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https://github.com/fish-shell/fish-shell
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7cc99a2d80
Initially I wanted to pick a different name to avoid confusion with process groups, but really job trees *are* process groups. So name them to reflect that fact. Also rename "placeholder" to "internal" which is clearer.
43 lines
1.6 KiB
C++
43 lines
1.6 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 <stddef.h>
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#include <vector>
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#include "common.h"
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#include "proc.h"
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/// Pipe redirection error message.
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#define PIPE_ERROR _(L"An error occurred while setting up pipe")
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/// Execute the processes specified by \p j in the parser \p.
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bool exec_job(parser_t &parser, const std::shared_ptr<job_t> &j, 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, wcstring_list_t &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, wcstring_list_t &outputs);
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/// Loops over close until the syscall was run without being interrupted.
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void exec_close(int fd);
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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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