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Use dup2() instead of dup() when executing child processes (more portable, due to use of STD*_FILENO?)

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This commit is contained in:
Juan Jose Garcia Ripoll 2011-02-27 16:23:13 +01:00
parent 4fd77c7963
commit 0e644e3340
1 changed files with 3 additions and 6 deletions
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9
src/c/unixsys.d
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@ -549,14 +549,11 @@ make_windows_handle(HANDLE h)
/* Child */
int j;
void **argv_ptr = (void **)argv->vector.self.t;
close(0);
dup(child_stdin);
dup2(child_stdin, STDIN_FILENO);
if (parent_write) close(parent_write);
close(1);
dup(child_stdout);
dup2(child_stdout, STDOUT_FILENO);
if (parent_read) close(parent_read);
close(2);
dup(child_stderr);
dup2(child_stderr, STDERR_FILENO);
for (j = 0; j < argv->vector.fillp; j++) {
cl_object arg = argv->vector.self.t[j];
if (arg == Cnil) {