optimize compound-literal sigset_t's not to contain useless hurd bits
authorRich Felker <dalias@aerifal.cx>
Sun, 8 May 2011 03:37:10 +0000 (23:37 -0400)
committerRich Felker <dalias@aerifal.cx>
Sun, 8 May 2011 03:37:10 +0000 (23:37 -0400)
src/internal/pthread_impl.h
src/thread/pthread_create.c
src/time/timer_create.c

index 24cbeb25d136b06f29ab33b03e832d348f9d75c2..615713c7441b3c7b69a922eb0b876570ae97cb59 100644 (file)
@@ -79,8 +79,10 @@ struct __timer {
 #define SIGCANCEL 33
 #define SIGSYSCALL 34
 
-#define SIGPT_SET ((sigset_t){{[sizeof(long)==4] = 3<<(32*(sizeof(long)>4))}})
-#define SIGTIMER_SET ((sigset_t){{ 0x80000000 }})
+#define SIGPT_SET ((sigset_t *)(unsigned long [1+(sizeof(long)==4)]){ \
+       [sizeof(long)==4] = 3<<(32*(sizeof(long)>4)) })
+#define SIGTIMER_SET ((sigset_t *)(unsigned long [1+(sizeof(long)==4)]){ \
+        0x80000000 })
 
 int __set_thread_area(void *);
 int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
index 6545539b5c979f5dd6248d14cf01c8557099f207..0609aab15ee89a31faef2f8ee38fe08c416eb527 100644 (file)
@@ -45,7 +45,7 @@ static int start(void *p)
 {
        struct pthread *self = p;
        if (self->unblock_cancel)
-               __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, &SIGPT_SET, 0, 8);
+               __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGPT_SET, 0, 8);
        pthread_exit(self->start(self->start_arg));
        return 0;
 }
@@ -68,7 +68,7 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo
 
        if (!self) return ENOSYS;
        if (!libc.threaded) {
-               __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, &SIGPT_SET, 0, 8);
+               __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGPT_SET, 0, 8);
                libc.threaded = 1;
        }
 
index 3bcfa951d92e5342828e9b58d51bd8dc9b9c565b..1561d797a258608e131fe2753e74b61cfca81ab8 100644 (file)
@@ -51,7 +51,7 @@ static void install_handler()
                .sa_flags = SA_SIGINFO | SA_RESTART
        };
        __libc_sigaction(SIGTIMER, &sa, 0);
-       __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, &SIGTIMER_SET, 0, 8);
+       __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGTIMER_SET, 0, 8);
 }
 
 static void *start(void *arg)