basic/include: replace _Static_assert() with static_assert()

If one of the header is included in a C++ source file, then using
_Static_assert() triggers compile error for some reasons.
Let's use static_assert(), which can be used by both C and C++ code.

.github/workflows/unit_tests.sh

@@ -91,11 +91,18 @@ for phase in "${PHASES[@]}"; do
                     mv /etc/machine-id /etc/machine-id.bak
                 fi
             fi
+
+            # On ppc64le the workers are slower and some slow tests time out
+            MESON_TEST_ARGS=()
+            if [[ "$(uname -m)" != "x86_64" ]] && [[ "$(uname -m)" != "aarch64" ]]; then
+                MESON_TEST_ARGS+=(--timeout-multiplier=3)
+            fi
+
             MESON_ARGS+=(--fatal-meson-warnings)
             run_meson -Dnobody-group=nogroup --werror -Dtests=unsafe -Dslow-tests=true -Dfuzz-tests=true "${MESON_ARGS[@]}" build
             ninja -C build -v
             # Ensure setting a timezone (like the reproducible build tests do) does not break time/date unit tests
-            TZ=GMT+12 meson test -C build --print-errorlogs
+            TZ=GMT+12 meson test "${MESON_TEST_ARGS[@]}" -C build --print-errorlogs
             ;;
         RUN_ASAN_UBSAN|RUN_GCC_ASAN_UBSAN|RUN_CLANG_ASAN_UBSAN|RUN_CLANG_ASAN_UBSAN_NO_DEPS)
             MESON_ARGS=(--optimization=1)

hwdb.d/70-maker-tools.hwdb

@@ -68,5 +68,5 @@ usb:v2B71p000E*
 # PowerSpec Ultra 3DPrinter
 usb:v0315p0001*
 usb:v2B71p00F6*
-usb:v2B71p00FF
+usb:v2B71p00FF*
  ID_MAKER_TOOL=1

hwdb.d/meson.build

@@ -31,6 +31,7 @@ hwdb_files_test = files(
         '70-cameras.hwdb',
         '70-hardware-wallets.hwdb',
         '70-joystick.hwdb',
+        '70-maker-tools.hwdb',
         '70-mouse.hwdb',
         '70-pda.hwdb',
         '70-pointingstick.hwdb',

src/analyze/analyze-unit-shell.c

@@ -2,6 +2,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include "sd-bus.h"
 

src/basic/cgroup-util.c

@@ -933,28 +933,19 @@ int cg_path_decode_unit(const char *cgroup, char **ret_unit) {
 }
 
 static bool valid_slice_name(const char *p, size_t n) {
-
-        if (!p)
-                return false;
+        assert(p || n == 0);
 
         if (n < STRLEN("x.slice"))
                 return false;
 
-        if (memcmp(p + n - 6, ".slice", 6) == 0) {
-                char buf[n+1], *c;
+        char *c = strndupa_safe(p, n);
+        if (!endswith(c, ".slice"))
+                return false;
 
-                memcpy(buf, p, n);
-                buf[n] = 0;
-
-                c = cg_unescape(buf);
-
-                return unit_name_is_valid(c, UNIT_NAME_PLAIN);
-        }
-
-        return false;
+        return unit_name_is_valid(cg_unescape(c), UNIT_NAME_PLAIN);
 }
 
-static const char *skip_slices(const char *p) {
+static const char* skip_slices(const char *p) {
         assert(p);
 
         /* Skips over all slice assignments */
@@ -1005,7 +996,7 @@ int cg_path_get_unit_path(const char *path, char **ret) {
         if (!path_copy)
                 return -ENOMEM;
 
-        unit_name = (char *)skip_slices(path_copy);
+        unit_name = (char*) skip_slices(path_copy);
         unit_name[strcspn(unit_name, "/")] = 0;
 
         if (!unit_name_is_valid(cg_unescape(unit_name), UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
@@ -1052,12 +1043,11 @@ int cg_pidref_get_unit(const PidRef *pidref, char **ret) {
         return 0;
 }
 
-/**
- * Skip session-*.scope, but require it to be there.
- */
-static const char *skip_session(const char *p) {
+static const char* skip_session(const char *p) {
         size_t n;
 
