Added s_open(), s_close() etc. with EINTR wrappers.

* safeio.c, safeio.h: Added s_open(), s_close() etc. with EINTR
        wrappers.

        * procdata.c, procmap.c, proclist.c: Use them.

sysdeps/solaris/safeio.c

@@ -0,0 +1,84 @@
+/* Copyright (C) 1999 Drazen Kacar
+   This file is part of LibGTop 1.0.
+
+   Contributed by Drazen Kacar <dave@srce.hr>, May 1999.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop 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 General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <errno.h>
+
+int
+s_open(const char *file, int mode)
+{
+   int fd;
+
+   do {
+      fd = open(file, mode);
+   } while(fd < 0 && errno == EINTR);
+   return fd;
+}
+
+int
+s_stat(const char *path, struct stat *buf)
+{
+   int status;
+
+   do {
+      status = stat(path, buf);
+   } while(status < 0 && errno == EINTR);
+   return status;
+}
+
+int
+s_close(int fd)
+{
+   int status;
+
+   do {
+      status = close(fd);
+   } while(status < 0 && errno == EINTR);
+   return status;
+}
+
+ssize_t
+s_pread(int fd, void *buf, size_t nbytes, off_t offset)
+{
+   ssize_t len;
+
+   /* Now, why doesn't the pread(2) man page say anything about pread()
+      return values? Can it read less bytes than requested? */
+
+   do {
+      len = pread(fd, buf, nbytes, offset);
+   } while(len < 0 && errno == EINTR);
+   return len;
+}
+
+int s_closedir(DIR *dirp)
+{
+   int status;
+
+   do {
+      status = closedir(dirp);
+   } while(status < 0 && errno == EINTR);
+   return status;
+}