+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
***/
#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
#include <string.h>
-#include <sys/types.h>
#include <sys/wait.h>
-#include <sys/xattr.h>
#include <unistd.h>
-#include "alloc-util.h"
-#include "conf-parser.h"
#include "def.h"
-#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
-#include "fstab-util.h"
-#include "glob-util.h"
-#include "io-util.h"
-#include "mkdir.h"
#include "parse-util.h"
-#include "path-util.h"
-#include "proc-cmdline.h"
-#include "process-util.h"
+#include "raw-clone.h"
#include "rm-rf.h"
-#include "signal-util.h"
-#include "special.h"
-#include "stat-util.h"
#include "string-util.h"
-#include "strv.h"
-#include "user-util.h"
#include "util.h"
-#include "virt.h"
-#include "xattr-util.h"
static void test_align_power2(void) {
unsigned long i, p2;
assert_se(CLAMP(CLAMP(0, -10, 10), CLAMP(-5, 10, 20), CLAMP(100, -5, 20)) == 10);
}
+#pragma GCC diagnostic push
+#ifdef __clang__
+# pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
+
static void test_container_of(void) {
struct mytype {
uint8_t pad1[3];
v1) == &myval);
}
+#pragma GCC diagnostic pop
+
static void test_div_round_up(void) {
int div;
assert_se(0xfffffffdU / 10U + !!(0xfffffffdU % 10U) == 429496730U);
}
-static void test_close_many(void) {
- int fds[3];
- char name0[] = "/tmp/test-close-many.XXXXXX";
- char name1[] = "/tmp/test-close-many.XXXXXX";
- char name2[] = "/tmp/test-close-many.XXXXXX";
-
- fds[0] = mkostemp_safe(name0, O_RDWR|O_CLOEXEC);
- fds[1] = mkostemp_safe(name1, O_RDWR|O_CLOEXEC);
- fds[2] = mkostemp_safe(name2, O_RDWR|O_CLOEXEC);
-
- close_many(fds, 2);
-
- assert_se(fcntl(fds[0], F_GETFD) == -1);
- assert_se(fcntl(fds[1], F_GETFD) == -1);
- assert_se(fcntl(fds[2], F_GETFD) >= 0);
-
- safe_close(fds[2]);
-
- unlink(name0);
- unlink(name1);
- unlink(name2);
-}
-
-static void test_parse_uid(void) {
- int r;
- uid_t uid;
-
- r = parse_uid("100", &uid);
- assert_se(r == 0);
- assert_se(uid == 100);
-
- r = parse_uid("65535", &uid);
- assert_se(r == -ENXIO);
-
- r = parse_uid("asdsdas", &uid);
- assert_se(r == -EINVAL);
-}
-
static void test_u64log2(void) {
assert_se(u64log2(0) == 0);
assert_se(u64log2(8) == 3);
assert_se(errno == 12);
}
-static void test_config_parse_iec_uint64(void) {
- uint64_t offset = 0;
- assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
- assert_se(offset == 4 * 1024 * 1024);
-
- assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
-}
-
-static void test_fstab_node_to_udev_node(void) {
- char *n;
-
- n = fstab_node_to_udev_node("LABEL=applé/jack");
- puts(n);
- assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
- free(n);
-
- n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
- puts(n);
- assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
- free(n);
-
- n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
- puts(n);
- assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
- free(n);
-
- n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
- puts(n);
- assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
- free(n);
-
- n = fstab_node_to_udev_node("PONIES=awesome");
- puts(n);
- assert_se(streq(n, "PONIES=awesome"));
- free(n);
-
- n = fstab_node_to_udev_node("/dev/xda1");
- puts(n);
- assert_se(streq(n, "/dev/xda1"));
- free(n);
-}
-
-static void test_get_files_in_directory(void) {
- _cleanup_strv_free_ char **l = NULL, **t = NULL;
-
- assert_se(get_files_in_directory("/tmp", &l) >= 0);
