From a4eb8be71c809905f1fc08d8c3f12ed53bfa28ce Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 26 Jul 2002 04:53:10 +0000
Subject: The __set_errno macro _must_ match that defined in
 include/bits/errno.h.  We can't tack in the return -1 since then when people
 include errno.h, the return -1 mysteriously vanishes...  Setting the
 __set_errno back and restoring the 'return -1;' calls to each _syscall[0-n]
 macro makes mips syscalls work again.  -Erik

---
 libc/sysdeps/linux/mips/bits/syscalls.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'libc')

diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h
index 2be184527..788e84769 100644
--- a/libc/sysdeps/linux/mips/bits/syscalls.h
+++ b/libc/sysdeps/linux/mips/bits/syscalls.h
@@ -10,7 +10,7 @@
 #include <bits/syscall.h>
 
 #ifndef __set_errno
-# define __set_errno(val)  { (*__errno_location ()) = (val); return -1; }
+# define __set_errno(val) (*__errno_location ()) = (val)
 #endif
 #ifndef SYS_ify
 # define SYS_ify(syscall_name)  (__NR_##syscall_name)
@@ -34,6 +34,7 @@ __asm__ volatile ("li\t$2,%2\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 /*
@@ -55,6 +56,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall2(type,name,atype,a,btype,b) \
@@ -75,6 +77,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall3(type,name,atype,a,btype,b,ctype,c) \
@@ -97,6 +100,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
@@ -121,6 +125,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
@@ -150,6 +155,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall6(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f) \
@@ -182,6 +188,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #define _syscall7(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f,gtype,g) \
@@ -217,6 +224,7 @@ __asm__ volatile ("move\t$4,%3\n\t" \
 if (__err == 0) \
 	return (type) __res; \
 __set_errno(__res); \
+return -1; \
 }
 
 #endif /* __ASSEMBLER__ */
-- 
cgit v1.2.3