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authorUlrich Drepper <drepper@redhat.com>2009-06-12 08:34:02 -0700
committerUlrich Drepper <drepper@redhat.com>2009-06-12 08:34:02 -0700
commitbfdb73e145e6ca3bedcd5ef93e0b5d0fe9498645 (patch)
tree8e865437b0e105732f8c717ceb14073321731d19 /nptl/sysdeps/pthread
parent1828530f09bcc321cfb84c27110bbce804605ec4 (diff)
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Implement pthread_sigqueue.
The kernel from 2.3.31 on supports the rt_tgsigqueueinfo syscall.
Use it to implement the non-standard extension which, like
sigqueue, can pass additional data to the receiving thread.
Diffstat (limited to 'nptl/sysdeps/pthread')
-rw-r--r--nptl/sysdeps/pthread/bits/sigthread.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/nptl/sysdeps/pthread/bits/sigthread.h b/nptl/sysdeps/pthread/bits/sigthread.h
index 960bde18a9..9a524e57db 100644
--- a/nptl/sysdeps/pthread/bits/sigthread.h
+++ b/nptl/sysdeps/pthread/bits/sigthread.h
@@ -1,5 +1,5 @@
 /* Signal handling function for threaded programs.
-   Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2002, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -35,4 +35,10 @@ extern int pthread_sigmask (int __how,
 /* Send signal SIGNO to the given thread. */
 extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
 
+#ifdef __USE_GNU
+/* Queue signal and data to a thread.  */
+extern int pthread_sigqueue (pthread_t __threadid, int __signo,
+			     const union sigval __value) __THROW;
+#endif
+
 #endif	/* bits/sigthread.h */