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| author | Florian Weimer <fweimer@redhat.com> | 2020-06-02 10:34:55 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2020-06-02 11:59:18 +0200 |
| commit | ec41af45a6d25f70f9c7ea15cb831a2b2fea3855 (patch) | |
| tree | 485ea3129bf12117c40b6784807869564fc8af1e /nptl/pthread_create.c | |
| parent | 7538d461134bf306e31b40e4032f0c225bb40d51 (diff) | |
| download | glibc-ec41af45a6d25f70f9c7ea15cb831a2b2fea3855.tar.gz glibc-ec41af45a6d25f70f9c7ea15cb831a2b2fea3855.tar.xz glibc-ec41af45a6d25f70f9c7ea15cb831a2b2fea3855.zip | |
nptl: Add pthread_attr_setsigmask_np, pthread_attr_getsigmask_np
Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'nptl/pthread_create.c')
| -rw-r--r-- | nptl/pthread_create.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index f6418eb5ed..35a9927cf2 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -745,14 +745,23 @@ __pthread_create_2_1 (pthread_t *newthread, const pthread_attr_t *attr, sigset_t original_sigmask; __libc_signal_block_all (&original_sigmask); - /* Conceptually, the new thread needs to inherit the signal mask of - this thread. Therefore, it needs to restore the saved signal - mask of this thread, so save it in the startup information. */ - pd->sigmask = original_sigmask; - - /* Reset the cancellation signal mask in case this thread is running - cancellation. */ - __sigdelset (&pd->sigmask, SIGCANCEL); + if (iattr->extension != NULL && iattr->extension->sigmask_set) + /* Use the signal mask in the attribute. The internal signals + have already been filtered by the public + pthread_attr_setsigmask_np interface. */ + pd->sigmask = iattr->extension->sigmask; + else + { + /* Conceptually, the new thread needs to inherit the signal mask + of this thread. Therefore, it needs to restore the saved + signal mask of this thread, so save it in the startup + information. */ + pd->sigmask = original_sigmask; + + /* Reset the cancellation signal mask in case this thread is + running cancellation. */ + __sigdelset (&pd->sigmask, SIGCANCEL); + } /* Start the thread. */ if (__glibc_unlikely (report_thread_creation (pd))) |