Avoid compiler warnings in the MS-Windows build.

 nt/inc/unistd.h (tcgetpgrp, setsid): Provide prototypes.

2 files changed, 9 insertions, 0 deletions

diff --git a/nt/ChangeLog b/nt/ChangeLog
index ad8c53a27b8..931cb745c8b 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-05  Eli Zaretskii  <eliz@gnu.org>
+
+        * inc/unistd.h (tcgetpgrp, setsid): Provide prototypes.
+
 2012-11-05  Juanma Barranquero  <lekktu@gmail.com>
 
         * config.nt: Sync with autogen/config.in.
diff --git a/nt/inc/unistd.h b/nt/inc/unistd.h
index 383bc3decec..7cab27b325f 100644
--- a/nt/inc/unistd.h
+++ b/nt/inc/unistd.h
@@ -8,9 +8,14 @@
    <unistd.h> also includes <stdlib.h>, so there's no need to declare
    'environ' here.  */
 
+/* Privide prototypes of library functions that are emulated on w32
+   and whose prototypes are usually found in unistd.h on Posix
+   platforms.  */
 extern ssize_t readlink (const char *, char *, size_t);
 extern int symlink (char const *, char const *);
 extern int setpgid (pid_t, pid_t);
 extern pid_t getpgrp (void);
+extern pid_t setsid (void);
+extern pid_t tcgetpgrp (int);
 
 #endif  /* _UNISTD_H */