Commit: 5606e4d6f92c10af214b54a01db79cf561067e58 - uclibc-ng (git)

Commit MetaInfo

• Revision: 5606e4d6f92c10af214b54a01db79cf561067e58 (tree)
• Time: 2000-10-24 08:23:54
• Author: Eric Andersen <andersen@code...>
• Commiter: Eric Andersen

Log Message

More reorg. A place for everything and everything in its place...

Change Summary

• modified: include/sys/socket.h
• modified: libc/inet/Makefile
• add: libc/inet/socketcalls.c
• modified: libc/misc/time/Makefile
• add: libc/misc/time/adjtime.c
• add: libc/misc/time/utimes.c
• modified: libc/signal/Makefile
• add: libc/signal/bsd_sig.c
• add: libc/signal/sigblock.c
• add: libc/signal/siggtmsk.c
• add: libc/signal/sigjmp.c
• add: libc/signal/signal.c
• add: libc/signal/sigpause.c
• add: libc/signal/sigstmsk.c
• modified: libc/string/Makefile
• modified: libc/string/strsignal.c
• add: libc/string/sys_errlist.c
• modified: libc/sysdeps/linux/common/setegid.c
• delete: libc/sysdeps/linux/common/waitpid.c

Incremental Difference

--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -117,8 +117,6 @@ extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
    For connectionless socket types, just set the default address to send to
    and the only address from which to accept transmissions.
    Return 0 on success, -1 for errors.  */
-extern int __connect __P ((int __fd,
-			   __CONST_SOCKADDR_ARG __addr, socklen_t __len));
 extern int connect __P ((int __fd,
 			 __CONST_SOCKADDR_ARG __addr, socklen_t __len));
 
@@ -129,8 +127,6 @@ extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
 
 
 /* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
-extern int __send __P ((int __fd, __const __ptr_t __buf, size_t __n,
-			int __flags));
 extern int send __P ((int __fd, __const __ptr_t __buf, size_t __n,
 		      int __flags));
 

--- a/libc/inet/Makefile
+++ b/libc/inet/Makefile
@@ -35,7 +35,12 @@ MOBJ2=encodeh.o decodeh.o encoded.o decoded.o lengthd.o encodeq.o \
 	formquery.o dnslookup.o resolveaddress.o resolvemailbox.o \
 	opennameservers.o closenameservers.o resolvename.o gethostbyname.o\
 	gethostbyaddr.o
-OBJS=$(MOBJ) $(MOBJ2)
+
+MSRC3=socketcalls.c
+MOBJ3= accept.o bind.o connect.o getpeername.o getsockname.o getsockopt.o \
+	listen.o recv.o recvfrom.o recvmsg.o send.o sendmsg.o sendto.o \
+	setsockopt.o shutdown.o socket.o socketpair.o 
+OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3)
 
 
 all: $(OBJS) $(LIBC)
@@ -53,6 +58,10 @@ $(MOBJ2): $(MSRC2)
 	$(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
 	$(STRIPTOOL) -x -R .note -R .comment $*.o
 
+$(MOBJ3): $(MSRC2)
+	$(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
 $(OBJS): Makefile
 
