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File: [cvs.NetBSD.org] / src / tests / rump / modautoload / t_modautoload.c (download)

Revision 1.6, Fri Jan 13 21:30:42 2017 UTC (5 years, 6 months ago) by christos
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, HEAD
Changes since 1.5: +2 -2 lines

Don't play with "../.." in includes for h_macros.h; deal with it centrally.
Minor fixes.

/*	$NetBSD: t_modautoload.c,v 1.6 2017/01/13 21:30:42 christos Exp $	*/

#include <sys/types.h>
#include <sys/mount.h>
#include <sys/module.h>
#include <sys/dirent.h>
#include <sys/sysctl.h>

#include <atf-c.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>

#include <rump/rump.h>
#include <rump/rump_syscalls.h>

#include <miscfs/kernfs/kernfs.h>

#include "h_macros.h"

ATF_TC_HEAD(modautoload, tc)

	atf_tc_set_md_var(tc, "descr", "tests that kernel module "
	    "autoload works in rump");

static void
	bool old_autoload, new_autoload;
	size_t old_len, new_len;
	int error;

	if (!rump_nativeabi_p())
		atf_tc_skip("host kernel modules not supported");


	if (rump_sys_mkdir("/kern", 0777) == -1)
		atf_tc_fail_errno("mkdir /kern");

	new_autoload = true;
	old_len = sizeof(old_autoload);
	new_len = sizeof(new_autoload);
	error = sysctlbyname("kern.module.autoload",
				  &old_autoload, &old_len,
				  &new_autoload, new_len);
	if (error != 0)
		atf_tc_fail_errno("could not enable module autoload");

	if (rump_sys_mount(MOUNT_KERNFS, "/kern", 0, NULL, 0) == -1)
		atf_tc_fail_errno("could not mount kernfs");

 * Why use kernfs here?  It talks to plenty of other parts with the
 * kernel (e.g. vfs_attach() in modcmd), but is still easy to verify
 * it's working correctly.

#define MAGICNUM 1323
ATF_TC_BODY(modautoload, tc)
	extern int rumpns_hz;
	char buf[64];
	int fd;

	rumpns_hz = MAGICNUM;
	if ((fd = rump_sys_open("/kern/hz", O_RDONLY)) == -1)
		atf_tc_fail_errno("open /kern/hz");
	if (rump_sys_read(fd, buf, sizeof(buf)) <= 0)
	ATF_REQUIRE(atoi(buf) == MAGICNUM);

	ATF_TP_ADD_TC(tp, modautoload);

	return atf_no_error();