as we know the type. Remove now unnecessary set of orig_type for
conversions.
-Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net.
+Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
+ Jeff Law <law@cygnus.com>
+
+ * system.h (STDIN_FILENO): Provide default definition if one is not
+ provided by the system header files.
+ (STDOUT_FILENO, STDERR_FILENO): Likewise.
+
+ * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
+ * collect2.c (main): Use it.
+ (pexecute_pid): New variable. Holds return value from call to pexecute.
+ (collect2_execute): Rework to use pexecute instead of fork.
+ (collect2_wait): Use pwait() instead of wait().
* i386/djgpp.h: Fix typo.
struct obstack permanent_obstack;
char * temporary_firstobj;
+/* Holds the return value of pexecute. */
+int pexecute_pid;
+
/* Defined in the automatically-generated underscore.c. */
extern int prepends_underscore;
int first_file;
int num_c_args = argc+9;
+#if defined (COLLECT2_HOST_INITIALZATION)
+ /* Perform system dependant initialization, if neccessary. */
+ COLLECT2_HOST_INITIALZATION;
+#endif
+
#ifdef HAVE_LC_MESSAGES
setlocale (LC_MESSAGES, "");
#endif
{
int status;
- wait (&status);
+ pwait (pexecute_pid, &status, 0);
if (status)
{
if (WIFSIGNALED (status))
}
\f
-/* Fork and execute a program, and wait for the reply. */
+/* Execute a program, and wait for the reply. */
void
collect_execute (prog, argv, redir)
char **argv;
char *redir;
{
- int pid;
+ char *errmsg_fmt;
+ char *errmsg_arg;
+ int redir_handle = -1;
+ int stdout_save = -1;
+ int stderr_save = -1;
if (vflag || debug)
{
if (argv[0] == 0)
fatal ("cannot find `%s'", prog);
- pid = vfork ();
- if (pid == -1)
- fatal_perror (VFORK_STRING);
+ if (redir)
+ {
+ /* Open response file. */
+ redir_handle = open (redir, O_WRONLY | O_TRUNC | O_CREAT);
- if (pid == 0) /* child context */
+ /* Duplicate the stdout and stderr file handles
+ so they can be restored later. */
+ stdout_save = dup (STDOUT_FILENO);
+ if (stdout_save == -1)
+ fatal_perror ("redirecting stdout: %s", redir);
+ stderr_save = dup (STDERR_FILENO);
+ if (stderr_save == -1)
+ fatal_perror ("redirecting stdout: %s", redir);
+
+ /* Redirect stdout & stderr to our response file. */
+ dup2 (redir_handle, STDOUT_FILENO);
+ dup2 (redir_handle, STDERR_FILENO);
+ }
+
+ pexecute_pid = pexecute (argv[0], argv, argv[0], NULL,
+ &errmsg_fmt, &errmsg_arg,
+ (PEXECUTE_FIRST | PEXECUTE_LAST | PEXECUTE_SEARCH));
+
+ if (redir)
{
- if (redir)
- {
- unlink (redir);
- if (freopen (redir, "a", stdout) == NULL)
- fatal_perror ("freopen stdout %s", redir);
- if (freopen (redir, "a", stderr) == NULL)
- fatal_perror ("freopen stderr %s", redir);
- }
+ /* Restore stdout and stderr to their previous settings. */
+ dup2 (stdout_save, STDOUT_FILENO);
+ dup2 (stderr_save, STDERR_FILENO);
- execvp (argv[0], argv);
- fatal_perror ("execvp %s", prog);
+ /* Close reponse file. */
+ close (redir_handle);
}
+
+ if (pexecute_pid == -1)
+ fatal_perror (errmsg_fmt, errmsg_arg);
}
static void