+        /* Skip session-*.scope, but require it to be there. */
+
         if (isempty(p))
                 return NULL;
 
@@ -1067,34 +1057,29 @@ static const char *skip_session(const char *p) {
         if (n < STRLEN("session-x.scope"))
                 return NULL;
 
-        if (memcmp(p, "session-", 8) == 0 && memcmp(p + n - 6, ".scope", 6) == 0) {
-                char buf[n - 8 - 6 + 1];
+        const char *s = startswith(p, "session-");
+        if (!s)
+                return NULL;
 
-                memcpy(buf, p + 8, n - 8 - 6);
-                buf[n - 8 - 6] = 0;
+        /* Note that session scopes never need unescaping, since they cannot conflict with the kernel's
+         * own names, hence we don't need to call cg_unescape() here. */
+        char *f = strndupa_safe(s, p + n - s),
+             *e = endswith(f, ".scope");
+        if (!e)
+                return NULL;
+        *e = '\0';
 
-                /* Note that session scopes never need unescaping,
-                 * since they cannot conflict with the kernel's own
-                 * names, hence we don't need to call cg_unescape()
-                 * here. */
+        if (!session_id_valid(f))
+                return NULL;
 
-                if (!session_id_valid(buf))
-                        return NULL;
-
-                p += n;
-                p += strspn(p, "/");
-                return p;
-        }
-
-        return NULL;
+        return skip_leading_slash(p + n);
 }
 
-/**
- * Skip user@*.service or capsule@*.service, but require either of them to be there.
- */
-static const char *skip_user_manager(const char *p) {
+static const char* skip_user_manager(const char *p) {
         size_t n;
 
+        /* Skip user@*.service or capsule@*.service, but require either of them to be there. */
+
         if (isempty(p))
                 return NULL;
 
@@ -1119,26 +1104,14 @@ static const char *skip_user_manager(const char *p) {
         /* Note that user manager services never need unescaping, since they cannot conflict with the
          * kernel's own names, hence we don't need to call cg_unescape() here.  Prudently check validity of
          * instance names, they should be always valid as we validate them upon unit start. */
-        if (startswith(unit_name, "user@")) {
-                if (parse_uid(i, NULL) < 0)
-                        return NULL;
+        if (!(startswith(unit_name, "user@") && parse_uid(i, NULL) >= 0) &&
+            !(startswith(unit_name, "capsule@") && capsule_name_is_valid(i) > 0))
+                return NULL;
 
-                p += n;
-                p += strspn(p, "/");
-                return p;
-        } else if (startswith(unit_name, "capsule@")) {
-                if (capsule_name_is_valid(i) <= 0)
-                        return NULL;
-
-                p += n;
-                p += strspn(p, "/");
-                return p;
-        }
-
-        return NULL;
+        return skip_leading_slash(p + n);
 }
 
-static const char *skip_user_prefix(const char *path) {
+static const char* skip_user_prefix(const char *path) {
         const char *e, *t;
 
         assert(path);

src/basic/cgroup-util.h

@@ -226,7 +226,7 @@ int cg_pid_get_user_slice(pid_t pid, char **ret_slice);
 
 int cg_path_decode_unit(const char *cgroup, char **ret_unit);
 
-bool cg_needs_escape(const char *p);
+bool cg_needs_escape(const char *p) _pure_;
 int cg_escape(const char *p, char **ret);
 char* cg_unescape(const char *p) _pure_;
 

src/basic/fd-util.c

@@ -990,7 +990,7 @@ int fd_verify_safe_flags_full(int fd, int extra_flags) {
         return flags & (O_ACCMODE_STRICT | extra_flags); /* return the flags variable, but remove the noise */
 }
 
-int read_nr_open(void) {
+unsigned read_nr_open(void) {
         _cleanup_free_ char *nr_open = NULL;
         int r;
 
@@ -1001,9 +1001,9 @@ int read_nr_open(void) {
         if (r < 0)
                 log_debug_errno(r, "Failed to read /proc/sys/fs/nr_open, ignoring: %m");
         else {
-                int v;
+                unsigned v;
 
-                r = safe_atoi(nr_open, &v);
+                r = safe_atou(nr_open, &v);
                 if (r < 0)
                         log_debug_errno(r, "Failed to parse /proc/sys/fs/nr_open value '%s', ignoring: %m", nr_open);
                 else
@@ -1011,7 +1011,7 @@ int read_nr_open(void) {
         }
 
