int singularity_fork_exec(unsigned int flags, char **argv) {
int retval = 1;
int i = 0;
pid_t child;
child = singularity_fork(0);
if ( child == 0 ) {
while(1) {
if ( argv[i] == NULL ) {
break;
} else if ( i == 128 ) {
singularity_message(ERROR, "singularity_fork_exec() ARGV out of bounds\n");
ABORT(255);
}
singularity_message(DEBUG, "fork argv[%d] = %s\n", i, argv[i]);
i++;
}
singularity_message(VERBOSE, "Running child program: %s\n", argv[0]);
if ( execvp(argv[0], argv) < 0 ) { //Flawfinder: ignore
singularity_message(ERROR, "Failed to exec program %s: %s\n", argv[0], strerror(errno));
ABORT(255);
}
} else if ( child > 0 ) {
retval = wait_child();
}
singularity_message(DEBUG, "Returning from singularity_fork_exec with: %d\n", retval);
return(retval);
}
void singularity_fork_run(unsigned int flags) {
pid_t child;
int retval;
child = singularity_fork(flags);
if ( child == 0 ) {
return;
} else if ( child > 0 ) {
retval = wait_child();
exit(retval);
}
}
void singularity_fork_run(void) {
int tmpstatus;
int retval = 0;
pid_t child;
if ( ( child = singularity_fork() ) > 0 ) {
singularity_message(DEBUG, "Waiting on child process\n");
waitpid(child, &tmpstatus, 0);
retval = WEXITSTATUS(tmpstatus);
exit(retval);
}
return;
}
int singularity_fork_exec(char **argv) {
int tmpstatus;
int retval = 0;
pid_t child;
child = singularity_fork();
if ( child == 0 ) {
if ( execvp(argv[0], argv) < 0 ) { //Flawfinder: ignore
singularity_message(ERROR, "Failed to execv(%s, ...): %s\n", argv[0], strerror(errno));
ABORT(255);
}
} else if ( child > 0 ) {
singularity_message(DEBUG, "Waiting on child process\n");
waitpid(child, &tmpstatus, 0);
retval = WEXITSTATUS(tmpstatus);
}
return(retval);
}
int singularity_fork_daemonize(unsigned int flags) {
pid_t child;
child = singularity_fork(flags);
if ( child == 0 ) {
return(0);
} else if ( child > 0 ) {
singularity_message(DEBUG, "Successfully spawned daemon, waiting for signal_go_ahead from child\n");
int code = singularity_wait_for_go_ahead();
if ( code == 0 ) {
exit(0);
} else {
singularity_message(ERROR, "Daemon failed to start\n");
ABORT(code);
}
}
singularity_message(ERROR, "Reached unreachable code. How did you get here?\n");
ABORT(255);
return(0);
}
