pid_t forkchild_fd(int *sin, int *sout, int *serr,
const char *path, char * const argv[])
{
pid_t pid;
int sinfds[2];
int soutfds[2];
int serrfds[2];
if((sin && pipe(sinfds))
|| (sout && pipe(soutfds))
|| (serr && pipe(serrfds)))
return -1;
if(sin) *sin=sinfds[1];
if(sout) *sout=soutfds[0];
if(serr) *serr=serrfds[0];
pid=do_forkchild(sin?sinfds[0]:-1, sout?soutfds[1]:-1,
serr?serrfds[1]:-1, path, argv);
if(sin) close(sinfds[0]);
if(sout) close(soutfds[1]);
if(serr) close(serrfds[1]);
return pid;
}
pid_t forkchild(struct fzp **sin, struct fzp **sout, struct fzp **serr,
const char *path, char * const argv[])
{
pid_t pid;
int sinfds[2];
int soutfds[2];
int serrfds[2];
if((sin && pipe(sinfds))
|| (sout && pipe(soutfds))
|| (serr && pipe(serrfds)))
return -1;
if((sin && !(*sin=fzp_dopen(sinfds[1], "w")))
|| (sout && !(*sout=fzp_dopen(soutfds[0], "r")))
|| (serr && !(*serr=fzp_dopen(serrfds[0], "r"))))
return -1;
pid=do_forkchild(sin?sinfds[0]:-1, sout?soutfds[1]:-1,
serr?serrfds[1]:-1, path, argv);
if(sin) close(sinfds[0]);
if(sout) close(soutfds[1]);
if(serr) close(serrfds[1]);
return pid;
}
pid_t forkchild_no_wait(FILE **sin, FILE **sout, FILE **serr,
const char *path, char * const argv[])
{
return do_forkchild(sin, sout, serr, path, argv, 0 /* do not wait */);
}
pid_t forkchild(FILE **sin, FILE **sout, FILE **serr,
const char *path, char * const argv[])
{
return do_forkchild(sin, sout, serr, path, argv, 1 /* wait */);
}