         /* If we fail, fall back to the hard-coded kernel limit of 1024 * 1024. */
-        return 1024 * 1024;
+        return NR_OPEN_DEFAULT;
 }
 
 int fd_get_diskseq(int fd, uint64_t *ret) {

src/basic/fd-util.h

@@ -50,6 +50,13 @@
  * around the problems with musl's definition. */
 #define O_ACCMODE_STRICT (O_RDONLY|O_WRONLY|O_RDWR)
 
+/* The default, minimum, and maximum values of /proc/sys/fs/nr_open. See kernel's fs/file.c.
+ * These values have been unchanged since kernel-2.6.26:
+ * https://github.com/torvalds/linux/commit/eceea0b3df05ed262ae32e0c6340cc7a3626632d */
+#define NR_OPEN_DEFAULT ((unsigned) (1024 * 1024))
+#define NR_OPEN_MINIMUM ((unsigned) (sizeof(long) * 8))
+#define NR_OPEN_MAXIMUM ((unsigned) (CONST_MIN((size_t) INT_MAX, SIZE_MAX / __SIZEOF_POINTER__) & ~(sizeof(long) * 8 - 1)))
+
 int close_nointr(int fd);
 int safe_close(int fd);
 void safe_close_pair(int p[static 2]);
@@ -148,7 +155,7 @@ static inline int fd_verify_safe_flags(int fd) {
         return fd_verify_safe_flags_full(fd, 0);
 }
 
-int read_nr_open(void);
+unsigned read_nr_open(void);
 int fd_get_diskseq(int fd, uint64_t *ret);
 
 int path_is_root_at(int dir_fd, const char *path);

src/basic/include/sched.h

@@ -8,19 +8,21 @@
 
 #include_next <sched.h>
 
+#include <assert.h>
+
 /* 769071ac9f20b6a447410c7eaa55d1a5233ef40c (5.8),
  * defined in sched.h since glibc-2.36. */
 #ifndef CLONE_NEWTIME
 #  define CLONE_NEWTIME 0x00000080
 #else
-_Static_assert(CLONE_NEWTIME == 0x00000080, "");
+static_assert(CLONE_NEWTIME == 0x00000080, "");
 #endif
 
 /* Not exposed yet. Defined at include/linux/sched.h */
 #ifndef PF_KTHREAD
 #  define PF_KTHREAD 0x00200000
 #else
-_Static_assert(PF_KTHREAD == 0x00200000, "");
+static_assert(PF_KTHREAD == 0x00200000, "");
 #endif
 
 /* The maximum thread/process name length including trailing NUL byte. This mimics the kernel definition of
@@ -31,5 +33,5 @@ _Static_assert(PF_KTHREAD == 0x00200000, "");
 #ifndef TASK_COMM_LEN
 #  define TASK_COMM_LEN 16
 #else
-_Static_assert(TASK_COMM_LEN == 16, "");
+static_assert(TASK_COMM_LEN == 16, "");
 #endif

src/basic/include/sys/mman.h

@@ -3,16 +3,18 @@
 
 #include_next <sys/mman.h>
 
+#include <assert.h>
+
 /* since glibc-2.38 */
 #ifndef MFD_NOEXEC_SEAL
 #  define MFD_NOEXEC_SEAL 0x0008U
 #else
-_Static_assert(MFD_NOEXEC_SEAL == 0x0008U, "");
+static_assert(MFD_NOEXEC_SEAL == 0x0008U, "");
 #endif
 
 /* since glibc-2.38 */
 #ifndef MFD_EXEC
 #  define MFD_EXEC 0x0010U
 #else
-_Static_assert(MFD_EXEC == 0x0010U, "");
+static_assert(MFD_EXEC == 0x0010U, "");
 #endif

src/basic/include/sys/random.h

@@ -3,9 +3,11 @@
 
 #include_next <sys/random.h>
 
+#include <assert.h>
+
 /* Defined since glibc-2.32. */
 #ifndef GRND_INSECURE
 #  define GRND_INSECURE 0x0004
 #else
-_Static_assert(GRND_INSECURE == 0x0004, "");
+static_assert(GRND_INSECURE == 0x0004, "");
 #endif