- assert_se(get_files_in_directory(".", &t) >= 0);
- assert_se(get_files_in_directory(".", NULL) >= 0);
-}
-
static void test_in_set(void) {
assert_se(IN_SET(1, 1));
assert_se(IN_SET(1, 1, 2, 3, 4));
assert_se(!IN_SET(0, 1, 2, 3, 4));
}
-static void test_writing_tmpfile(void) {
- char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
- _cleanup_free_ char *contents = NULL;
- size_t size;
- int fd, r;
- struct iovec iov[3];
-
- IOVEC_SET_STRING(iov[0], "abc\n");
- IOVEC_SET_STRING(iov[1], ALPHANUMERICAL "\n");
- IOVEC_SET_STRING(iov[2], "");
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- printf("tmpfile: %s", name);
-
- r = writev(fd, iov, 3);
- assert_se(r >= 0);
-
- r = read_full_file(name, &contents, &size);
- assert_se(r == 0);
- printf("contents: %s", contents);
- assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
-
- unlink(name);
-}
-
static void test_log2i(void) {
assert_se(log2i(1) == 0);
assert_se(log2i(2) == 1);
assert_se(log2i(INT_MAX) == sizeof(int)*8-2);
}
-static void test_filename_is_valid(void) {
- char foo[FILENAME_MAX+2];
- int i;
-
- assert_se(!filename_is_valid(""));
- assert_se(!filename_is_valid("/bar/foo"));
- assert_se(!filename_is_valid("/"));
- assert_se(!filename_is_valid("."));
- assert_se(!filename_is_valid(".."));
-
- for (i=0; i<FILENAME_MAX+1; i++)
- foo[i] = 'a';
- foo[FILENAME_MAX+1] = '\0';
-
- assert_se(!filename_is_valid(foo));
-
- assert_se(filename_is_valid("foo_bar-333"));
- assert_se(filename_is_valid("o.o"));
-}
-
-static void test_files_same(void) {
- _cleanup_close_ int fd = -1;
- char name[] = "/tmp/test-files_same.XXXXXX";
- char name_alias[] = "/tmp/test-files_same.alias";
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- assert_se(symlink(name, name_alias) >= 0);
-
- assert_se(files_same(name, name));
- assert_se(files_same(name, name_alias));
-
- unlink(name);
- unlink(name_alias);
-}
-
-static void test_file_in_same_dir(void) {
- char *t;
-
- t = file_in_same_dir("/", "a");
- assert_se(streq(t, "/a"));
- free(t);
-
- t = file_in_same_dir("/", "/a");
- assert_se(streq(t, "/a"));
- free(t);
-
- t = file_in_same_dir("", "a");
- assert_se(streq(t, "a"));
- free(t);
-
- t = file_in_same_dir("a/", "a");
- assert_se(streq(t, "a/a"));
- free(t);
-
- t = file_in_same_dir("bar/foo", "bar");
- assert_se(streq(t, "bar/bar"));
- free(t);
-}
-
-static void test_close_nointr(void) {
- char name[] = "/tmp/test-test-close_nointr.XXXXXX";
- int fd;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- assert_se(close_nointr(fd) >= 0);
- assert_se(close_nointr(fd) < 0);
-
- unlink(name);
-}
-
-
-static void test_unlink_noerrno(void) {
- char name[] = "/tmp/test-close_nointr.XXXXXX";
- int fd;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- assert_se(close_nointr(fd) >= 0);
-
- {
- PROTECT_ERRNO;
- errno = -42;
- assert_se(unlink_noerrno(name) >= 0);
- assert_se(errno == -42);
- assert_se(unlink_noerrno(name) < 0);
- assert_se(errno == -42);
- }
-}
-
-static void test_readlink_and_make_absolute(void) {
- char tempdir[] = "/tmp/test-readlink_and_make_absolute";
- char name[] = "/tmp/test-readlink_and_make_absolute/original";
- char name2[] = "test-readlink_and_make_absolute/original";
- char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
- char *r = NULL;
-
- assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
- assert_se(touch(name) >= 0);
-
- assert_se(symlink(name, name_alias) >= 0);
- assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
