merge from gcc

6 files changed, 69 insertions, 55 deletions

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 11e9082..8e34448 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,11 @@
+2007-08-24  Kai Tietz  <kai.tietz@onevision.com>
+
+	* pex-common.h: (pex_funcs): Retyped wait and exec_child to pid_t.
+	* pex-djgpp.c: Likewise.
+	* pex-msdos.c: Likewise.
+	* pex-unix.c: Likewise.
+	* pex-win32.c: Likewise.
+
 2007-08-17  Michael Snyder  <msnyder@access-company.com>
 
 	* make-relative-prefix.c (make_relative_prefix_1): Resource leaks.
diff --git a/libiberty/pex-common.h b/libiberty/pex-common.h
index 8edc13b..5b7bfcc 100644
--- a/libiberty/pex-common.h
+++ b/libiberty/pex-common.h
@@ -26,6 +26,12 @@ Boston, MA 02110-1301, USA.  */
 #include "libiberty.h"
 #include <stdio.h>
 
+/* pid_t is may defined by config.h or sys/types.h needs to be
+   included.  */
+#if !defined(pid_t) && defined(HAVE_SYS_TYPES_H)
+#include <sys/types.h>
+#endif
+
 #define install_error_msg "installation problem, cannot exec `%s'"
 
 /* stdin file number.  */
@@ -108,7 +114,7 @@ struct pex_funcs
      closed in the child process.  The function should handle the
      PEX_STDERR_TO_STDOUT flag.  Return >= 0 on success, or -1 on
      error and set *ERRMSG and *ERR.  */
-  long (*exec_child) (struct pex_obj *, int /* flags */,
+  pid_t (*exec_child) (struct pex_obj *, int /* flags */,
                       const char */* executable */, char * const * /* argv */,
                       char * const * /* env */,
                       int /* in */, int /* out */, int /* errdes */,
@@ -120,7 +126,7 @@ struct pex_funcs
      and time in *TIME (if it is not null).  CHILD is from fork.  DONE
      is 1 if this is called via pex_free.  ERRMSG and ERR are as in
      fork.  Return 0 on success, -1 on error.  */
-  int (*wait) (struct pex_obj *, long /* child */, int * /* status */,
+  int (*wait) (struct pex_obj *, pid_t /* child */, int * /* status */,
                struct pex_time * /* time */, int /* done */,
                const char ** /* errmsg */, int * /* err */);
   /* Create a pipe (only called if PEX_USE_PIPES is set) storing two
diff --git a/libiberty/pex-djgpp.c b/libiberty/pex-djgpp.c
index ac5a4f9..bd27938 100644
--- a/libiberty/pex-djgpp.c
+++ b/libiberty/pex-djgpp.c
@@ -44,12 +44,12 @@ extern int errno;
 
 static int pex_djgpp_open_read (struct pex_obj *, const char *, int);
 static int pex_djgpp_open_write (struct pex_obj *, const char *, int);
-static long pex_djgpp_exec_child (struct pex_obj *, int, const char *,
+static pid_t pex_djgpp_exec_child (struct pex_obj *, int, const char *,
 				  char * const *, char * const *,
 				  int, int, int, int,
 				  const char **, int *);
 static int pex_djgpp_close (struct pex_obj *, int);
-static int pex_djgpp_wait (struct pex_obj *, long, int *, struct pex_time *,
+static int pex_djgpp_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
 			   int, const char **, int *);
 
 /* The list of functions we pass to the common routines.  */
@@ -110,7 +110,7 @@ pex_djgpp_close (struct pex_obj *obj ATTRIBUTE_UNUSED, int fd)
 
 /* Execute a child.  */
 
-static long
+static pid_t
 pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 		      char * const * argv, char * const * env,
                       int in, int out, int errdes,
@@ -132,19 +132,19 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (dup2 (in, STDIN_FILE_NO) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (close (in) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "close";
-	  return -1;
+	  return (pid_t) -1;
 	}
     }
 
@@ -155,19 +155,19 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (dup2 (out, STDOUT_FILE_NO) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (close (out) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "close";
-	  return -1;
+	  return (pid_t) -1;
 	}
     }
 
