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#include <grass/config.h>
#include <unistd.h>
#include <grass/gis.h>
/*************************************************************
* G_fork()
*
* Issue a system fork() call and protect the child from all
* signals (which it does by changing the process group for the child)
*
* returns:
* -1 fork failed.
* 0 child
* >0 parent
************************************************************/
int G_fork(void)
{
#ifdef __MINGW32__
return -1;
#else /* __MINGW32__ */
int pid;
pid = fork();
/*
* change the process group for the child (pid == 0)
* note: we use the BSD calling sequence, since
* it will work ok for ATT call which has no arguments
*/
if (pid == 0)
#ifdef SETPGRP_VOID
setpgrp();
#else
setpgrp(0, getpid());
#endif
return pid;
#endif /* __MINGW32__ */
}
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