source: tests/meta/fork+exec.cfa

//
// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// fork+exec.cfa -- Check that we can use fork+exec to test parameters.
//
// Author           : Thierry Delisle
// Created On       : Wed Sep 27 10:44:38 2022
// Last Modified By :
// Last Modified On :
// Update Count     :
//

#include "fork+exec.hfa"

int main(int argc, char * argv[]) {
        check_main(argv[0]);

        printf("arguments are:\n");
        if(argc == 1) printf("    None\n");
        for(int i = 1; i < argc; i++) {
                printf("    '%s'\n", argv[i]);
        }

        printf("Success!\n");
        fflush(stdout);
        return 0;
}



int true_main(const char * path, char * env[]) {
        printf("no arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, path, (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 1 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }

        printf("1 arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, path, "Hello World!", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }

        printf("5 arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, path, "Hi,", "my", "name", "is", "Fred", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 3 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }

        printf("All Done!\n");

        return 0;
}