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Implement pthread_sigqueue.

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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.
This commit is contained in:
Ulrich Drepper
2009-06-12 08:34:02 -07:00
parent 1828530f09
commit bfdb73e145
7 changed files with 107 additions and 2 deletions
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8
nptl/sysdeps/pthread/bits/sigthread.h
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@@ -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 */