- assert_se(streq(r, name));
- free(r);
- assert_se(unlink(name_alias) >= 0);
-
- assert_se(chdir(tempdir) >= 0);
- assert_se(symlink(name2, name_alias) >= 0);
- assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
- assert_se(streq(r, name));
- free(r);
- assert_se(unlink(name_alias) >= 0);
-
- assert_se(rm_rf(tempdir, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
-}
-
-static void test_ignore_signals(void) {
- assert_se(ignore_signals(SIGINT, -1) >= 0);
- assert_se(kill(getpid(), SIGINT) >= 0);
- assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0);
- assert_se(kill(getpid(), SIGUSR1) >= 0);
- assert_se(kill(getpid(), SIGUSR2) >= 0);
- assert_se(kill(getpid(), SIGTERM) >= 0);
- assert_se(kill(getpid(), SIGPIPE) >= 0);
- assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0);
-}
-
-static void test_is_symlink(void) {
- char name[] = "/tmp/test-is_symlink.XXXXXX";
- char name_link[] = "/tmp/test-is_symlink.link";
- _cleanup_close_ int fd = -1;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- assert_se(symlink(name, name_link) >= 0);
-
- assert_se(is_symlink(name) == 0);
- assert_se(is_symlink(name_link) == 1);
- assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
-
-
- unlink(name);
- unlink(name_link);
-}
-
-static void test_search_and_fopen(void) {
- const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL};
- char name[] = "/tmp/test-search_and_fopen.XXXXXX";
- int fd = -1;
- int r;
- FILE *f;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- close(fd);
-
- r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
- assert_se(r >= 0);
- fclose(f);
-
- r = search_and_fopen(name, "r", NULL, dirs, &f);
- assert_se(r >= 0);
- fclose(f);
-
- r = search_and_fopen(basename(name), "r", "/", dirs, &f);
- assert_se(r >= 0);
- fclose(f);
-
- r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
- assert_se(r < 0);
- r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
- assert_se(r < 0);
-
- r = unlink(name);
- assert_se(r == 0);
-
- r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
- assert_se(r < 0);
-}
-
-
-static void test_search_and_fopen_nulstr(void) {
- const char dirs[] = "/tmp/foo/bar\0/tmp\0";
- char name[] = "/tmp/test-search_and_fopen.XXXXXX";
- int fd = -1;
- int r;
- FILE *f;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- close(fd);
-
- r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
- assert_se(r >= 0);
- fclose(f);
-
- r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f);
- assert_se(r >= 0);
- fclose(f);
-
- r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
- assert_se(r < 0);
- r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
- assert_se(r < 0);
-
- r = unlink(name);
- assert_se(r == 0);
-
- r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
- assert_se(r < 0);
-}
-
-static void test_glob_exists(void) {
- char name[] = "/tmp/test-glob_exists.XXXXXX";
- int fd = -1;
- int r;
-
- fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
- assert_se(fd >= 0);
- close(fd);
-
- r = glob_exists("/tmp/test-glob_exists*");
- assert_se(r == 1);
-
- r = unlink(name);
- assert_se(r == 0);
- r = glob_exists("/tmp/test-glob_exists*");
- assert_se(r == 0);
-}
-
-static void test_execute_directory(void) {
- char template_lo[] = "/tmp/test-readlink_and_make_absolute-lo.XXXXXXX";
- char template_hi[] = "/tmp/test-readlink_and_make_absolute-hi.XXXXXXX";
- const char * dirs[] = {template_hi, template_lo, NULL};
- const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
