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Code Issues 1 Releases Wiki Activity

Avoid prematurely closing file descriptors when redirecting IO

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This commit is contained in:
Michael Camilleri
2023-06-23 15:50:19 +09:00
parent c3f4dc0c15
commit f977ace7f8
2 changed files with 18 additions and 5 deletions
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6
src/core/os.c
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@@ -1145,14 +1145,16 @@ static Janet os_execute_impl(int32_t argc, Janet *argv, int is_spawn) {
posix_spawn_file_actions_addclose(&actions, pipe_in);
} else if (new_in != JANET_HANDLE_NONE && new_in != 0) {
posix_spawn_file_actions_adddup2(&actions, new_in, 0);
posix_spawn_file_actions_addclose(&actions, new_in);
if (new_in != new_out && new_in != new_err)
posix_spawn_file_actions_addclose(&actions, new_in);
}
if (pipe_out != JANET_HANDLE_NONE) {
posix_spawn_file_actions_adddup2(&actions, pipe_out, 1);
posix_spawn_file_actions_addclose(&actions, pipe_out);
} else if (new_out != JANET_HANDLE_NONE && new_out != 1) {
posix_spawn_file_actions_adddup2(&actions, new_out, 1);
posix_spawn_file_actions_addclose(&actions, new_out);
if (new_out != new_err)
posix_spawn_file_actions_addclose(&actions, new_out);
}
if (pipe_err != JANET_HANDLE_NONE) {
posix_spawn_file_actions_adddup2(&actions, pipe_err, 2);