 clean: subdirs_clean

--- /dev/null
+++ b/libc/inet/socketcalls.c
@@ -0,0 +1,232 @@
+#include <errno.h>
+#include <syscall.h>
+#include <sys/socket.h>
+#include <sys/socketcall.h>
+
+extern int socketcall(int call, unsigned long *args);
+
+#ifdef L_accept
+int accept(int s, struct sockaddr *addr, socklen_t * addrlen)
+{
+	unsigned long args[3];
+
+	args[0] = s;
+	args[1] = (unsigned long) addr;
+	args[2] = (unsigned long) addrlen;
+	return socketcall(SYS_ACCEPT, args);
+}
+#endif
+
+#ifdef L_bind
+int bind(int sockfd, const struct sockaddr *myaddr, socklen_t addrlen)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) myaddr;
+	args[2] = addrlen;
+	return socketcall(SYS_BIND, args);
+}
+#endif
+
+#ifdef L_connect
+int connect(int sockfd, const struct sockaddr *saddr, socklen_t addrlen)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) saddr;
+	args[2] = addrlen;
+	return socketcall(SYS_CONNECT, args);
+}
+#endif
+
+#ifdef L_getpeername
+int getpeername(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) addr;
+	args[2] = (unsigned long) paddrlen;
+	return socketcall(SYS_GETPEERNAME, args);
+}
+#endif
+
+#ifdef L_getsockname
+int getsockname(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) addr;
+	args[2] = (unsigned long) paddrlen;
+	return socketcall(SYS_GETSOCKNAME, args);
+}
+#endif
+
+#ifdef L_getsockopt
+int getsockopt(int fd, int level, int optname, __ptr_t optval,
+		   socklen_t * optlen)
+{
+	unsigned long args[5];
+
+	args[0] = fd;
+	args[1] = level;
+	args[2] = optname;
+	args[3] = (unsigned long) optval;
+	args[4] = (unsigned long) optlen;
+	return (socketcall(SYS_GETSOCKOPT, args));
+}
+#endif
+
+#ifdef L_listen
+int listen(int sockfd, unsigned int backlog)
+{
+	unsigned long args[2];
+
+	args[0] = sockfd;
+	args[1] = backlog;
+	return socketcall(SYS_LISTEN, args);
+}
+#endif
+
+#ifdef L_recv
+/* recv, recvfrom added by [e-mail] */
+int recv(int sockfd, __ptr_t buffer, size_t len, int flags)
+{
+	unsigned long args[4];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) buffer;
+	args[2] = len;
+	args[3] = flags;
+	return (socketcall(SYS_RECV, args));
+}
+#endif
+
+#ifdef L_recvfrom
+/* recv, recvfrom added by [e-mail] */
+int recvfrom(int sockfd, __ptr_t buffer, size_t len, int flags,
+		 struct sockaddr *to, socklen_t * tolen)
+{
+	unsigned long args[6];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) buffer;
+	args[2] = len;
+	args[3] = flags;
+	args[4] = (unsigned long) to;
+	args[5] = (unsigned long) tolen;
+	return (socketcall(SYS_RECVFROM, args));
+}
+#endif
+
+#ifdef L_recvmsg
+int recvmsg(int sockfd, struct msghdr *msg, int flags)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) msg;
+	args[2] = flags;
+	return (socketcall(SYS_RECVMSG, args));
+}
+#endif
+
+#ifdef L_send
+/* send, sendto added by [e-mail] */
+int send(int sockfd, const void *buffer, size_t len, int flags)
+{
+	unsigned long args[4];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) buffer;
+	args[2] = len;
+	args[3] = flags;
+	return (socketcall(SYS_SEND, args));
+}
+#endif
+
+#ifdef L_sendmsg
+int sendmsg(int sockfd, const struct msghdr *msg, int flags)
+{
+	unsigned long args[3];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) msg;
+	args[2] = flags;
+	return (socketcall(SYS_SENDMSG, args));
+}
+#endif
+
+#ifdef L_sendto
+/* send, sendto added by [e-mail] */
+int sendto(int sockfd, const void *buffer, size_t len, int flags,
+	   const struct sockaddr *to, socklen_t tolen)
+{
+	unsigned long args[6];
+
+	args[0] = sockfd;
+	args[1] = (unsigned long) buffer;
+	args[2] = len;
+	args[3] = flags;
+	args[4] = (unsigned long) to;
+	args[5] = tolen;
+	return (socketcall(SYS_SENDTO, args));
+}
+#endif
+
+#ifdef L_setsockopt
+/* [sg]etsockoptions by [e-mail] */
+int setsockopt(int fd, int level, int optname, const void *optval,
+		   socklen_t optlen)
+{
+	unsigned long args[5];
+
+	args[0] = fd;
+	args[1] = level;
+	args[2] = optname;
+	args[3] = (unsigned long) optval;
+	args[4] = optlen;
+	return (socketcall(SYS_SETSOCKOPT, args));
+}
+#endif
+
+#ifdef L_shutdown
+/* shutdown by [e-mail] */
+int shutdown(int sockfd, int how)
+{
+	unsigned long args[2];
+
+	args[0] = sockfd;
+	args[1] = how;
+	return (socketcall(SYS_SHUTDOWN, args));
+}
+#endif
+
+#ifdef L_socket
+int socket(int family, int type, int protocol)
+{
+	unsigned long args[3];
+
+	args[0] = family;
+	args[1] = type;
+	args[2] = (unsigned long) protocol;
+	return socketcall(SYS_SOCKET, args);
+}
+#endif
+
+#ifdef L_socketpair
+int socketpair(int family, int type, int protocol, int sockvec[2])
+{
+	unsigned long args[4];
+
+	args[0] = family;
+	args[1] = type;
+	args[2] = protocol;
+	args[3] = (unsigned long) sockvec;
+	return socketcall(SYS_SOCKETPAIR, args);
+}
+#endif
+

