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ensure that file handles are never double closed

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6485 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-09-01 19:44:51 +00:00
parent 25f3403b21
commit 0361052ae1
1 changed files with 13 additions and 10 deletions
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23
apps/app_externalivr.c
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@@ -302,9 +302,6 @@ static int app_exec(struct ast_channel *chan, void *data)
dup2(child_stdin[0], STDIN_FILENO);
dup2(child_stdout[1], STDOUT_FILENO);
dup2(child_stderr[1], STDERR_FILENO);
close(child_stdin[1]);
close(child_stdout[0]);
close(child_stderr[0]);
for (i = STDERR_FILENO + 1; i < 1024; i++)
close(i);
execv(command, argv);
@@ -323,8 +320,11 @@ static int app_exec(struct ast_channel *chan, void *data)
struct ast_channel *rchan;
close(child_stdin[0]);
child_stdin[0] = 0;
close(child_stdout[1]);
child_stdout[1] = 0;
close(child_stderr[1]);
child_stderr[1] = 0;
if (!(child_events = fdopen(child_events_fd, "w"))) {
ast_chan_log(LOG_WARNING, chan, "Could not open stream for child events\n");
@@ -505,20 +505,23 @@ static int app_exec(struct ast_channel *chan, void *data)
if (child_errors)
fclose(child_errors);
if (child_stdin[0]) {
if (child_stdin[0])
close(child_stdin[0]);
if (child_stdin[1])
close(child_stdin[1]);
}
if (child_stdout[0]) {
if (child_stdout[0])
close(child_stdout[0]);
close(child_stdout[1]);
}
if (child_stderr[0]) {
if (child_stdout[1])
close(child_stdout[1]);
if (child_stderr[0])
close(child_stderr[0]);
if (child_stderr[1])
close(child_stderr[1]);
}
if (u) {
while ((entry = AST_LIST_REMOVE_HEAD(&u->playlist, list)))