mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 12:30:06 +00:00
hurd: Fix pthread_self() without libpthread
5476f8cd2e
("htl: move pthread_self info libc.") moved the htl pthread_self() function from libpthread to libc, replacing the previous libc stub that just returns 0. And53da64d1cf
("htl: Initialize ___pthread_self early") added initialization code which is needed before being able to call pthread_self. It is currently in libpthread, and thus never called before programs can call pthread_self from libc, which then segfaults when accessing _pthread_self()->thread. This moves the initialization to libc itself, as initialized variables, so pthread_self can always be called fine.
This commit is contained in:
parent
43224b1379
commit
0e75c4a463
@ -38,6 +38,7 @@ libc {
|
||||
__pthread_cleanup_stack;
|
||||
__pthread_total;
|
||||
___pthread_self;
|
||||
__pthread_init_thread;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -17,6 +17,13 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <pt-sysdep.h>
|
||||
#include <pt-internal.h>
|
||||
|
||||
__thread struct __pthread *___pthread_self;
|
||||
/* Initial thread structure used before libpthread is initialized, so various
|
||||
* functions can already work at least basically. */
|
||||
struct __pthread __pthread_init_thread = {
|
||||
.thread = 1,
|
||||
};
|
||||
|
||||
__thread struct __pthread *___pthread_self = &__pthread_init_thread;
|
||||
libc_hidden_tls_def (___pthread_self)
|
||||
|
@ -26,10 +26,6 @@
|
||||
#include <pt-internal.h>
|
||||
#include <pthreadP.h>
|
||||
|
||||
/* Initial thread structure used temporarily during initialization, so various
|
||||
* functions can already work at least basically. */
|
||||
static struct __pthread init_thread;
|
||||
|
||||
static void
|
||||
reset_pthread_total (void)
|
||||
{
|
||||
@ -51,10 +47,6 @@ _init_routine (void *stack)
|
||||
/* Already initialized */
|
||||
return;
|
||||
|
||||
/* Initialize early thread structure. */
|
||||
init_thread.thread = 1;
|
||||
___pthread_self = &init_thread;
|
||||
|
||||
/* Initialize the library. */
|
||||
___pthread_init ();
|
||||
|
||||
@ -116,9 +108,9 @@ _init_routine (void *stack)
|
||||
#endif
|
||||
|
||||
/* Copy over the thread-specific state */
|
||||
assert (!init_thread.thread_specifics);
|
||||
assert (!__pthread_init_thread.thread_specifics);
|
||||
memcpy (&thread->static_thread_specifics,
|
||||
&init_thread.static_thread_specifics,
|
||||
&__pthread_init_thread.static_thread_specifics,
|
||||
sizeof (thread->static_thread_specifics));
|
||||
|
||||
___pthread_self = thread;
|
||||
|
@ -34,6 +34,8 @@
|
||||
|
||||
extern __thread struct __pthread *___pthread_self;
|
||||
libc_hidden_tls_proto (___pthread_self)
|
||||
extern struct __pthread ___pthread_init_thread;
|
||||
libc_hidden_proto (___pthread_init_thread)
|
||||
|
||||
#ifdef DEBUG
|
||||
#define _pthread_self() \
|
||||
|
Loading…
Reference in New Issue
Block a user