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Add support for OS/2, contributed by Andreas Buening <andreas.buening@nexgo.de>

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Also a small patch from Hartmut Becker <Hartmut.Becker@compaq.com> for VMS.
This commit is contained in:
Paul Smith
2003-03-24 23:14:15 +00:00
parent 1fa3db1468
commit 4068c5e4a3
12 changed files with 719 additions and 98 deletions
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32
function.c
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@@ -1450,6 +1450,7 @@ func_shell (char *o, char **argv, const char *funcname)
error_prefix = "";
#ifdef WINDOWS32
windows32_openpipe (pipedes, &pid, command_argv, envp);
if (pipedes[0] < 0) {
@@ -1458,31 +1459,46 @@ func_shell (char *o, char **argv, const char *funcname)
return o;
} else
#else /* WINDOWS32 */
# ifdef __MSDOS__
#elif defined(__MSDOS__)
fpipe = msdos_openpipe (pipedes, &pid, argv[0]);
if (pipedes[0] < 0)
{
perror_with_name (error_prefix, "pipe");
return o;
}
# else
#else
if (pipe (pipedes) < 0)
{
perror_with_name (error_prefix, "pipe");
return o;
}
# ifdef __EMX__
/* close some handles that are unnecessary for the child process */
CLOSE_ON_EXEC(pipedes[1]);
CLOSE_ON_EXEC(pipedes[0]);
/* Never use fork()/exec() here! Use spawn() instead in exec_command() */
pid = child_execute_job (0, pipedes[1], command_argv, envp);
if (pid < 0)
perror_with_name (error_prefix, "spawn");
# else /* ! __EMX__ */
pid = vfork ();
if (pid < 0)
perror_with_name (error_prefix, "fork");
else if (pid == 0)
child_execute_job (0, pipedes[1], command_argv, envp);
else
# endif /* ! __MSDOS__ */
#endif /* WINDOWS32 */
# endif
#endif
{
/* We are the parent. */
@@ -1517,7 +1533,7 @@ func_shell (char *o, char **argv, const char *funcname)
buffer = (char *) xrealloc (buffer, maxlen + 1);
}
cc = read (pipedes[0], &buffer[i], maxlen - i);
EINTRLOOP (cc, read (pipedes[0], &buffer[i], maxlen - i));
if (cc <= 0)
break;
}
@@ -1531,8 +1547,8 @@ func_shell (char *o, char **argv, const char *funcname)
(void) close (pipedes[0]);
#endif
/* Loop until child_handler sets shell_function_completed
to the status of our child shell. */
/* Loop until child_handler or reap_children() sets
shell_function_completed to the status of our child shell. */
while (shell_function_completed == 0)
reap_children (1, 0);