src/basic/include/sys/wait.h

@@ -3,9 +3,11 @@
 
 #include_next <sys/wait.h>
 
+#include <assert.h>
+
 /* since glibc-2.36 */
 #ifndef P_PIDFD
 #  define P_PIDFD 3
 #else
-_Static_assert(P_PIDFD == 3, "");
+static_assert(P_PIDFD == 3, "");
 #endif

src/basic/namespace-util.c

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include <fcntl.h>
+#include <sched.h>
 #include <sys/ioctl.h>
 #include <sys/mount.h>
 #include <unistd.h>

src/basic/string-table.c

@@ -42,6 +42,7 @@ int string_table_lookup_to_string_fallback(const char * const *table, size_t len
 
         if (i < 0 || i > (ssize_t) max)
                 return -ERANGE;
+
         if (i < (ssize_t) len && table[i]) {
                 s = strdup(table[i]);
                 if (!s)
@@ -54,14 +55,14 @@ int string_table_lookup_to_string_fallback(const char * const *table, size_t len
 }
 
 ssize_t string_table_lookup_from_string_fallback(const char * const *table, size_t len, const char *s, size_t max) {
-        unsigned u = 0;
-
         if (!s)
                 return -EINVAL;
 
         ssize_t i = string_table_lookup_from_string(table, len, s);
         if (i >= 0)
                 return i;
+
+        unsigned u;
         if (safe_atou(s, &u) < 0)
                 return -EINVAL;
         if (u > max)

src/core/cgroup.c

@@ -1993,8 +1993,7 @@ static int unit_watch_cgroup(Unit *u) {
 
         assert(u);
 
-        /* Watches the "cgroups.events" attribute of this unit's cgroup for "empty" events, but only if
-         * cgroupv2 is available. */
+        /* Watches the "cgroups.events" attribute of this unit's cgroup for "empty" events. */
 
         CGroupRuntime *crt = unit_get_cgroup_runtime(u);
         if (!crt || !crt->cgroup_path)
@@ -2038,8 +2037,7 @@ static int unit_watch_cgroup_memory(Unit *u) {
 
         assert(u);
 
-        /* Watches the "memory.events" attribute of this unit's cgroup for "oom_kill" events, but only if
-         * cgroupv2 is available. */
+        /* Watches the "memory.events" attribute of this unit's cgroup for "oom_kill" events. */
 
         CGroupRuntime *crt = unit_get_cgroup_runtime(u);
         if (!crt || !crt->cgroup_path)

src/core/dbus-execute.c

@@ -3028,7 +3028,7 @@ int bus_exec_context_set_transient_property(
                                 return r;
 
                         c->ioprio = ioprio_normalize(ioprio_prio_value(q, ioprio_prio_data(c->ioprio)));
-                        c->ioprio_set = true;
+                        c->ioprio_is_set = true;
 
                         unit_write_settingf(u, flags, name, "IOSchedulingClass=%s", s);
                 }
@@ -3047,7 +3047,7 @@ int bus_exec_context_set_transient_property(
 
                 if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
                         c->ioprio = ioprio_normalize(ioprio_prio_value(ioprio_prio_class(c->ioprio), p));
-                        c->ioprio_set = true;
+                        c->ioprio_is_set = true;
 
                         unit_write_settingf(u, flags, name, "IOSchedulingPriority=%i", p);
                 }

src/core/exec-invoke.c

@@ -5137,7 +5137,7 @@ int exec_invoke(
                 }
         }
 
-        if (context->ioprio_set)
+        if (context->ioprio_is_set)
                 if (ioprio_set(IOPRIO_WHO_PROCESS, 0, context->ioprio) < 0) {
                         *exit_status = EXIT_IOPRIO;
                         return log_error_errno(errno, "Failed to set up IO scheduling priority: %m");

src/core/execute-serialize.c

@@ -1253,16 +1253,13 @@ static int exec_parameters_serialize(const ExecParameters *p, const ExecContext
 }
 
 static int exec_parameters_deserialize(ExecParameters *p, FILE *f, FDSet *fds) {
-        int r, nr_open;
+        int r;
 
         assert(p);
         assert(f);
         assert(fds);
 