-
- assert_se(mkdtemp(template_lo));
- assert_se(mkdtemp(template_hi));
-
- name = strjoina(template_lo, "/script");
- name2 = strjoina(template_hi, "/script2");
- name3 = strjoina(template_lo, "/useless");
- overridden = strjoina(template_lo, "/overridden");
- override = strjoina(template_hi, "/overridden");
- masked = strjoina(template_lo, "/masked");
- mask = strjoina(template_hi, "/masked");
-
- assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works", WRITE_STRING_FILE_CREATE) == 0);
- assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2", WRITE_STRING_FILE_CREATE) == 0);
- assert_se(write_string_file(overridden, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0);
- assert_se(write_string_file(override, "#!/bin/sh\necho 'Executing '$0", WRITE_STRING_FILE_CREATE) == 0);
- assert_se(write_string_file(masked, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0);
- assert_se(symlink("/dev/null", mask) == 0);
- assert_se(chmod(name, 0755) == 0);
- assert_se(chmod(name2, 0755) == 0);
- assert_se(chmod(overridden, 0755) == 0);
- assert_se(chmod(override, 0755) == 0);
- assert_se(chmod(masked, 0755) == 0);
- assert_se(touch(name3) >= 0);
-
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL);
-
- assert_se(chdir(template_lo) == 0);
- assert_se(access("it_works", F_OK) >= 0);
- assert_se(access("failed", F_OK) < 0);
-
- assert_se(chdir(template_hi) == 0);
- assert_se(access("it_works2", F_OK) >= 0);
- assert_se(access("failed", F_OK) < 0);
-
- (void) rm_rf(template_lo, REMOVE_ROOT|REMOVE_PHYSICAL);
- (void) rm_rf(template_hi, REMOVE_ROOT|REMOVE_PHYSICAL);
-}
-
-static int parse_item(const char *key, const char *value) {
- assert_se(key);
-
- log_info("kernel cmdline option <%s> = <%s>", key, strna(value));
- return 0;
-}
-
-static void test_parse_proc_cmdline(void) {
- assert_se(parse_proc_cmdline(parse_item) >= 0);
-}
-
static void test_raw_clone(void) {
pid_t parent, pid, pid2;
log_info("before clone: getpid()→"PID_FMT, parent);
assert_se(raw_getpid() == parent);
- pid = raw_clone(0, NULL);
+ pid = raw_clone(0);
assert_se(pid >= 0);
pid2 = raw_getpid();
}
}
-static void test_same_fd(void) {
- _cleanup_close_pair_ int p[2] = { -1, -1 };
- _cleanup_close_ int a = -1, b = -1, c = -1;
-
- assert_se(pipe2(p, O_CLOEXEC) >= 0);
- assert_se((a = dup(p[0])) >= 0);
- assert_se((b = open("/dev/null", O_RDONLY|O_CLOEXEC)) >= 0);
- assert_se((c = dup(a)) >= 0);
-
- assert_se(same_fd(p[0], p[0]) > 0);
- assert_se(same_fd(p[1], p[1]) > 0);
- assert_se(same_fd(a, a) > 0);
- assert_se(same_fd(b, b) > 0);
-
- assert_se(same_fd(a, p[0]) > 0);
- assert_se(same_fd(p[0], a) > 0);
- assert_se(same_fd(c, p[0]) > 0);
- assert_se(same_fd(p[0], c) > 0);
- assert_se(same_fd(a, c) > 0);
- assert_se(same_fd(c, a) > 0);
-
- assert_se(same_fd(p[0], p[1]) == 0);
- assert_se(same_fd(p[1], p[0]) == 0);
- assert_se(same_fd(p[0], b) == 0);
- assert_se(same_fd(b, p[0]) == 0);
- assert_se(same_fd(p[1], a) == 0);
- assert_se(same_fd(a, p[1]) == 0);
- assert_se(same_fd(p[1], b) == 0);
- assert_se(same_fd(b, p[1]) == 0);
-
- assert_se(same_fd(a, b) == 0);
- assert_se(same_fd(b, a) == 0);
+static void test_physical_memory(void) {
+ uint64_t p;
+ char buf[FORMAT_BYTES_MAX];
+
+ p = physical_memory();
+ assert_se(p > 0);
+ assert_se(p < UINT64_MAX);
+ assert_se(p % page_size() == 0);
+
+ log_info("Memory: %s (%" PRIu64 ")", format_bytes(buf, sizeof(buf), p), p);
}
-static void test_uid_ptr(void) {
