Improve exit process

src/libcglue/Makefile.am

@@ -30,7 +30,7 @@ GLUE_OBJS = __fill_stat.o __psp_heap_blockid.o __psp_free_heap.o _fork.o _wait.o
 	_isatty.o symlink.o truncate.o chmod.o fchmod.o fchmodat.o pathconf.o readlink.o utime.o fchown.o getentropy.o
 
 
-INIT_OBJS = __libcglue_init.o
+INIT_OBJS = __libcglue_init.o __libcglue_deinit.o _exit.o abort.o exit.o
 
 MUTEXMAN_OBJS = __malloc_mutex.o __sbrk_mutex.o __fdman_mutex.o __init_mutex.o __deinit_mutex.o
 
@@ -46,8 +46,6 @@ SLEEP_OBJS = nanosleep.o
 SOCKET_OBJS = socket.o __socket_close.o accept.o bind.o connect.o getsockopt.o listen.o recv.o recvfrom.o send.o sendto.o \
 	setsockopt.o shutdown.o getpeername.o getsockname.o inet_ntoa.o sendmsg.o recvmsg.o
 
-TERMINATE_OBJS = _exit.o abort.o exit.o
-
 TIMEZONE_OBJS = __timezone_update.o
 
 lib_LIBRARIES = libcglue.a
@@ -75,11 +73,10 @@ libcglue_a_SOURCES = \
 	select.c \
 	sleep.c \
 	socket.c \
-	terminate.c \
 	timezone.c
 
 libcglue_a_LIBADD  = $(CWD_OBJS) $(ERRNO_OBJS) $(FDMAN_OBJS) $(INIT_OBJS) $(GLUE_OBJS) $(MUTEXMAN_OBJS) $(NETDB_OBJS) $(PIPE_OBJS) \
-	$(SELECT_OBJS) $(SOCKET_OBJS) $(SLEEP_OBJS) $(TERMINATE_OBJS) $(TIMEZONE_OBJS)
+	$(SELECT_OBJS) $(SOCKET_OBJS) $(SLEEP_OBJS) $(TIMEZONE_OBJS)
 
 $(CWD_OBJS): cwd.c
 	$(AM_V_CC)$(COMPILE) -DF_$* $< -c -o $@
@@ -114,8 +111,5 @@ $(SLEEP_OBJS): sleep.c
 $(SOCKET_OBJS): socket.c
 	$(AM_V_CC)$(COMPILE) -DF_$* $< -c -o $@
 
-$(TERMINATE_OBJS): terminate.c
-	$(AM_V_CC)$(COMPILE) -DF_$* $< -c -o $@
-
 $(TIMEZONE_OBJS): timezone.c
 	$(AM_V_CC)$(COMPILE) -DF_$* $< -c -o $@

src/libcglue/init.c

@@ -8,6 +8,7 @@
  * Copyright (c) 2005 Marcus R. Brown <mrbrown@ocgnet.org>
  * Copyright (c) 2005 James Forshaw <tyranid@gmail.com>
  * Copyright (c) 2005 John Kelley <ps2dev@kelley.ca>
+ * Copyright (c) 2021 Francisco Javier Trujillo Mata <fjtrujy@gmail.com>
  *
  */
 
@@ -16,10 +17,16 @@
 #include <string.h>
 #include <sys/param.h>
 
+#include <pspuser.h>
+
 void __init_cwd(char *argv_0);
 void __timezone_update();
 void __fdman_init();
 void __init_mutex();
+void __psp_free_heap();
+void __deinit_mutex();
+
+extern int sce_newlib_nocreate_thread_in_start __attribute__((weak));
 
 #ifdef F___libcglue_init
 /* Note: This function is being called from crt0.c/crt0_prx.c.
@@ -44,4 +51,49 @@ void __libcglue_init(int argc, char *argv[])
 	/* Initialize timezone */
 	__timezone_update();
 }
+#endif
+
+#ifdef F___libcglue_deinit
+/* Note: This function is being called from terminate.c.
+* It is a weak function because can be override by user program
+*/
+__attribute__((weak))
+void __libcglue_deinit()
+{
+    __psp_free_heap();
+	__deinit_mutex();
+}
+#else
+void __libcglue_deinit();
+#endif
+
+#ifdef F__exit
+void _exit(int status)
+{
+	__libcglue_deinit();
+
+	if (&sce_newlib_nocreate_thread_in_start != NULL) {
+		sceKernelSelfStopUnloadModule(1, 0, NULL);
+	} else {
+		sceKernelExitGame();
+	}
+}
+#else
+void _exit(int status);
+#endif
+
+#ifdef F_abort
+__attribute__((weak))
+void abort()
+{
+	_exit(1);
+}
+#endif
+
+#ifdef F_exit
+__attribute__((weak))
+void exit(int retval)
+{
+	_exit(retval);
+}
 #endif

src/libcglue/terminate.c

@@ -1,63 +0,0 @@
-/*
- * PSP Software Development Kit - https://github.com/pspdev
- * -----------------------------------------------------------------------
- * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
- *
- * terminate.c - Process exit functions.
- *
- * Copyright (c) 2005 Marcus R. Brown <mrbrown@ocgnet.org>
- * Copyright (c) 2005 James Forshaw <tyranid@gmail.com>
- * Copyright (c) 2005 John Kelley <ps2dev@kelley.ca>
- *
- */
-#include <stdio.h>
-#include <psptypes.h>
-#include <pspkernel.h>
-
-#ifdef F__exit
-extern int sce_newlib_nocreate_thread_in_start __attribute__((weak));
-
-int __psp_free_heap(void);
-void __deinit_mutex(void);
-
-void _exit(int status)
-{
-	if (&sce_newlib_nocreate_thread_in_start != NULL) {
-		/* Free the heap created by _sbrk(). */
-		__psp_free_heap();
-		__deinit_mutex();
-
-		sceKernelSelfStopUnloadModule(1, 0, NULL);
-	} else {
-		if (status == 0) {
-			/* Free the heap created by _sbrk(). */
-			__psp_free_heap();
-			__deinit_mutex();
-		}
-
-		sceKernelExitThread(status);
-	}
-
-	while (1) ;
-}
-#else
-void _exit(int status);
-#endif
-
-#ifdef F_abort
-__attribute__((weak))
-void abort()
-{
-	while (1)
-		_exit(1);
-}
-#endif
-
-#ifdef F_exit
-__attribute__((weak))
-void exit(int retval)
-{
-	while (1)
-		_exit(retval);
-}
-#endif

src/user/pspmoduleinfo.h

@@ -146,6 +146,7 @@ enum PspModuleInfoAttr
 
 /* Disable the use of newlib, getting a minimal binary. */
 #define PSP_DISABLE_NEWLIB() \
-	void __libcglue_init(int argc, char *argv[]) {}
+	void __libcglue_init(int argc, char *argv[]) {} \
+	void __libcglue_deinit() {}
 
 #endif /* PSPMODULEINFO_H */