* include/cygwin/version.h: Bump API to reflect setlogmask.

winsup/cygwin/ChangeLog

@@ -1,3 +1,7 @@
+Mon Jan 22 15:27:12 2001  Christopher Faylor <cgf@cygnus.com>
+
+	* include/cygwin/version.h: Bump API to reflect setlogmask.
+
 Sun Jan 21 22:40:25 2001  Jason Tishler <jt@dothill.com>
 
 	* cygwin.din: Add export for setlogmask().

winsup/cygwin/include/cygwin/version.h

@@ -123,10 +123,11 @@ details. */
        30: CW_GET_CYGDRIVE_INFO addition to external.cc
        31: Export inet_aton
        32: Export getrlimit/setrlimit
+       33: Export setlogmask
      */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 32
+#define CYGWIN_VERSION_API_MINOR 33
 
      /* There is also a compatibity version number associated with the
 	shared memory regions.  It is incremented when incompatible

winsup/cygwin/path.cc

@@ -298,6 +298,7 @@ path_conv::check (const char *src, unsigned opt,
 	     these operations again on the newly derived path. */
 	  else if (len > 0)
 	    {
+	      set_has_symlinks ();
 	      if (component == 0 && !need_directory && !(opt & PC_SYM_FOLLOW))
 		{
 		  set_symlink (); // last component of path is a symlink.
@@ -315,7 +316,7 @@ path_conv::check (const char *src, unsigned opt,
 	      (tail > path_copy && tail[-1] == ':'))
 	    goto out;	// all done
 
-	  /* Haven't found a valid pathname component yet.
+	  /* Haven't found an existing pathname component yet.
 	     Pinch off the tail and try again. */
 	  *tail = '\0';
 	  component++;
@@ -2372,10 +2373,7 @@ symlink_info::check (const char *in_path, const suffix_info *suffixes)
 	      /* Not a symlink, see if executable.  */
 	      if (!(pflags & PATH_ALL_EXEC) &&
 		  has_exec_chars (cookie_buf, got))
-{
-debug_printf ("setting exec flag");
 		pflags |= PATH_EXEC;
-}
 	    close_and_return:
 	      CloseHandle (h);
 	      goto file_not_symlink;
@@ -2572,10 +2570,41 @@ chdir (const char *dir)
       native_dir[3] = '\0';
     }
   int res = SetCurrentDirectoryA (native_dir) ? 0 : -1;
+
   if (res == -1)
     __seterrno ();
+  else if (!path.has_symlinks ())
+    cygcwd.set (path, dir);
   else
-    cygcwd.set (path, strpbrk (dir, ":\\") != NULL ? NULL : dir);
+    {
+      char curcwd[MAX_PATH];
+      char fulldir[MAX_PATH];
+      char *p;
+      char **tail[MAX_PATH / 2];
+      int len = strlen (dir) + 1;
+
+      if (isabspath (dir))
+	p = fulldir;
+      else
+	{
+	  p = strchr (strcpy (fulldir, cygcwd.get (curcwd)), '\0');
+	  if (p > fulldir + 1)
+	    strcpy (p++, "/");
+	 }
+      strcpy (p, dir);
+      dir = fulldir;
+      for (;;)
+	{
+	  path_conv resolved (dir, PC_SYM_NOFOLLOW | PC_FULL);
+	  if (resolved.get_attributes () & FILE_ATTRIBUTE_DIRECTORY)
+	    {
+	      cygcwd.set (path, dir);
+	      break;
+	    }
+	  char *p = strrchr (dir)
+	  tail[i] = 
+	}
+    }
 
   /* Note that we're accessing cwd.posix without a lock here.  I didn't think
      it was worth locking just for strace. */

winsup/cygwin/path.h

@@ -37,6 +37,7 @@ enum path_types
   PATH_EXEC = MOUNT_EXEC,
   PATH_CYGWIN_EXEC = MOUNT_CYGWIN_EXEC,
   PATH_ALL_EXEC = PATH_CYGWIN_EXEC | PATH_EXEC,
+  PATH_HAS_SYMLINKS = 0x10000000,
   PATH_HASBUGGYOPEN = 0x20000000,
   PATH_SOCKET =       0x40000000,
   PATH_HASACLS =      0x80000000
@@ -50,6 +51,7 @@ class path_conv
   unsigned path_flags;
 
   int has_acls () {return path_flags & PATH_HASACLS;}
+  int has_symlinks () {return path_flags & PATH_HAS_SYMLINKS;}
   int hasgood_inode () {return path_flags & PATH_HASACLS;}  // Not strictly correct
   int has_buggy_open () {return path_flags & PATH_HASBUGGYOPEN;}
   int isbinary () {return path_flags & PATH_BINARY;}
@@ -60,6 +62,7 @@ class path_conv
 
   void set_binary () {path_flags |= PATH_BINARY;}
   void set_symlink () {path_flags |= PATH_SYMLINK;}
+  void set_has_symlinks () {path_flags |= PATH_HAS_SYMLINKS;}
   void set_exec (int x = 1) {path_flags |= x ? PATH_EXEC : PATH_NOTHING;}
   void set_has_acls (int x = 1) {path_flags |= x ? PATH_HASACLS : PATH_NOTHING;}
   void set_has_buggy_open (int x = 1) {path_flags |= x ? PATH_HASBUGGYOPEN : PATH_NOTHING;}

winsup/cygwin/syscalls.cc

@@ -245,10 +245,7 @@ beg:
       if (!wait)
 	set_sig_errno (EAGAIN);	/* Don't really need 'set_sig_errno' here, but... */
       else
-	{
+	set_sig_errno (EINTR);
-	  set_sig_errno (EINTR);
-	  sawsig = 1;
-	}
       res = -1;
       goto out;
     }
@@ -264,7 +261,7 @@ beg:
     }
 
 out:
-  if (sawsig && call_signal_handler ())
+  if (res < 0 && get_errno () == EINTR && call_signal_handler ())
     goto beg;
   syscall_printf ("%d = read (%d<%s>, %p, %d), bin %d, errno %d", res, fd, fh->get_name (),
 		  ptr, len, fh->get_r_binary (), get_errno ());