--- a/libc/misc/time/Makefile
+++ b/libc/misc/time/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)Rules.mak
 LIBC=$(TOPDIR)libc.a
 
 CSRC=localtime.c gmtime.c asctime.c ctime.c asc_conv.c tm_conv.c mktime.c \
-	localtime_r.c gmtime_r.c asctime_r.c ctime_r.c
+	localtime_r.c gmtime_r.c asctime_r.c ctime_r.c utimes.c adjtime.c
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(COBJS)
 

--- /dev/null
+++ b/libc/misc/time/adjtime.c
@@ -0,0 +1,51 @@
+#include <limits.h>
+#include <sys/time.h>
+#include <sys/timex.h>
+#include <errno.h>
+
+#define MAX_SEC	(LONG_MAX / 1000000L - 2)
+#define MIN_SEC	(LONG_MIN / 1000000L + 2)
+
+#ifndef MOD_OFFSET
+#define modes mode
+#endif
+
+int
+adjtime(const struct timeval * itv, struct timeval * otv)
+{
+  struct timex tntx;
+
+  if (itv)
+  {
+    struct timeval tmp;
+
+    /* We will do some check here. */
+    tmp.tv_sec = itv->tv_sec + itv->tv_usec / 1000000L;
+    tmp.tv_usec = itv->tv_usec % 1000000L;
+    if (tmp.tv_sec > MAX_SEC || tmp.tv_sec < MIN_SEC)
+    {
+	errno = EINVAL;
+	return -1;
+    }
+    tntx.offset = tmp.tv_usec + tmp.tv_sec * 1000000L;
+    tntx.modes = ADJ_OFFSET_SINGLESHOT;
+  }
+  else
+  {
+    tntx.modes = 0;
+  }
+  if (adjtimex(&tntx) < 0) return -1;
+  if (otv) {
+    if (tntx.offset < 0)
+      {
+	otv->tv_usec = -(-tntx.offset % 1000000);
+	otv->tv_sec  = -(-tntx.offset / 1000000);
+      }
+    else
+      {
+	otv->tv_usec = tntx.offset % 1000000;
+	otv->tv_sec  = tntx.offset / 1000000;
+      }
+  }
+  return 0;
+}

--- /dev/null
+++ b/libc/misc/time/utimes.c
@@ -0,0 +1,16 @@
+#include <utime.h>
+#include <sys/time.h>
+
+int utimes(const char *path, struct timeval tvp[2])
+{
+	struct utimbuf buf, *times;
+
+	if (tvp) {
+		times = &buf;
+		times->actime = tvp[0].tv_sec;
+		times->modtime = tvp[1].tv_sec;
+	}
+	else
+		times = NULL;
+	return utime(path, times);
+}