+static void test_physical_memory_scale(void) {
+ uint64_t p;
- assert_se(UID_TO_PTR(0) != NULL);
- assert_se(UID_TO_PTR(1000) != NULL);
+ p = physical_memory();
- assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
- assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
-}
+ assert_se(physical_memory_scale(0, 100) == 0);
+ assert_se(physical_memory_scale(100, 100) == p);
-static void test_sparse_write_one(int fd, const char *buffer, size_t n) {
- char check[n];
+ log_info("Memory original: %" PRIu64, physical_memory());
+ log_info("Memory scaled by 50%%: %" PRIu64, physical_memory_scale(50, 100));
+ log_info("Memory divided by 2: %" PRIu64, physical_memory() / 2);
+ log_info("Page size: %zu", page_size());
- assert_se(lseek(fd, 0, SEEK_SET) == 0);
- assert_se(ftruncate(fd, 0) >= 0);
- assert_se(sparse_write(fd, buffer, n, 4) == (ssize_t) n);
+ /* There might be an uneven number of pages, hence permit these calculations to be half a page off... */
+ assert_se(page_size()/2 + physical_memory_scale(50, 100) - p/2 <= page_size());
+ assert_se(physical_memory_scale(200, 100) == p*2);
- assert_se(lseek(fd, 0, SEEK_CUR) == (off_t) n);
- assert_se(ftruncate(fd, n) >= 0);
+ assert_se(physical_memory_scale(0, 1) == 0);
+ assert_se(physical_memory_scale(1, 1) == p);
+ assert_se(physical_memory_scale(2, 1) == p*2);
- assert_se(lseek(fd, 0, SEEK_SET) == 0);
- assert_se(read(fd, check, n) == (ssize_t) n);
+ assert_se(physical_memory_scale(0, 2) == 0);
- assert_se(memcmp(buffer, check, n) == 0);
-}
+ assert_se(page_size()/2 + physical_memory_scale(1, 2) - p/2 <= page_size());
+ assert_se(physical_memory_scale(2, 2) == p);
+ assert_se(physical_memory_scale(4, 2) == p*2);
+
+ assert_se(physical_memory_scale(0, UINT32_MAX) == 0);
+ assert_se(physical_memory_scale(UINT32_MAX, UINT32_MAX) == p);
-static void test_sparse_write(void) {
- const char test_a[] = "test";
- const char test_b[] = "\0\0\0\0test\0\0\0\0";
- const char test_c[] = "\0\0test\0\0\0\0";
- const char test_d[] = "\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0\0\0\0";
- const char test_e[] = "test\0\0\0\0test";
- _cleanup_close_ int fd = -1;
- char fn[] = "/tmp/sparseXXXXXX";
-
- fd = mkostemp(fn, O_CLOEXEC);
- assert_se(fd >= 0);
- unlink(fn);
-
- test_sparse_write_one(fd, test_a, sizeof(test_a));
- test_sparse_write_one(fd, test_b, sizeof(test_b));
- test_sparse_write_one(fd, test_c, sizeof(test_c));
- test_sparse_write_one(fd, test_d, sizeof(test_d));
- test_sparse_write_one(fd, test_e, sizeof(test_e));
+ /* overflow */
+ assert_se(physical_memory_scale(UINT64_MAX/4, UINT64_MAX) == UINT64_MAX);
}
-static void test_tempfn(void) {
- char *ret = NULL, *p;
-
- assert_se(tempfn_xxxxxx("/foo/bar/waldo", NULL, &ret) >= 0);
- assert_se(streq_ptr(ret, "/foo/bar/.#waldoXXXXXX"));
- free(ret);
-
- assert_se(tempfn_xxxxxx("/foo/bar/waldo", "[miau]", &ret) >= 0);
- assert_se(streq_ptr(ret, "/foo/bar/.#[miau]waldoXXXXXX"));
- free(ret);
-
- assert_se(tempfn_random("/foo/bar/waldo", NULL, &ret) >= 0);
- assert_se(p = startswith(ret, "/foo/bar/.#waldo"));
- assert_se(strlen(p) == 16);
- assert_se(in_charset(p, "0123456789abcdef"));
- free(ret);
-
- assert_se(tempfn_random("/foo/bar/waldo", "[wuff]", &ret) >= 0);
- assert_se(p = startswith(ret, "/foo/bar/.#[wuff]waldo"));
- assert_se(strlen(p) == 16);
- assert_se(in_charset(p, "0123456789abcdef"));
- free(ret);
-
- assert_se(tempfn_random_child("/foo/bar/waldo", NULL, &ret) >= 0);
- assert_se(p = startswith(ret, "/foo/bar/waldo/.#"));
