This patchset adds pthread_sigqueue(3), a GNU extension:
http://www.kernel.org/doc/man-pages/online/pages/man3/pthread_sigqueue.3.html
The implementation is based on the existing sigqueue(2) and
pthread_kill(3) code.
Patches for winsup/cygwin and winsup/doc attached.
Yaakov
2012-01-?? Yaakov Selkowitz <yselkowitz@...>
* cygwin.din (pthread_sigqueue): Export.
* posix.sgml (std-gnu): Add pthread_sigqueue.
* thread.cc (pthread_sigqueue): New function.
* include/thread.h (pthread_sigqueue): New function.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
Index: cygwin.din
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/cygwin.din,v
retrieving revision 1.246
diff -u -p -r1.246 cygwin.din
--- cygwin.din 3 Aug 2011 19:17:02 -0000 1.246
+++ cygwin.din 4 Aug 2011 09:21:52 -0000
@@ -1270,6 +1270,7 @@ pthread_setschedparam SIGFE
pthread_setschedprio SIGFE
pthread_setspecific SIGFE
pthread_sigmask SIGFE
+pthread_sigqueue SIGFE
pthread_suspend SIGFE
pthread_spin_destroy SIGFE
pthread_spin_init SIGFE
Index: posix.sgml
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/posix.sgml,v
retrieving revision 1.70
diff -u -p -r1.70 posix.sgml
--- posix.sgml 3 Aug 2011 19:17:02 -0000 1.70
+++ posix.sgml 4 Aug 2011 09:21:53 -0000
@@ -1133,6 +1133,7 @@ also IEEE Std 1003.1-2008 (POSIX.1-2008)
pow10f
ppoll
pthread_getattr_np
+ pthread_sigqueue
ptsname_r
removexattr
setxattr
Index: thread.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/thread.cc,v
retrieving revision 1.246
diff -u -p -r1.246 thread.cc
--- thread.cc 3 Aug 2011 19:17:02 -0000 1.246
+++ thread.cc 4 Aug 2011 09:21:53 -0000
@@ -3093,6 +3093,24 @@ pthread_sigmask (int operation, const si
return res;
}
+extern "C" int
+pthread_sigqueue (pthread_t *thread, int sig, const union sigval value)
+{
+ siginfo_t si = {0};
+
+ if (!pthread::is_good_object (thread))
+ return EINVAL;
+ if (!(*thread)->valid)
+ return ESRCH;
+
+ si.si_signo = sig;
+ si.si_code = SI_QUEUE;
+ si.si_value = value;
+ si.si_pid = myself->pid;
+ si.si_uid = myself->uid;
+ return sig_send (NULL, si, (*thread)->cygtls);
+}
+
/* ID */
extern "C" int
Index: include/pthread.h
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/include/pthread.h,v
retrieving revision 1.34
diff -u -p -r1.34 pthread.h
--- include/pthread.h 21 Jul 2011 09:39:22 -0000 1.34
+++ include/pthread.h 4 Aug 2011 09:21:53 -0000
@@ -202,6 +202,7 @@ void pthread_testcancel (void);
/* Non posix calls */
int pthread_getattr_np (pthread_t, pthread_attr_t *);
+int pthread_sigqueue (pthread_t *, int, const union sigval);
int pthread_suspend (pthread_t);
int pthread_continue (pthread_t);
int pthread_yield (void);
Index: include/cygwin/version.h
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/include/cygwin/version.h,v
retrieving revision 1.351
diff -u -p -r1.351 version.h
--- include/cygwin/version.h 3 Aug 2011 19:17:02 -0000 1.351
+++ include/cygwin/version.h 4 Aug 2011 09:21:53 -0000
@@ -427,12 +427,13 @@ details. */
256: Add CW_ALLOC_DRIVE_MAP, CW_MAP_DRIVE_MAP, CW_FREE_DRIVE_MAP.
257: Export getpt.
258: Export get_current_dir_name.
+ 259: Export pthread_sigqueue.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 258
+#define CYGWIN_VERSION_API_MINOR 259
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible
2012-01-?? Yaakov Selkowitz <yselkowitz@...>
* new-features.sgml (ov-new1.7.10): Document pthread_sigqueue.
Index: new-features.sgml
===================================================================
RCS file: /cvs/src/src/winsup/doc/new-features.sgml,v
retrieving revision 1.96
diff -u -p -r1.96 new-features.sgml
--- new-features.sgml 1 Jan 2012 18:55:40 -0000 1.96
+++ new-features.sgml 1 Jan 2012 18:56:51 -0000
@@ -103,7 +103,7 @@ dlopen now supports the Glibc-specific R
<listitem><para>
Other new API: clock_settime, __fpurge, getgrouplist, get_current_dir_name,
getpt, ppoll, psiginfo, psignal, ptsname_r, sys_siglist, pthread_setschedprio,
-sysinfo.
+pthread_sigqueue, sysinfo.
</para></listitem>
</itemizedlist>
