also make thread_local available w/o including <threads.h> --- src/libsystemd-bus/sd-bus.c | 4 ++-- src/libsystemd-bus/sd-event.c | 2 +- src/libsystemd-id128/sd-id128.c | 8 ++++---- src/login/logind-inhibit.c | 2 +- src/shared/capability.c | 4 ++-- src/shared/cgroup-util.c | 2 +- src/shared/macro.h | 8 ++++++++ src/shared/util.c | 6 +++--- src/shared/virt.c | 8 ++++---- 9 files changed, 26 insertions(+), 18 deletions(-)
diff --git a/src/libsystemd-bus/sd-bus.c b/src/libsystemd-bus/sd-bus.c index 4eaceef..64cd663 100644 --- a/src/libsystemd-bus/sd-bus.c +++ b/src/libsystemd-bus/sd-bus.c @@ -2815,13 +2815,13 @@ static int bus_default(int (*bus_open)(sd_bus **), sd_bus **default_bus, sd_bus } _public_ int sd_bus_default_system(sd_bus **ret) { - static __thread sd_bus *default_system_bus = NULL; + static thread_local sd_bus *default_system_bus = NULL; return bus_default(sd_bus_open_system, &default_system_bus, ret); } _public_ int sd_bus_default_user(sd_bus **ret) { - static __thread sd_bus *default_user_bus = NULL; + static thread_local sd_bus *default_user_bus = NULL; return bus_default(sd_bus_open_user, &default_user_bus, ret); } diff --git a/src/libsystemd-bus/sd-event.c b/src/libsystemd-bus/sd-event.c index 06c84d7..727528b 100644 --- a/src/libsystemd-bus/sd-event.c +++ b/src/libsystemd-bus/sd-event.c @@ -2116,7 +2116,7 @@ _public_ int sd_event_get_now_monotonic(sd_event *e, uint64_t *usec) { _public_ int sd_event_default(sd_event **ret) { - static __thread sd_event *default_event = NULL; + static thread_local sd_event *default_event = NULL; sd_event *e; int r; diff --git a/src/libsystemd-id128/sd-id128.c b/src/libsystemd-id128/sd-id128.c index 07d2415..9ee40ab 100644 --- a/src/libsystemd-id128/sd-id128.c +++ b/src/libsystemd-id128/sd-id128.c @@ -104,8 +104,8 @@ static sd_id128_t make_v4_uuid(sd_id128_t id) { } _public_ int sd_id128_get_machine(sd_id128_t *ret) { - static __thread sd_id128_t saved_machine_id; - static __thread bool saved_machine_id_valid = false; + static thread_local sd_id128_t saved_machine_id; + static thread_local bool saved_machine_id_valid = false; _cleanup_close_ int fd = -1; char buf[33]; ssize_t k; @@ -153,8 +153,8 @@ _public_ int sd_id128_get_machine(sd_id128_t *ret) { } _public_ int sd_id128_get_boot(sd_id128_t *ret) { - static __thread sd_id128_t saved_boot_id; - static __thread bool saved_boot_id_valid = false; + static thread_local sd_id128_t saved_boot_id; + static thread_local bool saved_boot_id_valid = false; _cleanup_close_ int fd = -1; char buf[36]; ssize_t k; diff --git a/src/login/logind-inhibit.c b/src/login/logind-inhibit.c index ec6a722..042586d 100644 --- a/src/login/logind-inhibit.c +++ b/src/login/logind-inhibit.c @@ -413,7 +413,7 @@ bool manager_is_inhibited( } const char *inhibit_what_to_string(InhibitWhat w) { - static __thread char buffer[97]; + static thread_local char buffer[97]; char *p; if (w < 0 || w >= _INHIBIT_WHAT_MAX) diff --git a/src/shared/capability.c b/src/shared/capability.c index 3219520..f34f6ba 100644 --- a/src/shared/capability.c +++ b/src/shared/capability.c @@ -55,8 +55,8 @@ int have_effective_cap(int value) { } unsigned long cap_last_cap(void) { - static __thread unsigned long saved; - static __thread bool valid = false; + static thread_local unsigned long saved; + static thread_local bool valid = false; unsigned long p; if (valid) diff --git a/src/shared/cgroup-util.c b/src/shared/cgroup-util.c index 2c2ffc5..309f65d 100644 --- a/src/shared/cgroup-util.c +++ b/src/shared/cgroup-util.c @@ -480,7 +480,7 @@ static int join_path(const char *controller, const char *path, const char *suffi int cg_get_path(const char *controller, const char *path, const char *suffix, char **fs) { const char *p; - static __thread bool good = false; + static thread_local bool good = false; assert(fs); diff --git a/src/shared/macro.h b/src/shared/macro.h index fd3762e..903e8ee 100644 --- a/src/shared/macro.h +++ b/src/shared/macro.h @@ -27,6 +27,14 @@ #include <sys/uio.h> #include <inttypes.h> +#if __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__) +#else +# define _Thread_local __thread +#endif + +/* make thread_local available w/o including <threads.h> */ +#define thread_local _Thread_local + #define _printf_(a,b) __attribute__ ((format (printf, a, b))) #define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__))) #define _sentinel_ __attribute__ ((sentinel)) diff --git a/src/shared/util.c b/src/shared/util.c index 7c73074..0ce6f70 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -86,7 +86,7 @@ static volatile unsigned cached_columns = 0; static volatile unsigned cached_lines = 0; size_t page_size(void) { - static __thread size_t pgsz = 0; + static thread_local size_t pgsz = 0; long r; if (_likely_(pgsz > 0)) @@ -4580,7 +4580,7 @@ char *strjoin(const char *x, ...) { } bool is_main_thread(void) { - static __thread int cached = 0; + static thread_local int cached = 0; if (_unlikely_(cached == 0)) cached = getpid() == gettid() ? 1 : -1; @@ -4798,7 +4798,7 @@ static const char *const __signal_table[] = { DEFINE_PRIVATE_STRING_TABLE_LOOKUP(__signal, int); const char *signal_to_string(int signo) { - static __thread char buf[sizeof("RTMIN+")-1 + DECIMAL_STR_MAX(int) + 1]; + static thread_local char buf[sizeof("RTMIN+")-1 + DECIMAL_STR_MAX(int) + 1]; const char *name; name = __signal_to_string(signo); diff --git a/src/shared/virt.c b/src/shared/virt.c index 4e18638..c79d35d 100644 --- a/src/shared/virt.c +++ b/src/shared/virt.c @@ -150,8 +150,8 @@ static int detect_vm_dmi(const char **_id) { /* Returns a short identifier for the various VM implementations */ int detect_vm(const char **id) { _cleanup_free_ char *hvtype = NULL, *cpuinfo_contents = NULL; - static __thread int cached_found = -1; - static __thread const char *cached_id = NULL; + static thread_local int cached_found = -1; + static thread_local const char *cached_id = NULL; const char *_id = NULL; int r; @@ -215,8 +215,8 @@ finish: int detect_container(const char **id) { - static __thread int cached_found = -1; - static __thread const char *cached_id = NULL; + static thread_local int cached_found = -1; + static thread_local const char *cached_id = NULL; _cleanup_free_ char *e = NULL; const char *_id = NULL; -- 1.8.5.1 _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel