From: Jeff Johnston <jjohnstn@redhat.com>
Date: Tue, 22 Mar 2005 23:45:43 +0000 (+0000)
Subject: 2005-03-22  Jeff Johnston  <jjohnstn@redhat.com>
X-Git-Tag: msnyder-tracepoint-checkpoint-branchpoint~274
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=859c94e8de8c009b1ac20072005379c34bf7f395;p=newlib-cygwin.git

2005-03-22  Jeff Johnston  <jjohnstn@redhat.com>

        * configure.host: For arc, set -DREENTRANT_SYSCALLS_PROVIDED flag on.
        * libc/sys/arc/syscalls.c: Change functions to use __errno_r rather
        than errno.
---

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 1fff903e0..552da88f5 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,9 @@
+2005-03-22  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* configure.host: For arc, set -DREENTRANT_SYSCALLS_PROVIDED flag on.
+	* libc/sys/arc/syscalls.c: Change functions to use __errno_r rather 
+	than errno.
+
 2005-03-22  Christopher Faylor  <cgf@timesys.com>
 
 	* libc/include/machine/_types.h: Make trivial change to comment to
diff --git a/newlib/configure.host b/newlib/configure.host
index 2265e7b66..dbf063676 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -502,6 +502,9 @@ case "${host}" in
 	  newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 	fi
 	;;
+  arc*)
+	newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED"
+	;;
   avr*)
 	newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 	;;
diff --git a/newlib/libc/sys/arc/syscalls.c b/newlib/libc/sys/arc/syscalls.c
index 107989b00..9c578451a 100644
--- a/newlib/libc/sys/arc/syscalls.c
+++ b/newlib/libc/sys/arc/syscalls.c
@@ -15,7 +15,7 @@ _read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
 
   SYSCALL (SYS_read, rc, err, fd, buf, nbytes);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -27,7 +27,7 @@ _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
 
   SYSCALL (SYS_write, rc, err, fd, buf, nbytes);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -48,7 +48,8 @@ _open_r (struct _reent *r, const char *buf, int flags, int mode)
 #endif
 
   SYSCALL (SYS_open, rc, err, buf, flags, mode);
-  errno = err;
+  if (err)
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -59,7 +60,7 @@ _close_r (struct _reent *r, int fd)
 
   SYSCALL (SYS_close, rc, err, fd, 0, 0);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -71,7 +72,7 @@ _lseek_r (struct _reent *r, int fd,  off_t offset, int whence)
 
   SYSCALL (SYS_lseek, rc, err, fd, offset, whence);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -82,7 +83,7 @@ _fstat_r (struct _reent *r, int fd, struct stat *buf)
 
   SYSCALL (SYS_fstat, rc, err, fd, buf, 0);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }
 
@@ -125,6 +126,6 @@ _kill_r (struct _reent *r, int pid, int sig)
 
   SYSCALL (SYS_kill, rc, err, pid, sig, 0);
   if (err)
-    errno = err;
+    __errno_r (r) = err;
   return rc;
 }