mirror of
https://github.com/fish-shell/fish-shell
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45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
// Prototypes for functions for executing a program.
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#ifndef FISH_EXEC_H
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#define FISH_EXEC_H
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#include "config.h"
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#include <csignal>
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#include <memory>
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#include "flog.h"
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#include "io.h"
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#include "proc.h"
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class parser_t;
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/// Execute the processes specified by \p j in the parser \p.
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/// On a true return, the job was successfully launched and the parser will take responsibility for
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/// cleaning it up. On a false return, the job could not be launched and the caller must clean it
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/// up.
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__warn_unused bool exec_job(parser_t &parser, const std::shared_ptr<job_t> &j,
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const io_chain_t &block_io);
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/// Evaluate a command.
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///
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/// \param cmd the command to execute
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/// \param parser the parser with which to execute code
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/// \param outputs the list to insert output into.
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/// \param apply_exit_status if set, update $status within the parser, otherwise do not.
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///
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/// \return a value appropriate for populating $status.
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int exec_subshell(const wcstring &cmd, parser_t &parser, bool apply_exit_status);
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int exec_subshell(const wcstring &cmd, parser_t &parser, std::vector<wcstring> &outputs,
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bool apply_exit_status);
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/// Like exec_subshell, but only returns expansion-breaking errors. That is, a zero return means
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/// "success" (even though the command may have failed), a non-zero return means that we should
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/// halt expansion. If the \p pgid is supplied, then any spawned external commands should join that
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/// pgroup.
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int exec_subshell_for_expand(const wcstring &cmd, parser_t &parser,
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const job_group_ref_t &job_group, std::vector<wcstring> &outputs);
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/// Add signals that should be masked for external processes in this job.
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bool blocked_signals_for_job(const job_t &job, sigset_t *sigmask);
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#endif
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