C++ (Cpp) check_noerr_string Examples

Example #1

File: mount_darwin.c Project: JackieXie168/fuse

static int
loadkmod(void)
{
	int result = -1;
	int pid, terminated_pid;
	union wait status;
	long major;
	char *load_prog_path;
    
	major = fuse_os_version_major_np();

	if (major < OSXFUSE_MIN_DARWIN_VERSION) {
		/* This is not a supported version of Mac OS X */
		return EINVAL;
	}
    
	load_prog_path = fuse_resource_path(OSXFUSE_LOAD_PROG);
	if (!load_prog_path) {
		fprintf(stderr, "fuse: load program missing\n");
		goto Return;
	}

#ifdef MACFUSE_MODE
	if (osxfuse_is_macfuse_mode_enabled()) {
		setenv(OSXFUSE_MACFUSE_MODE_ENV, "1", 1);
	}
#endif

	pid = fork();

	if (pid == 0) {
		result = execl(load_prog_path, load_prog_path, NULL);

		/* exec failed */
		check_noerr_string(result, strerror(errno));
		_exit(1);
	}

	free(load_prog_path);

	require_action(pid != -1, Return, result = errno);

	while ((terminated_pid = wait4(pid, (int *)&status, 0, NULL)) < 0) {
		/* retry if EINTR, else break out with error */
		if (errno != EINTR) {
			break;
		}
	}

	if ((terminated_pid == pid) && (WIFEXITED(status))) {
		result = WEXITSTATUS(status);
	} else {
		result = -1;
	}

Return:
	check_noerr_string(result, strerror(errno));

	return result;
}

Example #2

static int
load_kext(void)
{
    int result = -1;
    int pid, terminated_pid;
    union wait status;
    long major;
    char *load_prog_path;

    major = fuse_os_version_major_np();

    if (major < OSXFUSE_MIN_DARWIN_VERSION) {
        /* This is not a supported version of macOS */
        return EINVAL;
    }

    load_prog_path = OSXFUSE_LOAD_PROG;
    if (!load_prog_path) {
        fprintf(stderr, "fuse: load program missing\n");
        goto Return;
    }

    pid = fork();

    if (pid == 0) {
        /* Drop saved set-user-ID */
        setuid(getuid());
        setgid(getgid());

        result = execl(load_prog_path, load_prog_path, NULL);

        /* exec failed */
        check_noerr_string(result, strerror(errno));
        _exit(1);
    }

    require_action(pid != -1, Return, result = errno);

    while ((terminated_pid = wait4(pid, (int *)&status, 0, NULL)) < 0) {
        /* retry if EINTR, else break out with error */
        if (errno != EINTR) {
            break;
        }
    }

    if ((terminated_pid == pid) && (WIFEXITED(status))) {
        result = WEXITSTATUS(status);
    } else {
        result = -1;
    }

Return:
    check_noerr_string(result, strerror(errno));

    return result;
}

Example #3

File: mount_darwin.c Project: Kaushikbv/glusterfs

static int
loadkmod(void)
{
    int result = -1;
    int pid, terminated_pid;
    union wait status;
    long major;

    major = fuse_os_version_major_np();

    if (major < 9) { /* not Mac OS X 10.5+ */
        return EINVAL;
    }

    pid = fork();

    if (pid == 0) {
        execl(MACFUSE_LOAD_PROG, MACFUSE_LOAD_PROG, NULL);

        /* exec failed */
        exit(ENOENT);
    }

    require_action(pid != -1, Return, result = errno);

    while ((terminated_pid = wait4(pid, (int *)&status, 0, NULL)) < 0) {
        /* retry if EINTR, else break out with error */
        if (errno != EINTR) {
            break;
        }
    }

    if ((terminated_pid == pid) && (WIFEXITED(status))) {
        result = WEXITSTATUS(status);
    } else {
        result = -1;
    }

Return:
    check_noerr_string(result, strerror(errno));

    return result;
}