54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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/*
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* DO NOT MODIFY THE CONTENTS OF THIS FILE.
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* IT WILL BE REPLACED DURING GRADING
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*/
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#include "syntax.h"
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/* Names of special store variables to hold results from job execution. */
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#define JOB_VAR "JOB"
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#define STATUS_VAR "STATUS"
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#define OUTPUT_VAR "OUTPUT"
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/*
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* If you find it convenient, you may assume that the maximum number of jobs
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* that can exist at one time is given by the following preprocessor symbol.
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* Your code should continue to work even if the particular value of this
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* symbol is changed before compilation.
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*/
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#define MAX_JOBS 10
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/* Functions in program store module. */
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int prog_list(FILE *out);
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int prog_insert(STMT *stmt);
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int prog_delete(int min, int max);
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void prog_reset();
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STMT *prog_fetch();
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STMT *prog_next();
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STMT *prog_goto(int lineno);
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/* Functions in data store module. */
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char *store_get_string(char *var);
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int store_get_int(char *var, long *valp);
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int store_set_string(char *var, char *val);
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int store_set_int(char *var, long val);
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void store_show(FILE *f);
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/* Functions in execution module. */
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int exec_interactive();
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int exec_stmt(STMT *stmt);
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char *eval_to_string(EXPR *expr);
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long eval_to_numeric(EXPR *expr);
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/* Functions in jobs module. */
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int jobs_init(void);
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int jobs_fini(void);
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int jobs_run(PIPELINE *pp);
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int jobs_expunge(int jobid);
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int jobs_wait(int jobid);
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int jobs_poll(int jobid);
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int jobs_cancel(int jobid);
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int jobs_pause(void);
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char *jobs_get_output(int jobid);
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int jobs_show(FILE *file);
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