@@ -179,14 +179,14 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (dup2 ((flags & PEX_STDERR_TO_STDOUT) != 0 ? STDOUT_FILE_NO : errdes,
 		 STDERR_FILE_NO) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (errdes != STDERR_FILE_NO)
 	{
@@ -194,7 +194,7 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	    {
 	      *err = errno;
 	      *errmsg = "close";
-	      return -1;
+	      return (pid_t) -1;
 	    }
 	}
     }
@@ -218,13 +218,13 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (close (org_in) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "close";
-	  return -1;
+	  return (pid_t) -1;
 	}
     }
 
@@ -234,13 +234,13 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (close (org_out) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "close";
-	  return -1;
+	  return (pid_t) -1;
 	}
     }
 
@@ -251,13 +251,13 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	{
 	  *err = errno;
 	  *errmsg = "dup2";
-	  return -1;
+	  return (pid_t) -1;
 	}
       if (close (org_errdes) < 0)
 	{
 	  *err = errno;
 	  *errmsg = "close";
-	  return -1;
+	  return (pid_t) -1;
 	}
     }
 
@@ -269,7 +269,7 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
   statuses[obj->count] = status;
   obj->sysdep = (void *) statuses;
 
-  return obj->count;
+  return (pid_t) obj->count;
 }
 
 /* Wait for a child process to complete.  Actually the child process
@@ -277,7 +277,7 @@ pex_djgpp_exec_child (struct pex_obj *obj, int flags, const char *executable,
    status.  */
 
 static int
-pex_djgpp_wait (struct pex_obj *obj, long pid, int *status,
+pex_djgpp_wait (struct pex_obj *obj, pid_t pid, int *status,
 		struct pex_time *time, int done ATTRIBUTE_UNUSED,
 		const char **errmsg ATTRIBUTE_UNUSED,
 		int *err ATTRIBUTE_UNUSED)
diff --git a/libiberty/pex-msdos.c b/libiberty/pex-msdos.c
index b5acd86..ab4d736 100644
--- a/libiberty/pex-msdos.c
+++ b/libiberty/pex-msdos.c
@@ -54,12 +54,12 @@ struct pex_msdos
 static int pex_msdos_open (struct pex_obj *, const char *, int);
 static int pex_msdos_open (struct pex_obj *, const char *, int);
 static int pex_msdos_fdindex (struct pex_msdos *, int);
-static long pex_msdos_exec_child (struct pex_obj *, int, const char *,
+static pid_t pex_msdos_exec_child (struct pex_obj *, int, const char *,
 				  char * const *, char * const *,
 				  int, int, int, int,
 				  int, const char **, int *);
 static int pex_msdos_close (struct pex_obj *, int);
-static int pex_msdos_wait (struct pex_obj *, long, int *, struct pex_time *,
+static int pex_msdos_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
 			   int, const char **, int *);
 static void pex_msdos_cleanup (struct pex_obj *);
 
@@ -152,7 +152,7 @@ pex_msdos_close (struct pex_obj *obj, int fd)
 
 /* Execute a child.  */
 
-static long
+static pid_t
 pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
 		      char * const * argv, char * const * env, int in, int out,
 		      int toclose ATTRIBUTE_UNUSED,
@@ -235,7 +235,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
       free (scmd);
       free (rf);
       *errmsg = "cannot open temporary command file";
-      return -1;
+      return (pid_t) -1;
     }
 
   for (i = 1; argv[i] != NULL; ++i)
@@ -262,7 +262,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
       free (scmd);
       free (rf);
       *errmsg = "system";
-      return -1;
+      return (pid_t) -1;
     }
 
   remove (rf);
@@ -275,7 +275,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
   ms->statuses = XRESIZEVEC(int, ms->statuses, obj->count + 1);
   ms->statuses[obj->count] = status;
 