-        nr_open = read_nr_open();
-        if (nr_open < 3)
-                nr_open = HIGH_RLIMIT_NOFILE;
-        assert(nr_open > 0); /* For compilers/static analyzers */
+        unsigned nr_open = MAX(read_nr_open(), NR_OPEN_MINIMUM);
 
         for (;;) {
                 _cleanup_free_ char *l = NULL;
@@ -1290,7 +1287,7 @@ static int exec_parameters_deserialize(ExecParameters *p, FILE *f, FDSet *fds) {
                         if (r < 0)
                                 return r;
 
-                        if (p->n_socket_fds > (size_t) nr_open)
+                        if (p->n_socket_fds > nr_open)
                                 return -EINVAL; /* too many, someone is playing games with us */
                 } else if ((val = startswith(l, "exec-parameters-n-storage-fds="))) {
                         if (p->fds)
@@ -1300,7 +1297,7 @@ static int exec_parameters_deserialize(ExecParameters *p, FILE *f, FDSet *fds) {
                         if (r < 0)
                                 return r;
 
-                        if (p->n_storage_fds > (size_t) nr_open)
+                        if (p->n_storage_fds > nr_open)
                                 return -EINVAL; /* too many, someone is playing games with us */
                 } else if ((val = startswith(l, "exec-parameters-n-extra-fds="))) {
                         if (p->fds)
@@ -1310,7 +1307,7 @@ static int exec_parameters_deserialize(ExecParameters *p, FILE *f, FDSet *fds) {
                         if (r < 0)
                                 return r;
 
-                        if (p->n_extra_fds > (size_t) nr_open)
+                        if (p->n_extra_fds > nr_open)
                                 return -EINVAL; /* too many, someone is playing games with us */
                 } else if ((val = startswith(l, "exec-parameters-fds="))) {
                         if (p->n_socket_fds + p->n_storage_fds + p->n_extra_fds == 0)
@@ -1318,7 +1315,7 @@ static int exec_parameters_deserialize(ExecParameters *p, FILE *f, FDSet *fds) {
                                                 SYNTHETIC_ERRNO(EINVAL),
                                                 "Got exec-parameters-fds= without "
                                                 "prior exec-parameters-n-socket-fds= or exec-parameters-n-storage-fds= or exec-parameters-n-extra-fds=");
-                        if (p->n_socket_fds + p->n_storage_fds + p->n_extra_fds > (size_t) nr_open)
+                        if (p->n_socket_fds + p->n_storage_fds + p->n_extra_fds > nr_open)
                                 return -EINVAL; /* too many, someone is playing games with us */
 
                         if (p->fds)
@@ -1894,7 +1891,7 @@ static int exec_context_serialize(const ExecContext *c, FILE *f) {
                         return r;
         }
 
-        if (c->ioprio_set) {
+        if (c->ioprio_is_set) {
                 r = serialize_item_format(f, "exec-context-ioprio", "%d", c->ioprio);
                 if (r < 0)
                         return r;
@@ -2859,7 +2856,7 @@ static int exec_context_deserialize(ExecContext *c, FILE *f) {
                         r = safe_atoi(val, &c->ioprio);
                         if (r < 0)
                                 return r;
-                        c->ioprio_set = true;
+                        c->ioprio_is_set = true;
                 } else if ((val = startswith(l, "exec-context-cpu-scheduling-policy="))) {
                         c->cpu_sched_policy = sched_policy_from_string(val);
                         if (c->cpu_sched_policy < 0)

src/core/execute.c

@@ -1245,7 +1245,7 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
                                 prefix, rlimit_to_string(i), c->rlimit[i]->rlim_cur);
                 }
 
-        if (c->ioprio_set) {
+        if (c->ioprio_is_set) {
                 _cleanup_free_ char *class_str = NULL;
 
                 r = ioprio_class_to_string_alloc(ioprio_prio_class(c->ioprio), &class_str);
@@ -1607,7 +1607,7 @@ int exec_context_get_effective_ioprio(const ExecContext *c) {
 
         assert(c);
 
-        if (c->ioprio_set)
+        if (c->ioprio_is_set)
                 return c->ioprio;
 
         p = ioprio_get(IOPRIO_WHO_PROCESS, 0);

src/core/execute.h

@@ -190,7 +190,7 @@ typedef struct ExecContext {
         bool oom_score_adjust_set:1;
         bool coredump_filter_set:1;
         bool nice_set:1;
-        bool ioprio_set:1;
+        bool ioprio_is_set:1;
         bool cpu_sched_set:1;
 
