X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fsynccall.c;h=dc59863f11c3c7ae49073a673fba9a854c668ae0;hp=1520b3b40b582855e27b394120500fb32ddb5d0a;hb=d432b2c057fc64256645422382c2f7e32c45b3cc;hpb=0c29adfe427ab6ed98cb73644f8f52a76045245c diff --git a/src/thread/synccall.c b/src/thread/synccall.c index 1520b3b4..dc59863f 100644 --- a/src/thread/synccall.c +++ b/src/thread/synccall.c @@ -1,5 +1,6 @@ #include "pthread_impl.h" #include +#include static struct chain { struct chain *next; @@ -9,7 +10,6 @@ static struct chain { static void (*callback)(void *), *context; static int chainlen; static sem_t chainlock, chaindone; -static pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER; static void handler(int sig, siginfo_t *si, void *ctx) { @@ -59,9 +59,10 @@ void __synccall(void (*func)(void *), void *ctx) return; } - pthread_rwlock_wrlock(&lock); + __inhibit_ptc(); - __syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8); + __syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET, + &oldmask, __SYSCALL_SSLEN); sem_init(&chaindone, 0, 0); sem_init(&chainlock, 0, 1); @@ -93,17 +94,8 @@ void __synccall(void (*func)(void *), void *ctx) sa.sa_handler = SIG_IGN; __libc_sigaction(SIGSYNCCALL, &sa, 0); - __syscall(SYS_rt_sigprocmask, SIG_SETMASK, &oldmask, 0, 8); + __syscall(SYS_rt_sigprocmask, SIG_SETMASK, + &oldmask, 0, __SYSCALL_SSLEN); - pthread_rwlock_unlock(&lock); -} - -void __synccall_lock() -{ - pthread_rwlock_rdlock(&lock); -} - -void __synccall_unlock() -{ - pthread_rwlock_unlock(&lock); + __release_ptc(); }