--- a/libc/signal/Makefile
+++ b/libc/signal/Makefile
@@ -24,7 +24,8 @@ TOPDIR=../
 include $(TOPDIR)Rules.mak
 LIBC=$(TOPDIR)libc.a
 
-CSRC=raise.c
+CSRC=bsd_sig.c raise.c sigblock.c siggtmsk.c sigjmp.c signal.c sigpause.c sigstmsk.c
+
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(COBJS)
 

--- /dev/null
+++ b/libc/signal/bsd_sig.c
@@ -0,0 +1,34 @@
+#define __USE_BSD_SIGNAL
+
+#include <signal.h>
+
+#undef signal
+
+/* The `sig' bit is set if the interrupt on it
+ * is enabled via siginterrupt (). */
+extern sigset_t _sigintr;
+
+__sighandler_t
+__bsd_signal (int sig, __sighandler_t handler)
+{
+  int ret;
+  struct sigaction action, oaction;
+  action.sa_handler = handler;
+  __sigemptyset (&action.sa_mask);
+  if (!__sigismember (&_sigintr, sig)) {
+#ifdef SA_RESTART
+    action.sa_flags = SA_RESTART;
+#else
+    action.sa_flags = 0;
+#endif
+  }
+  else {
+#ifdef SA_INTERRUPT
+    action.sa_flags = SA_INTERRUPT;
+#else
+    action.sa_flags = 0;
+#endif
+  }
+  ret = __sigaction (sig, &action, &oaction); 
+  return (ret == -1) ? SIG_ERR : oaction.sa_handler;
+}

--- /dev/null
+++ b/libc/signal/sigblock.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#define __USE_BSD
+#include <signal.h>
+
+/* Block signals in MASK, returning the old mask.  */
+int sigblock (int mask)
+{
+  register int sig;
+  sigset_t set, oset;
+
+  if (sigemptyset(&set) < 0)
+    return -1;
+  
+  for (sig = 1; sig < NSIG; ++sig)
+    if ((mask & sigmask(sig)) && sigaddset(&set, sig) < 0)
+      return -1;
+
+  if (sigprocmask(SIG_BLOCK, &set, &oset) < 0)
+    return -1;
+
+  mask = 0;
+  for (sig = 1; sig < NSIG; ++sig)
+    if (sigismember(&oset, sig))
+      mask |= sigmask(sig);
+
+  return mask;
+}

--- /dev/null
+++ b/libc/signal/siggtmsk.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#define __USE_BSD
+#include <signal.h>
+
+/* Get the mask of blocked signals.  */
+int siggetmask()
+{
+  sigset_t oset;
+  register int sig;
+  int mask;
+
+  if (sigprocmask(SIG_SETMASK, 0, &oset) < 0)
+    return -1;
+
+  mask = 0;
+  for (sig = 1; sig < NSIG; ++sig)
+    if (sigismember(&oset, sig) == 1)
+      mask |= sigmask(sig);
+
+  return mask;
+}

--- /dev/null
+++ b/libc/signal/sigjmp.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+/* This function is called by the `sigsetjmp' macro
+   before doing a `__setjmp' on ENV[0].__jmpbuf.
+   Always return zero.  */
+
+int
+__sigjmp_save (sigjmp_buf env, int savemask)
+{
+  env[0].__mask_was_saved = (savemask &&
+			     sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
+					    &env[0].__saved_mask) == 0);
+
+  return 0;
+}

--- /dev/null
+++ b/libc/signal/signal.c
@@ -0,0 +1,20 @@
+#include <string.h>
+#include <signal.h>
+
+__sighandler_t
+__signal (int sig, __sighandler_t handler, int flags)
+{
+  int ret;
+  struct sigaction action, oaction;
+  memset(&action, 0, sizeof(struct sigaction));
+  action.sa_handler = handler;
+  action.sa_flags = flags;
+  ret = sigaction (sig, &action, &oaction); 
+  return (ret == -1) ? SIG_ERR : oaction.sa_handler;
+}
+
+__sighandler_t
+signal (int sig, __sighandler_t handler)
+{
+  return __signal(sig, handler, (SA_ONESHOT | SA_NOMASK | SA_INTERRUPT) & ~SA_RESTART);
+}

