
-}
-#endif

src/win32/unistd.h

@@ -3,6 +3,4 @@
 
 #include <io.h>
 
-void usleep(long usec);
-
 #endif

src/win32/usleep.c

@@ -1,48 +0,0 @@
-#ifndef HAVE_USLEEP
-
-#ifdef HAVE_SELECT
-
-#ifdef HAVE_SYS_SELECT_H
-#  include <sys/select.h>
-#else
-#  include <sys/time.h>
-#  include <sys/types.h>
-#  include <unistd.h>
-#endif
-
-void usleep(long usec)
-{
-        struct timeval tv;
-
-        tv.tv_sec = usec / 1000000;
-        tv.tv_usec = usec % 1000000;
-        select(0, NULL, NULL, NULL, &tv);
-}
-
-#elif defined(_WIN32)
-
-/* usleep implementation from FreeSCI */
-
-#include <windows.h>
-
-void usleep (long usec)
-{
-        LARGE_INTEGER lFrequency;
-	LARGE_INTEGER lEndTime;
-	LARGE_INTEGER lCurTime;
-
-        QueryPerformanceFrequency (&lFrequency);
-        if (lFrequency.QuadPart) {
-                QueryPerformanceCounter (&lEndTime);
-                lEndTime.QuadPart += (LONGLONG) usec *
-					lFrequency.QuadPart / 1000000;
-                do {
-                        QueryPerformanceCounter (&lCurTime);
-                        Sleep(0);
-                } while (lCurTime.QuadPart < lEndTime.QuadPart);
-        }
-}
-
-#endif
-
-#endif /* !HAVE_USLEEP */

vc/xmp.vcproj

@@ -115,6 +115,10 @@
 				RelativePath="..\src\commands.c"
 				>
 			</File>
+			<File
+				RelativePath="..\src\delay.c"
+				>
+			</File>
 			<File
 				RelativePath="..\src\getopt_long.c"
 				>
@@ -159,10 +163,6 @@
 				RelativePath="..\src\terminal.c"
 				>
 			</File>
-			<File
-				RelativePath="..\src\win32\usleep.c"
-				>
-			</File>
 		</Filter>
 	</Files>
 	<Globals>