-  return obj->count;
+  return (pid_t) obj->count;
 }
 
 /* Wait for a child process to complete.  Actually the child process
@@ -283,7 +283,7 @@ pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
    status.  */
 
 static int
-pex_msdos_wait (struct pex_obj *obj, long pid, int *status,
+pex_msdos_wait (struct pex_obj *obj, pid_t pid, int *status,
 		struct pex_time *time, int done ATTRIBUTE_UNUSED,
 		const char **errmsg ATTRIBUTE_UNUSED,
 		int *err ATTRIBUTE_UNUSED)
diff --git a/libiberty/pex-unix.c b/libiberty/pex-unix.c
index a776041..366e96e 100644
--- a/libiberty/pex-unix.c
+++ b/libiberty/pex-unix.c
@@ -269,12 +269,12 @@ static void pex_child_error (struct pex_obj *, const char *, const char *, int)
      ATTRIBUTE_NORETURN;
 static int pex_unix_open_read (struct pex_obj *, const char *, int);
 static int pex_unix_open_write (struct pex_obj *, const char *, int);
-static long pex_unix_exec_child (struct pex_obj *, int, const char *,
+static pid_t pex_unix_exec_child (struct pex_obj *, int, const char *,
 				 char * const *, char * const *,
 				 int, int, int, int,
 				 const char **, int *);
 static int pex_unix_close (struct pex_obj *, int);
-static int pex_unix_wait (struct pex_obj *, long, int *, struct pex_time *,
+static int pex_unix_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
 			  int, const char **, int *);
 static int pex_unix_pipe (struct pex_obj *, int *, int);
 static FILE *pex_unix_fdopenr (struct pex_obj *, int, int);
@@ -355,7 +355,7 @@ pex_child_error (struct pex_obj *obj, const char *executable,
 
 extern char **environ;
 
-static long
+static pid_t
 pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
 		     char * const * argv, char * const * env,
                      int in, int out, int errdes,
@@ -384,7 +384,7 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
     case -1:
       *err = errno;
       *errmsg = VFORK_STRING;
-      return -1;
+      return (pid_t) -1;
 
     case 0:
       /* Child process.  */
@@ -435,7 +435,7 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	}
 
       /* NOTREACHED */
-      return -1;
+      return (pid_t) -1;
 
     default:
       /* Parent process.  */
@@ -445,7 +445,7 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	    {
 	      *err = errno;
 	      *errmsg = "close";
-	      return -1;
+	      return (pid_t) -1;
 	    }
 	}
       if (out != STDOUT_FILE_NO)
@@ -454,7 +454,7 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	    {
 	      *err = errno;
 	      *errmsg = "close";
-	      return -1;
+	      return (pid_t) -1;
 	    }
 	}
       if (errdes != STDERR_FILE_NO)
@@ -463,18 +463,18 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
 	    {
 	      *err = errno;
 	      *errmsg = "close";
-	      return -1;
+	      return (pid_t) -1;
 	    }
 	}
 
-      return (long) pid;
+      return pid;
     }
 }
 
 /* Wait for a child process to complete.  */
 
 static int
-pex_unix_wait (struct pex_obj *obj, long pid, int *status,
+pex_unix_wait (struct pex_obj *obj, pid_t pid, int *status,
 	       struct pex_time *time, int done, const char **errmsg,
 	       int *err)
 {
diff --git a/libiberty/pex-win32.c b/libiberty/pex-win32.c
index ef9eb02..05d44e9 100644
--- a/libiberty/pex-win32.c
+++ b/libiberty/pex-win32.c
@@ -79,12 +79,12 @@ backslashify (char *s)
 
 static int pex_win32_open_read (struct pex_obj *, const char *, int);
 static int pex_win32_open_write (struct pex_obj *, const char *, int);
-static long pex_win32_exec_child (struct pex_obj *, int, const char *,
+static pid_t pex_win32_exec_child (struct pex_obj *, int, const char *,
 				  char * const *, char * const *,
                                   int, int, int, int,
 				  const char **, int *);
 static int pex_win32_close (struct pex_obj *, int);
-static int pex_win32_wait (struct pex_obj *, long, int *,
+static int pex_win32_wait (struct pex_obj *, pid_t, int *,
 			   struct pex_time *, int, const char **, int *);
 static int pex_win32_pipe (struct pex_obj *, int *, int);
 static FILE *pex_win32_fdopenr (struct pex_obj *, int, int);
@@ -522,7 +522,7 @@ env_compare (const void *a_ptr, const void *b_ptr)
   return c1 - c2;
 }
 