- assert_se(strlen(p) == 16);
- assert_se(in_charset(p, "0123456789abcdef"));
- free(ret);
-
- assert_se(tempfn_random_child("/foo/bar/waldo", "[kikiriki]", &ret) >= 0);
- assert_se(p = startswith(ret, "/foo/bar/waldo/.#[kikiriki]"));
- assert_se(strlen(p) == 16);
- assert_se(in_charset(p, "0123456789abcdef"));
- free(ret);
+static void test_system_tasks_max(void) {
+ uint64_t t;
+
+ t = system_tasks_max();
+ assert_se(t > 0);
+ assert_se(t < UINT64_MAX);
+
+ log_info("Max tasks: %" PRIu64, t);
}
-static void test_fgetxattrat_fake(void) {
- char t[] = "/var/tmp/xattrtestXXXXXX";
- _cleanup_close_ int fd = -1;
- const char *x;
- char v[3] = {};
- int r;
+static void test_system_tasks_max_scale(void) {
+ uint64_t t;
- assert_se(mkdtemp(t));
- x = strjoina(t, "/test");
- assert_se(touch(x) >= 0);
+ t = system_tasks_max();
- r = setxattr(x, "user.foo", "bar", 3, 0);
- if (r < 0 && errno == EOPNOTSUPP) /* no xattrs supported on /var/tmp... */
- goto cleanup;
- assert_se(r >= 0);
+ assert_se(system_tasks_max_scale(0, 100) == 0);
+ assert_se(system_tasks_max_scale(100, 100) == t);
- fd = open(t, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
- assert_se(fd >= 0);
+ assert_se(system_tasks_max_scale(0, 1) == 0);
+ assert_se(system_tasks_max_scale(1, 1) == t);
+ assert_se(system_tasks_max_scale(2, 1) == 2*t);
- assert_se(fgetxattrat_fake(fd, "test", "user.foo", v, 3, 0) >= 0);
- assert_se(memcmp(v, "bar", 3) == 0);
+ assert_se(system_tasks_max_scale(0, 2) == 0);
+ assert_se(system_tasks_max_scale(1, 2) == t/2);
+ assert_se(system_tasks_max_scale(2, 2) == t);
+ assert_se(system_tasks_max_scale(3, 2) == (3*t)/2);
+ assert_se(system_tasks_max_scale(4, 2) == t*2);
- safe_close(fd);
- fd = open("/", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY);
- assert_se(fd >= 0);
- assert_se(fgetxattrat_fake(fd, "usr", "user.idontexist", v, 3, 0) == -ENODATA);
+ assert_se(system_tasks_max_scale(0, UINT32_MAX) == 0);
+ assert_se(system_tasks_max_scale((UINT32_MAX-1)/2, UINT32_MAX-1) == t/2);
+ assert_se(system_tasks_max_scale(UINT32_MAX, UINT32_MAX) == t);
-cleanup:
- assert_se(unlink(x) >= 0);
- assert_se(rmdir(t) >= 0);
-}
+ /* overflow */
-static void test_runlevel_to_target(void) {
- assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
- assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
- assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
+ assert_se(system_tasks_max_scale(UINT64_MAX/4, UINT64_MAX) == UINT64_MAX);
}
int main(int argc, char *argv[]) {
test_max();
test_container_of();
test_div_round_up();
- test_close_many();
- test_parse_uid();
test_u64log2();
test_protect_errno();
- test_config_parse_iec_uint64();
- test_fstab_node_to_udev_node();
- test_get_files_in_directory();
test_in_set();
- test_writing_tmpfile();
test_log2i();
- test_filename_is_valid();
- test_files_same();
- test_file_in_same_dir();
- test_close_nointr();
- test_unlink_noerrno();
- test_readlink_and_make_absolute();
- test_ignore_signals();
- test_is_symlink();
- test_search_and_fopen();
- test_search_and_fopen_nulstr();
- test_glob_exists();
- test_execute_directory();
- test_parse_proc_cmdline();
test_raw_clone();
- test_same_fd();
- test_uid_ptr();
- test_sparse_write();
- test_tempfn();
- test_fgetxattrat_fake();
- test_runlevel_to_target();
+ test_physical_memory();
+ test_physical_memory_scale();
+ test_system_tasks_max();
+ test_system_tasks_max_scale();
return 0;
}
projects / thirdparty / systemd.git / blobdiff