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authorFlorian Weimer <fweimer@redhat.com>2021-03-16 18:05:39 +0100
committerFlorian Weimer <fweimer@redhat.com>2021-03-18 22:20:55 +0100
commit6c08324c5e5f2339965b9701d19b24c6a1105b53 (patch)
tree91357edfcfb2fe2f71e2a402f49b3127503e46c5
parent39b6e03c0bb12d3766b488d899dacdaeb4663595 (diff)
downloadglibc-6c08324c5e5f2339965b9701d19b24c6a1105b53.tar.gz
nptl: Invoke the set_robust_list system call directly in fork
This removes one of the pthread forwarder functions. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
-rw-r--r--nptl/nptl-init.c21
-rw-r--r--sysdeps/nptl/fork.c11
-rw-r--r--sysdeps/nptl/pthread-functions.h1
3 files changed, 2 insertions, 31 deletions
diff --git a/nptl/nptl-init.c b/nptl/nptl-init.c
index 49d811aed7..de64e34783 100644
--- a/nptl/nptl-init.c
+++ b/nptl/nptl-init.c
@@ -60,14 +60,6 @@ int __set_robust_list_avail;
/* Version of the library, used in libthread_db to detect mismatches. */
static const char nptl_version[] __attribute_used__ = VERSION;
-
-#ifdef SHARED
-static
-#else
-extern
-#endif
-void __nptl_set_robust (struct pthread *);
-
#ifdef SHARED
static const struct pthread_functions pthread_functions =
{
@@ -92,25 +84,12 @@ static const struct pthread_functions pthread_functions =
.ptr___pthread_getspecific = __pthread_getspecific,
.ptr___pthread_setspecific = __pthread_setspecific,
.ptr__nptl_setxid = __nptl_setxid,
- .ptr_set_robust = __nptl_set_robust
};
# define ptr_pthread_functions &pthread_functions
#else
# define ptr_pthread_functions NULL
#endif
-
-#ifdef SHARED
-static
-#endif
-void
-__nptl_set_robust (struct pthread *self)
-{
- INTERNAL_SYSCALL_CALL (set_robust_list, &self->robust_head,
- sizeof (struct robust_list_head));
-}
-
-
/* For asynchronous cancellation we use a signal. This is the handler. */
static void
sigcancel_handler (int sig, siginfo_t *si, void *ctx)
diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c
index ffc8f9d041..a2a0643a1d 100644
--- a/sysdeps/nptl/fork.c
+++ b/sysdeps/nptl/fork.c
@@ -104,15 +104,8 @@ __libc_fork (void)
self->robust_prev = &self->robust_head;
#endif
self->robust_head.list = &self->robust_head;
-#ifdef SHARED
- if (__builtin_expect (__libc_pthread_functions_init, 0))
- PTHFCT_CALL (ptr_set_robust, (self));
-#else
- extern __typeof (__nptl_set_robust) __nptl_set_robust
- __attribute__((weak));
- if (__builtin_expect (__nptl_set_robust != NULL, 0))
- __nptl_set_robust (self);
-#endif
+ INTERNAL_SYSCALL_CALL (set_robust_list, &self->robust_head,
+ sizeof (struct robust_list_head));
/* Reset the lock state in the multi-threaded case. */
if (multiple_threads)
diff --git a/sysdeps/nptl/pthread-functions.h b/sysdeps/nptl/pthread-functions.h
index 2092ecef07..844838cd49 100644
--- a/sysdeps/nptl/pthread-functions.h
+++ b/sysdeps/nptl/pthread-functions.h
@@ -53,7 +53,6 @@ struct pthread_functions
void *(*ptr___pthread_getspecific) (pthread_key_t);
int (*ptr___pthread_setspecific) (pthread_key_t, const void *);
int (*ptr__nptl_setxid) (struct xid_command *);
- void (*ptr_set_robust) (struct pthread *);
};
/* Variable in libc.so. */