88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/**
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* This is for backgrounding operations in SICS. They run in an own
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* task.
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*
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* copyright: see file COPYRIGHT
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*
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* Mark Koennecke, February 2009
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*/
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#include <sics.h>
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#include "splitter.h"
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#include "background.h"
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/*---------------------------------------------------------------------------*/
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typedef struct {
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SConnection *con;
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char *command;
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} BckTask, *pBckTask;
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/*---------------------------------------------------------------------------*/
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static void KillBckTask(void *data)
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{
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pBckTask self = (pBckTask) data;
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if (self == NULL) {
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return;
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}
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if (self->con) {
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SCDeleteConnection(self->con);
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}
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if (self->command) {
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free(self->command);
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}
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}
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/*---------------------------------------------------------------------------*/
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static int BackgroundTask(void *data)
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{
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pBckTask self = (pBckTask) data;
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assert(self != NULL);
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InterpExecute(pServ->pSics, self->con, self->command);
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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int BackgroundCommand(SConnection * pCon, char *command)
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{
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pBckTask self = NULL;
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self = calloc(1, sizeof(BckTask));
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if (self == NULL) {
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return 0;
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}
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self->con = SCCopyConnection(pCon);
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self->command = strdup(command);
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if (self->con == NULL || self->command == NULL) {
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free(self);
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return 0;
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}
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TaskRegister(pServ->pTasker, BackgroundTask, NULL, KillBckTask, self, 1);
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return 1;
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}
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/*------------------------------------------------------------------------*/
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int BackgroundAction(SConnection * pCon, SicsInterp * pSics,
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void *pData, int argc, char *argv[])
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{
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int status;
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char command[1024];
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memset(command, 0, 1024);
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Arg2Text(argc - 1, &argv[1], command, 1024);
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status = BackgroundCommand(pCon, command);
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if (status == 0) {
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SCWrite(pCon, "ERROR: out of memory starting task", eError);
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return 0;
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}
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SCSendOK(pCon);
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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void InstallBackground(SicsInterp * pSics)
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{
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AddCommand(pSics, "bg", BackgroundAction, NULL, NULL);
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}
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