--- /dev/null
+++ b/libc/signal/sigpause.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#include <signal.h>
+
+#undef sigpause
+
+/* Set the mask of blocked signals to MASK,
+   wait for a signal to arrive, and then restore the mask.  */
+int sigpause(int mask)
+{
+  sigset_t set;
+  int sig;
+
+  sigemptyset(&set);
+  for (sig = 1; sig < NSIG; ++sig)
+    if (mask & sigmask(sig))
+      sigaddset(&set, sig);
+
+  return sigsuspend (&set);
+}

--- /dev/null
+++ b/libc/signal/sigstmsk.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#define __USE_BSD
+#include <signal.h>
+
+/* Set the mask of blocked signals to MASK, returning the old mask.  */
+int sigsetmask (int mask)
+{
+  register int sig;
+  sigset_t set, oset;
+
+  if (sigemptyset(&set) < 0)
+    return -1;
+  
+  for (sig = 1; sig < NSIG; ++sig)
+    if ((mask & sigmask(sig)) &&
+      sigaddset(&set, sig) < 0)
+      return -1;
+
+  if (sigprocmask(SIG_SETMASK, &set, &oset) < 0)
+    return -1;
+
+  mask = 0;
+  for (sig = 1; sig < NSIG; ++sig)
+    if (sigismember(&oset, sig) == 1)
+      mask |= sigmask(sig);
+
+  return mask;
+}

--- a/libc/string/Makefile
+++ b/libc/string/Makefile
@@ -34,7 +34,7 @@ MOBJ1=index.o rindex.o
 
 CSRC=strpbrk.c strsep.c strstr.c strtok.c strcspn.c config.c strspn.c \
 	strcasecmp.c strncasecmp.c strerror.c bcopy.c bzero.c bcmp.c \
-	strsignal.c
+	strsignal.c sys_errlist.c
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(MOBJ) $(MOBJ1) $(COBJS)
 

--- a/libc/string/strsignal.c
+++ b/libc/string/strsignal.c
@@ -8,7 +8,7 @@
 #include <malloc.h>
 #include <signal.h>
 
-const char *const sys_siglist[NSIG] = {
+const char *const sys_siglist[] = {
 	"Unknown signal",
 	"Hangup",
 	"Interrupt",
@@ -32,20 +32,21 @@ const char *const sys_siglist[NSIG] = {
 	"Stopped",
 	"Stopped (tty input)",
 	"Stopped (tty output)",
-	"Possible I/O",
+	"Urgent condition",
 	"CPU time limit exceeded",
 	"File size limit exceeded",
 	"Virtual time alarm",
 	"Profile signal",
 	"Window size changed",
-	"File lock lost",
+	"Possible I/O",
 	"Power failure",
-	"Unused signal"
+	"Unused signal",
+	NULL
 };
 
 /********************** Function strsignal ************************************/
 
-char *strsignal (int sig)
+char *strsignal(int sig)
 {
 	static char retbuf[80];
 

