43 lines
847 B
C
43 lines
847 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include "Pish.h"
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// Dummy function for Pish to run
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char* getcmd(void)
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{
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;
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}
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// Dummy function for Pish to run
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void exec(char* command)
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{
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;
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}
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void Pish(void)
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{
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while (1)
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{
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char *cmd = getcmd();
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int retval = fork();
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if (retval == 0)
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{
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// This is the child process
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// Setup the child's process environment here
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// E.g., where is standard I/O, how to handle signals?
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exec(cmd);
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// exec does not return if it succeeds
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printf("ERROR: Could not execute %s\n", cmd);
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exit(1);
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} else {
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// This is the parent process; Wait for the child to finish
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int pid = retval;
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wait(pid);
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}
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}
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}
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