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Fix handling of closed stdin/stdout/stderr on mingw.

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This commit is contained in:
Bruno Haible
2009-07-19 12:45:28 +02:00
parent 4efe06bb8c
commit a1ccba770f
5 changed files with 126 additions and 34 deletions
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12
lib/execute.c
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@@ -119,11 +119,11 @@ execute (const char *progname,
/* Save standard file handles of parent process. */
if (null_stdin)
orig_stdin = dup_noinherit (STDIN_FILENO);
orig_stdin = dup_safer_noinherit (STDIN_FILENO);
if (null_stdout)
orig_stdout = dup_noinherit (STDOUT_FILENO);
orig_stdout = dup_safer_noinherit (STDOUT_FILENO);
if (null_stderr)
orig_stderr = dup_noinherit (STDERR_FILENO);
orig_stderr = dup_safer_noinherit (STDERR_FILENO);
exitcode = -1;
/* Create standard file handles of child process. */
@@ -173,11 +173,11 @@ execute (const char *progname,
/* Restore standard file handles of parent process. */
if (null_stderr)
dup2 (orig_stderr, STDERR_FILENO), close (orig_stderr);
undup_safer_noinherit (orig_stderr, STDERR_FILENO);
if (null_stdout)
dup2 (orig_stdout, STDOUT_FILENO), close (orig_stdout);
undup_safer_noinherit (orig_stdout, STDOUT_FILENO);
if (null_stdin)
dup2 (orig_stdin, STDIN_FILENO), close (orig_stdin);
undup_safer_noinherit (orig_stdin, STDIN_FILENO);
if (termsigp != NULL)
*termsigp = 0;