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e206f0d602
This implements the ability for response file "@()" substitution to dynamically adjust to either expand the content or create the response file depending on the possible command line length. This should reduce the create of such response temp files improving build performance.
120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* Copyright 1993, 1995 Christopher Seiwald.
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*
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* This file is part of Jam - see jam.c for Copyright information.
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*/
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/*
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* execcmd.h - execute a shell script.
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*
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* Defines the interface to be implemented in platform specific implementation
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* modules as well as different shared utility functions prepared in the
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* execcmd.c module.
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*/
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#ifndef EXECCMD_H
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#define EXECCMD_H
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#include "config.h"
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#include "lists.h"
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#include "jam_strings.h"
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#include "timestamp.h"
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typedef struct timing_info
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{
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double system;
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double user;
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timestamp start;
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timestamp end;
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} timing_info;
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typedef void (* ExecCmdCallback)
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(
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void * const closure,
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int const status,
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timing_info const * const,
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char const * const cmd_stdout,
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char const * const cmd_stderr,
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int const cmd_exit_reason
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);
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/* Global initialization. Must be called after setting
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* globs.jobs. May be called multiple times. */
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void exec_init( void );
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/* Global cleanup */
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void exec_done( void );
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/* Status codes passed to ExecCmdCallback routines. */
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#define EXEC_CMD_OK 0
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#define EXEC_CMD_FAIL 1
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#define EXEC_CMD_INTR 2
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int exec_check
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(
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string const * command,
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LIST * * pShell,
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int32_t * error_length,
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int32_t * error_max_length
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);
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/* exec_check() return codes. */
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#define EXEC_CHECK_OK 101
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#define EXEC_CHECK_NOOP 102
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#define EXEC_CHECK_LINE_TOO_LONG 103
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#define EXEC_CHECK_TOO_LONG 104
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/* Prevents action output from being written
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* immediately to stdout/stderr.
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*/
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#define EXEC_CMD_QUIET 1
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void exec_cmd
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(
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string const * command,
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int flags,
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ExecCmdCallback func,
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void * closure,
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LIST * shell
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);
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void exec_wait();
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/******************************************************************************
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* *
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* Utility functions defined in the execcmd.c module. *
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* *
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******************************************************************************/
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/* Constructs a list of command-line elements using the format specified by the
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* given shell list.
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*/
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void argv_from_shell( char const * * argv, LIST * shell, char const * command,
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int32_t const slot );
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/* Interrupt routine bumping the internal interrupt counter. Needs to be
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* registered by platform specific exec*.c modules.
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*/
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void onintr( int disp );
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/* Returns whether an interrupt has been detected so far. */
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int interrupted( void );
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/* Checks whether the given shell list is actually a request to execute raw
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* commands without an external shell.
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*/
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int is_raw_command_request( LIST * shell );
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/* Utility worker for exec_check() checking whether all the given command lines
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* are under the specified length limit.
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*/
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int check_cmd_for_too_long_lines( char const * command, int32_t max,
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int32_t * const error_length, int32_t * const error_max_length );
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/* Maximum shell command line length.
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*/
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int32_t shell_maxline();
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#endif
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