diff options
Diffstat (limited to 'src/x86_64/Gglobal.c')
| -rw-r--r-- | src/x86_64/Gglobal.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/x86_64/Gglobal.c b/src/x86_64/Gglobal.c index 73ba02e3..812cfb54 100644 --- a/src/x86_64/Gglobal.c +++ b/src/x86_64/Gglobal.c @@ -28,13 +28,10 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "config.h" #include "unwind_i.h" #include "dwarf_i.h" +#include <stdatomic.h> HIDDEN define_lock (x86_64_lock); -#ifdef HAVE_ATOMIC_OPS_H - HIDDEN AO_t tdep_init_done; -#else - HIDDEN int tdep_init_done; -#endif +HIDDEN atomic_bool tdep_init_done = 0; /* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c. */ @@ -87,7 +84,7 @@ tdep_init (void) SIGPROCMASK (SIG_SETMASK, &full_mask, &saved_mask); mutex_lock (&x86_64_lock); { - if (atomic_read(&tdep_init_done)) + if (atomic_load(&tdep_init_done)) /* another thread else beat us to it... */ goto out; @@ -101,7 +98,7 @@ tdep_init (void) x86_64_local_addr_space_init (); #endif - fetch_and_add1(&tdep_init_done); /* signal that we're initialized... */ + atomic_store(&tdep_init_done, 1); /* signal that we're initialized... */ } out: mutex_unlock(&x86_64_lock); |