-static long
+static pid_t
 win32_spawn (const char *executable,
 	     BOOL search,
 	     char *const *argv,
@@ -597,7 +597,7 @@ win32_spawn (const char *executable,
 
       free (full_executable);
 
-      return -1;
+      return (pid_t) -1;
     }
 
   /* Clean up.  */
@@ -606,7 +606,7 @@ win32_spawn (const char *executable,
   if (env_block)
     free (env_block);
 
-  return (long) pi->hProcess;
+  return (pid_t) pi->hProcess;
 
  error:
   if (env_block)
@@ -616,17 +616,17 @@ win32_spawn (const char *executable,
   if (full_executable)
     free (full_executable);
 
-  return -1;
+  return (pid_t) -1;
 }
 
-static long
+static pid_t
 spawn_script (const char *executable, char *const *argv,
               char* const *env,
 	      DWORD dwCreationFlags,
 	      LPSTARTUPINFO si,
 	      LPPROCESS_INFORMATION pi)
 {
-  int pid = -1;
+  pid_t pid = (pid_t) -1;
   int save_errno = errno;
   int fd = _open (executable, _O_RDONLY);
 
@@ -673,7 +673,7 @@ spawn_script (const char *executable, char *const *argv,
 				     dwCreationFlags, si, pi);
 		  if (executable1 != newex)
 		    free ((char *) newex);
-		  if (pid < 0)
+		  if ((long) pid < 0)
 		    {
 		      newex = msys_rootify (executable1);
 		      if (newex != executable1)
@@ -689,14 +689,14 @@ spawn_script (const char *executable, char *const *argv,
 	    }
 	}
     }
-  if (pid < 0)
+  if ((long) pid < 0)
     errno = save_errno;
   return pid;
 }
 
 /* Execute a child.  */
 
-static long
+static pid_t
 pex_win32_exec_child (struct pex_obj *obj ATTRIBUTE_UNUSED, int flags,
 		      const char *executable, char * const * argv,
                       char* const* env,
@@ -705,7 +705,7 @@ pex_win32_exec_child (struct pex_obj *obj ATTRIBUTE_UNUSED, int flags,
 		      const char **errmsg,
 		      int *err)
 {
-  long pid;
+  pid_t pid;
   HANDLE stdin_handle;
   HANDLE stdout_handle;
   HANDLE stderr_handle;
@@ -780,10 +780,10 @@ pex_win32_exec_child (struct pex_obj *obj ATTRIBUTE_UNUSED, int flags,
   /* Create the child process.  */  
   pid = win32_spawn (executable, (flags & PEX_SEARCH) != 0,
 		     argv, env, dwCreationFlags, &si, &pi);
-  if (pid == -1)
+  if (pid == (pid_t) -1)
     pid = spawn_script (executable, argv, env, dwCreationFlags,
                         &si, &pi);
-  if (pid == -1)
+  if (pid == (pid_t) -1)
     {
       *err = ENOENT;
       *errmsg = "CreateProcess";
@@ -808,7 +808,7 @@ pex_win32_exec_child (struct pex_obj *obj ATTRIBUTE_UNUSED, int flags,
    macros.  Note that WIFSIGNALED will never be true under CRTDLL. */
 
 static int
-pex_win32_wait (struct pex_obj *obj ATTRIBUTE_UNUSED, long pid,
+pex_win32_wait (struct pex_obj *obj ATTRIBUTE_UNUSED, pid_t pid,
 		int *status, struct pex_time *time, int done ATTRIBUTE_UNUSED,
 		const char **errmsg, int *err)
 {
@@ -883,7 +883,7 @@ main (int argc ATTRIBUTE_UNUSED, char **argv)
   char const *errmsg;
   int err;
   argv++;
-  printf ("%ld\n", pex_win32_exec_child (NULL, PEX_SEARCH, argv[0], argv, NULL, 0, 0, 1, 2, &errmsg, &err));
+  printf ("%ld\n", (long) pex_win32_exec_child (NULL, PEX_SEARCH, argv[0], argv, NULL, 0, 0, 1, 2, &errmsg, &err));
   exit (0);
 }
 #endif