         /* This is not exposed to the user but available internally. We need it to make sure that whenever we

src/core/load-fragment.c

@@ -1450,7 +1450,7 @@ int config_parse_exec_io_class(
         assert(rvalue);
 
         if (isempty(rvalue)) {
-                c->ioprio_set = false;
+                c->ioprio_is_set = false;
                 c->ioprio = IOPRIO_DEFAULT_CLASS_AND_PRIO;
                 return 0;
         }
@@ -1462,7 +1462,7 @@ int config_parse_exec_io_class(
         }
 
         c->ioprio = ioprio_normalize(ioprio_prio_value(x, ioprio_prio_data(c->ioprio)));
-        c->ioprio_set = true;
+        c->ioprio_is_set = true;
 
         return 0;
 }
@@ -1487,7 +1487,7 @@ int config_parse_exec_io_priority(
         assert(rvalue);
 
         if (isempty(rvalue)) {
-                c->ioprio_set = false;
+                c->ioprio_is_set = false;
                 c->ioprio = IOPRIO_DEFAULT_CLASS_AND_PRIO;
                 return 0;
         }
@@ -1499,7 +1499,7 @@ int config_parse_exec_io_priority(
         }
 
         c->ioprio = ioprio_normalize(ioprio_prio_value(ioprio_prio_class(c->ioprio), i));
-        c->ioprio_set = true;
+        c->ioprio_is_set = true;
 
         return 0;
 }

src/core/main.c

@@ -1275,38 +1275,20 @@ static void bump_file_max_and_nr_open(void) {
 #endif
 
 #if BUMP_PROC_SYS_FS_NR_OPEN
-        int v = INT_MAX;
+        /* The kernel enforces maximum and minimum values on the fs.nr_open, but they are not directly
+         * exposed, but hardcoded in fs/file.c. Hopefully, these values will not be changed, but not sure.
+         * Let's first try the hardcoded maximum value, and if it does not work, try the half of it. */
 
-        /* Argh! The kernel enforces maximum and minimum values on the fs.nr_open, but we don't really know
-         * what they are. The expression by which the maximum is determined is dependent on the architecture,
-         * and is something we don't really want to copy to userspace, as it is dependent on implementation
-         * details of the kernel. Since the kernel doesn't expose the maximum value to us, we can only try
-         * and hope. Hence, let's start with INT_MAX, and then keep halving the value until we find one that
-         * works. Ugly? Yes, absolutely, but kernel APIs are kernel APIs, so what do can we do... 🤯 */
-
-        for (;;) {
-                int k;
-
-                v &= ~(__SIZEOF_POINTER__ - 1); /* Round down to next multiple of the pointer size */
-                if (v < 1024) {
-                        log_warning("Can't bump fs.nr_open, value too small.");
-                        break;
-                }
-
-                k = read_nr_open();
-                if (k < 0) {
-                        log_error_errno(k, "Failed to read fs.nr_open: %m");
-                        break;
-                }
+        for (unsigned v = NR_OPEN_MAXIMUM; v >= NR_OPEN_MINIMUM; v /= 2) {
+                unsigned k = read_nr_open();
                 if (k >= v) { /* Already larger */
                         log_debug("Skipping bump, value is already larger.");
                         break;
                 }
 
-                r = sysctl_writef("fs/nr_open", "%i", v);
+                r = sysctl_writef("fs/nr_open", "%u", v);
                 if (r == -EINVAL) {
-                        log_debug("Couldn't write fs.nr_open as %i, halving it.", v);
-                        v /= 2;
+                        log_debug("Couldn't write fs.nr_open as %u, halving it.", v);
                         continue;
                 }
                 if (r < 0) {
@@ -1314,7 +1296,7 @@ static void bump_file_max_and_nr_open(void) {
                         break;
                 }
 
