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always block signals in pthread_exit before decrementing thread count
[musl]
/
src
/
thread
/
pthread_create.c
diff --git
a/src/thread/pthread_create.c
b/src/thread/pthread_create.c
index
e6760ab
..
0cd2d6c
100644
(file)
--- a/
src/thread/pthread_create.c
+++ b/
src/thread/pthread_create.c
@@
-32,6
+32,8
@@
_Noreturn void pthread_exit(void *result)
self->dead = 1;
__unlock(self->killlock);
self->dead = 1;
__unlock(self->killlock);
+ __syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET, 0, _NSIG/8);
+
do n = libc.threads_minus_1;
while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n);
if (!n) exit(0);
do n = libc.threads_minus_1;
while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n);
if (!n) exit(0);
@@
-39,8
+41,6
@@
_Noreturn void pthread_exit(void *result)
if (self->detached && self->map_base) {
if (self->detached == 2)
__syscall(SYS_set_tid_address, 0);
if (self->detached && self->map_base) {
if (self->detached == 2)
__syscall(SYS_set_tid_address, 0);
- __syscall(SYS_rt_sigprocmask, SIG_BLOCK,
- SIGALL_SET, 0, _NSIG/8);
__unmapself(self->map_base, self->map_size);
}
__unmapself(self->map_base, self->map_size);
}