--- /dev/null
+++ b/libc/string/sys_errlist.c
@@ -0,0 +1,140 @@
+#include <stddef.h>
+#if 0
+#include <errno.h>
+#endif
+
+/* This is a list of all known signal numbers.  */
+
+const char * const sys_errlist[] = {
+	"Success",				/* 0 */
+	"Operation not permitted", 		/* EPERM */
+	"No such file or directory", 		/* ENOENT */
+	"No such process", 			/* ESRCH */
+	"Interrupted system call", 		/* EINTR */
+	"I/O error", 				/* EIO */
+	"No such device or address", 		/* ENXIO */
+	"Arg list too long", 			/* E2BIG */
+	"Exec format error", 			/* ENOEXEC */
+	"Bad file number", 			/* EBADF */
+	"No child processes", 			/* ECHILD */
+	"Try again", 				/* EAGAIN */
+	"Out of memory", 			/* ENOMEM */
+	"Permission denied", 			/* EACCES */
+	"Bad address", 				/* EFAULT */
+	"Block device required", 		/* ENOTBLK */
+	"Device or resource busy", 		/* EBUSY */
+	"File exists", 				/* EEXIST */
+	"Cross-device link", 			/* EXDEV */
+	"No such device", 			/* ENODEV */
+	"Not a directory", 			/* ENOTDIR */
+	"Is a directory", 			/* EISDIR */
+	"Invalid argument", 			/* EINVAL */
+	"File table overflow", 			/* ENFILE */
+	"Too many open files", 			/* EMFILE */
+	"Not a typewriter", 			/* ENOTTY */
+	"Text file busy", 			/* ETXTBSY */
+	"File too large", 			/* EFBIG */
+	"No space left on device", 		/* ENOSPC */
+	"Illegal seek", 			/* ESPIPE */
+	"Read-only file system", 		/* EROFS */
+	"Too many links", 			/* EMLINK */
+	"Broken pipe", 				/* EPIPE */
+	"Math argument out of domain of func", 	/* EDOM */
+	"Math result not representable", 	/* ERANGE */
+	"Resource deadlock would occur", 	/* EDEADLK */
+	"File name too long", 			/* ENAMETOOLONG */
+	"No record locks available", 		/* ENOLCK */
+	"Function not implemented", 		/* ENOSYS */
+	"Directory not empty", 			/* ENOTEMPTY */
+	"Too many symbolic links encountered", 	/* ELOOP */
+	"Operation would block", 		/* EWOULDBLOCK */
+	"No message of desired type", 		/* ENOMSG */
+	"Identifier removed", 			/* EIDRM */
+	"Channel number out of range", 		/* ECHRNG */
+	"Level 2 not synchronized", 		/* EL2NSYNC */
+	"Level 3 halted", 			/* EL3HLT */
+	"Level 3 reset", 			/* EL3RST */
+	"Link number out of range", 		/* ELNRNG */
+	"Protocol driver not attached", 	/* EUNATCH */
+	"No CSI structure available", 		/* ENOCSI */
+	"Level 2 halted", 			/* EL2HLT */
+	"Invalid exchange", 			/* EBADE */
+	"Invalid request descriptor", 		/* EBADR */
+	"Exchange full", 			/* EXFULL */
+	"No anode", 				/* ENOANO */
+	"Invalid request code", 		/* EBADRQC */
+	"Invalid slot", 			/* EBADSLT */
+	"File locking deadlock error", 		/* EDEADLOCK */
+	"Bad font file format", 		/* EBFONT */
+	"Device not a stream", 			/* ENOSTR */
+	"No data available", 			/* ENODATA */
+	"Timer expired", 			/* ETIME */
+	"Out of streams resources", 		/* ENOSR */
+	"Machine is not on the network", 	/* ENONET */
+	"Package not installed", 		/* ENOPKG */
+	"Object is remote", 			/* EREMOTE */
+	"Link has been severed", 		/* ENOLINK */
+	"Advertise error", 			/* EADV */
+	"Srmount error", 			/* ESRMNT */
+	"Communication error on send", 		/* ECOMM */
+	"Protocol error", 			/* EPROTO */
+	"Multihop attempted", 			/* EMULTIHOP */
+	"RFS specific error", 			/* EDOTDOT */
