From 0548f56f780c79a811bf5a91188ee081bbe9353a Mon Sep 17 00:00:00 2001
From: Francisco Javier Trujillo Mata <fjtrujy@gmail.com>
Date: Fri, 31 May 2024 19:21:27 +0200
Subject: [PATCH 1/2] Implementing DUP and DUP2

---
 ee/libcglue/Makefile    | 16 +++++++++++++---
 ee/libcglue/src/fdman.c | 16 ++++++++++++++++
 ee/libcglue/src/fdman.h |  1 +
 ee/libcglue/src/glue.c  | 34 ++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 3 deletions(-)

diff --git a/ee/libcglue/Makefile b/ee/libcglue/Makefile
index f078c86fdfb..4814e2e84a5 100644
--- a/ee/libcglue/Makefile
+++ b/ee/libcglue/Makefile
@@ -12,8 +12,16 @@ CORE_OBJS = rtc.o
 
 TIMEZONE_OBJS = _libcglue_timezone_update.o ps2sdk_setTimezone.o ps2sdk_setDaylightSaving.o
 
-FDMAN_OBJS = __fdman_sema.o __descriptor_data_pool.o __descriptormap.o __fdman_init.o __fdman_deinit.o __fdman_get_new_descriptor.o \
-	__fdman_get_dup_descriptor.o __fdman_release_descriptor.o
+FDMAN_OBJS = \
+	__fdman_sema.o \
+	__descriptor_data_pool.o \
+	__descriptormap.o \
+	__fdman_init.o \
+	__fdman_deinit.o \
+	__fdman_get_new_descriptor.o \
+	__fdman_get_dup_descriptor.o \
+	__fdman_get_dup2_descriptor.o \
+	__fdman_release_descriptor.o
 
 INIT_OBJS = __libpthreadglue_init.o __libpthreadglue_deinit.o _libcglue_init.o _libcglue_deinit.o _libcglue_args_parse.o
 
@@ -117,7 +125,9 @@ GLUE_OBJS = \
 	fchownat.o \
 	linkat.o \
 	readlinkat.o \
-	unlinkat.o
+	unlinkat.o \
+	dup.o \
+	dup2.o \
 
 LOCK_OBJS = \
 	__lock___sfp_recursive_mutex.o \
diff --git a/ee/libcglue/src/fdman.c b/ee/libcglue/src/fdman.c
index b9077e8cfe0..7bbf7c1f470 100644
--- a/ee/libcglue/src/fdman.c
+++ b/ee/libcglue/src/fdman.c
@@ -131,6 +131,22 @@ int __fdman_get_dup_descriptor(int fd)
 }
 #endif
 
+#ifdef F___fdman_get_dup_descriptor
+int __fdman_get_dup2_descriptor(int fd, int newfd)
+{	
+	if (!__IS_FD_VALID(fd)) {
+		errno = EBADF;
+		return -1;
+	}
+
+	WaitSema(__fdman_sema); /* lock here to make thread safe */
+	__descriptormap[newfd] = &__descriptor_data_pool[fd];
+	__descriptormap[newfd]->ref_count++;
+	SignalSema(__fdman_sema); /* release lock */
+	
+	return newfd;
+}
+#endif
 
 #ifdef F___fdman_release_descriptor
 void __fdman_release_descriptor(int fd)
diff --git a/ee/libcglue/src/fdman.h b/ee/libcglue/src/fdman.h
index 76f5c85960d..a58a8b44153 100644
--- a/ee/libcglue/src/fdman.h
+++ b/ee/libcglue/src/fdman.h
@@ -32,6 +32,7 @@ void __fdman_init();
 void __fdman_deinit();
 int  __fdman_get_new_descriptor();
 int  __fdman_get_dup_descriptor(int fd);
+int __fdman_get_dup2_descriptor(int fd, int newfd);
 void __fdman_release_descriptor(int fd);
 
 #endif
diff --git a/ee/libcglue/src/glue.c b/ee/libcglue/src/glue.c
index f96b4b98dcd..1e3a073029e 100644
--- a/ee/libcglue/src/glue.c
+++ b/ee/libcglue/src/glue.c
@@ -1191,3 +1191,37 @@ int unlinkat(int dirfd, const char *pathname, int flags)
 	}
 }
 #endif /* F_unlinkat  */
+
+#ifdef F_dup
+int dup(int oldfd)
+{
+	if (!__IS_FD_VALID(oldfd)) {
+		errno = EBADF;
+		return -1;
+	}
+
+	return __fdman_get_dup_descriptor(oldfd);
+}
+#endif /* F_dup  */
+
+#ifdef F_dup2
+int dup2(int oldfd, int newfd)
+{
+	if (!__IS_FD_VALID(oldfd)) {
+		errno = EBADF;
+		return -1;
+	}
+
+	if (oldfd == newfd) {
+		return oldfd;
+	}
+	if (newfd < 0) {
+		errno = EBADF;
+		return -1;
+	}
+	if (__descriptormap[newfd]) {
+		close(newfd);
+	}
+	return __fdman_get_dup2_descriptor(oldfd, newfd);
+}
+#endif /* F_dup2  */
\ No newline at end of file

From ae48c0a99cff4f51d44fd6a34eae47bc57b147b1 Mon Sep 17 00:00:00 2001
From: Francisco Javier Trujillo Mata <fjtrujy@gmail.com>
Date: Fri, 31 May 2024 20:54:40 +0200
Subject: [PATCH 2/2] Adding missing SOMAXCONN

---
 ee/libcglue/include/sys/socket.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ee/libcglue/include/sys/socket.h b/ee/libcglue/include/sys/socket.h
index 2c11177ecc5..6a60adaf1d0 100644
--- a/ee/libcglue/include/sys/socket.h
+++ b/ee/libcglue/include/sys/socket.h
@@ -82,6 +82,13 @@
 #include <tcpip.h>
 #endif
 
+/*
+ * Maximum queue length specifiable by listen(2).
+ */
+#ifndef SOMAXCONN
+#define	SOMAXCONN	128
+#endif
+
 #if 0
 #include <sys/featuretest.h>