-                log_debug("Successfully bumped fs.nr_open to %i", v);
+                log_debug("Successfully bumped fs.nr_open to %u", v);
                 break;
         }
 #endif
@@ -1322,10 +1304,10 @@ static void bump_file_max_and_nr_open(void) {
 
 static int bump_rlimit_nofile(const struct rlimit *saved_rlimit) {
         struct rlimit new_rlimit;
-        int r, nr;
+        int r;
 
         /* Get the underlying absolute limit the kernel enforces */
-        nr = read_nr_open();
+        unsigned nr = read_nr_open();
 
         /* Calculate the new limits to use for us. Never lower from what we inherited. */
         new_rlimit = (struct rlimit) {
@@ -2690,14 +2672,8 @@ static void fallback_rlimit_nofile(const struct rlimit *saved_rlimit_nofile) {
          * (and thus use poll()/epoll instead of select(), the way everybody should) can
          * explicitly opt into high fds by bumping their soft limit beyond 1024, to the hard limit
          * we pass. */
-        if (arg_runtime_scope == RUNTIME_SCOPE_SYSTEM) {
-                int nr;
-
-                /* Get the underlying absolute limit the kernel enforces */
-                nr = read_nr_open();
-
-                rl->rlim_max = MIN((rlim_t) nr, MAX(rl->rlim_max, (rlim_t) HIGH_RLIMIT_NOFILE));
-        }
+        if (arg_runtime_scope == RUNTIME_SCOPE_SYSTEM)
+                rl->rlim_max = MIN((rlim_t) read_nr_open(), MAX(rl->rlim_max, (rlim_t) HIGH_RLIMIT_NOFILE));
 
         /* If for some reason we were invoked with a soft limit above 1024 (which should never
          * happen!, but who knows what we get passed in from pam_limit when invoked as --user

src/nsresourced/nsresourcework.c

@@ -6,6 +6,7 @@
 #include <linux/veth.h>
 #include <net/if.h>
 #include <poll.h>
+#include <sched.h>
 #include <sys/eventfd.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>

src/test/meson.build

@@ -12,7 +12,9 @@ generated_sources += test_hashmap_ordered_c
 
 path = run_command(sh, '-c', 'echo "$PATH"', check: true).stdout().strip()
 test_env = environment()
-test_env.set('SYSTEMD_LANGUAGE_FALLBACK_MAP', language_fallback_map)
+if conf.get('ENABLE_LOCALED') == 1
+        test_env.set('SYSTEMD_LANGUAGE_FALLBACK_MAP', language_fallback_map)
+endif
 test_env.set('PATH', meson.project_build_root() + ':' + path)
 test_env.set('PROJECT_BUILD_ROOT', meson.project_build_root())
 test_env.set('SYSTEMD_SLOW_TESTS', want_slow_tests ? '1' : '0')

src/test/test-fd-util.c

@@ -228,7 +228,7 @@ TEST(rearrange_stdio) {
 }
 
 TEST(read_nr_open) {
-        log_info("nr-open: %i", read_nr_open());
+        log_info("nr-open: %u", read_nr_open());
 }
 
 static size_t validate_fds(

src/ukify/ukify.py

@@ -310,7 +310,7 @@ class UkifyConfig:
 class Uname:
     # This class is here purely as a namespace for the functions
 
-    VERSION_PATTERN = r'(?P<version>[a-z0-9._-]+) \([^ )]+\) (?:#.*)'
+    VERSION_PATTERN = r'(?P<version>[a-z0-9._+-]+) \([^ )]+\) (?:#.*)'
 
     NOTES_PATTERN = r'^\s+Linux\s+0x[0-9a-f]+\s+OPEN\n\s+description data: (?P<version>[0-9a-f ]+)\s*$'
 

test/integration-tests/TEST-64-UDEV-STORAGE/meson.build

@@ -7,7 +7,10 @@ udev_storage_test_template = {
 }
 
 qemu = find_program('qemu-system-@0@'.format(host_machine.cpu_family()), 'qemu-kvm', dirs : ['/usr/libexec'], native : true, required : false)
-if qemu.found()
+if qemu.found() and host_machine.cpu_family() == 'aarch64'
+        # qemu-system-aarch64 errors out if no machine is specified
+        devices = run_command(qemu, '-device', 'help', '-machine', 'virt', check : true).stdout().strip()
+elif qemu.found()
         devices = run_command(qemu, '-device', 'help', check : true).stdout().strip()
 else
         devices = ''