+	"Not a data message", 			/* EBADMSG */
+	"Value too large for defined data type", 	/* EOVERFLOW */
+	"Name not unique on network", 		/* ENOTUNIQ */
+	"File descriptor in bad state", 	/* EBADFD */
+	"Remote address changed", 		/* EREMCHG */
+	"Can not access a needed shared library", 	/* ELIBACC */
+	"Accessing a corrupted shared library", 	/* ELIBBAD */
+	".lib section in a.out corrupted", 	/* ELIBSCN */
+	"Attempting to link in too many shared libraries", 	/* ELIBMAX */
+	"Cannot exec a shared library directly", 	/* ELIBEXEC */
+	"Illegal byte sequence", 		/* EILSEQ */
+	"Interrupted system call should be restarted", 	/* ERESTART */
+	"Streams pipe error", 			/* ESTRPIPE */
+	"Too many users", 			/* EUSERS */
+	"Socket operation on non-socket", 	/* ENOTSOCK */
+	"Destination address required", 	/* EDESTADDRREQ */
+	"Message too long", 			/* EMSGSIZE */
+	"Protocol wrong type for socket", 	/* EPROTOTYPE */
+	"Protocol not available", 		/* ENOPROTOOPT */
+	"Protocol not supported", 		/* EPROTONOSUPPORT */
+	"Socket type not supported", 		/* ESOCKTNOSUPPORT */
+	"Operation not supported on transport endpoint", 	/* EOPNOTSUPP */
+	"Protocol family not supported", 	/* EPFNOSUPPORT */
+	"Address family not supported by protocol", 	/* EAFNOSUPPORT */
+	"Address already in use", 		/* EADDRINUSE */
+	"Cannot assign requested address", 	/* EADDRNOTAVAIL */
+	"Network is down", 			/* ENETDOWN */
+	"Network is unreachable", 		/* ENETUNREACH */
+	"Network dropped connection because of reset", 	/* ENETRESET */
+	"Software caused connection abort", 	/* ECONNABORTED */
+	"Connection reset by peer", 		/* ECONNRESET */
+	"No buffer space available", 		/* ENOBUFS */
+	"Transport endpoint is already connected", 	/* EISCONN */
+	"Transport endpoint is not connected", 	/* ENOTCONN */
+	"Cannot send after transport endpoint shutdown", 	/* ESHUTDOWN */
+	"Too many references: cannot splice", 	/* ETOOMANYREFS */
+	"Connection timed out", 		/* ETIMEDOUT */
+	"Connection refused", 			/* ECONNREFUSED */
+	"Host is down", 			/* EHOSTDOWN */
+	"No route to host", 			/* EHOSTUNREACH */
+	"Operation already in progress", 	/* EALREADY */
+	"Operation now in progress", 		/* EINPROGRESS */
+	"Stale NFS file handle", 		/* ESTALE */
+	"Structure needs cleaning", 		/* EUCLEAN */
+	"Not a XENIX named type file", 		/* ENOTNAM */
+	"No XENIX semaphores available", 	/* ENAVAIL */
+	"Is a named type file", 		/* EISNAM */
+	"Remote I/O error", 			/* EREMOTEIO */
+	"Quota exceeded", 			/* EDQUOT */
+	"No medium found",			/* ENOMEDIUM */
+	"Wrong medium type",			/* EMEDIUMTYPE */
+	NULL
+};
+
+
+#define NR_ERRORS ((sizeof (sys_errlist))/(sizeof(char *))-1)
+
+const int sys_nerr = NR_ERRORS;

--- a/libc/sysdeps/linux/common/setegid.c
+++ b/libc/sysdeps/linux/common/setegid.c
@@ -2,5 +2,5 @@
 
 int setegid(gid_t gid)
 {
-	return __setregid(-1, gid);
+	return setregid(-1, gid);
 }

--- a/libc/sysdeps/linux/common/waitpid.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <syscall.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/resource.h>
-
-__pid_t
-waitpid(__pid_t pid, int *wait_stat, int options)
-{
-	return wait4(pid, (__WAIT_STATUS) wait_stat, options, NULL);
-}