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Code Issues Releases Activity

Do signal deferral for pthread_kill() as it was done in the old days.

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Submitted by:	deischen
This commit is contained in:
Jason Evans 2000-01-20 04:46:52 +00:00
parent ed25321907
commit adbd6ee028
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=56310
9 changed files with 18 additions and 90 deletions
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5
lib/libc_r/uthread/pthread_private.h
View File

@ -572,11 +572,6 @@ struct pthread {
sigset_t sigmask;
sigset_t sigpend;
#ifndef _NO_UNDISPATCH
/* Non-zero if there are undispatched signals for this thread. */
int undispatched_signals;
#endif
/* Thread state: */
enum pthread_state state;
enum pthread_state oldstate;

8
lib/libc_r/uthread/uthread_kern.c
View File

@ -39,7 +39,9 @@
#include <string.h>
#include <unistd.h>
#include <setjmp.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/signalvar.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
@ -122,16 +124,12 @@ __asm__("fnsave %0": :"m"(*fdata));
pthread_testcancel();
}
#ifndef _NO_UNDISPATCH
/*
* Check for undispatched signals due to calls to
* pthread_kill().
*/
if (_thread_run->undispatched_signals != 0) {
_thread_run->undispatched_signals = 0;
if (SIGNOTEMPTY(_thread_run->sigpend))
_dispatch_signals();
}
#endif
if (_sched_switch_hook != NULL) {
/* Run the installed switch hook: */

23
lib/libc_r/uthread/uthread_sig.c
View File

@ -628,27 +628,10 @@ _thread_sig_send(pthread_t pthread, int sig)
!sigismember(&pthread->sigmask, sig)) {
/* Perform any state changes due to signal arrival: */
thread_sig_check_state(pthread, sig);
#ifndef _NO_UNDISPATCH
if (_thread_run != pthread) {
/*
* Make a note to call the signal handler once
* the signaled thread is running. This is
* necessary in order to make sure that the
* signal is delivered on the correct stack.
*/
pthread->undispatched_signals++;
} else {
#endif
/* Call the installed signal handler. */
_thread_sig_deliver(pthread, sig);
#ifndef _NO_UNDISPATCH
}
#endif
} else {
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
}

8
lib/libkse/thread/thr_kern.c
View File

@ -39,7 +39,9 @@
#include <string.h>
#include <unistd.h>
#include <setjmp.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/signalvar.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
@ -122,16 +124,12 @@ __asm__("fnsave %0": :"m"(*fdata));
pthread_testcancel();
}
#ifndef _NO_UNDISPATCH
/*
* Check for undispatched signals due to calls to
* pthread_kill().
*/
if (_thread_run->undispatched_signals != 0) {
_thread_run->undispatched_signals = 0;
if (SIGNOTEMPTY(_thread_run->sigpend))
_dispatch_signals();
}
#endif
if (_sched_switch_hook != NULL) {
/* Run the installed switch hook: */

5
lib/libkse/thread/thr_private.h
View File

@ -572,11 +572,6 @@ struct pthread {
sigset_t sigmask;
sigset_t sigpend;
#ifndef _NO_UNDISPATCH
/* Non-zero if there are undispatched signals for this thread. */
int undispatched_signals;
#endif
/* Thread state: */
enum pthread_state state;
enum pthread_state oldstate;

23
lib/libkse/thread/thr_sig.c
View File

@ -628,27 +628,10 @@ _thread_sig_send(pthread_t pthread, int sig)
!sigismember(&pthread->sigmask, sig)) {
/* Perform any state changes due to signal arrival: */
thread_sig_check_state(pthread, sig);
#ifndef _NO_UNDISPATCH
if (_thread_run != pthread) {
/*
* Make a note to call the signal handler once
* the signaled thread is running. This is
* necessary in order to make sure that the
* signal is delivered on the correct stack.
*/
pthread->undispatched_signals++;
} else {
#endif
/* Call the installed signal handler. */
_thread_sig_deliver(pthread, sig);
#ifndef _NO_UNDISPATCH
}
#endif
} else {
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
}

8
lib/libpthread/thread/thr_kern.c
View File

@ -39,7 +39,9 @@
#include <string.h>
#include <unistd.h>
#include <setjmp.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/signalvar.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/socket.h>
@ -122,16 +124,12 @@ __asm__("fnsave %0": :"m"(*fdata));
pthread_testcancel();
}
#ifndef _NO_UNDISPATCH
/*
* Check for undispatched signals due to calls to
* pthread_kill().
*/
if (_thread_run->undispatched_signals != 0) {
_thread_run->undispatched_signals = 0;
if (SIGNOTEMPTY(_thread_run->sigpend))
_dispatch_signals();
}
#endif
if (_sched_switch_hook != NULL) {
/* Run the installed switch hook: */

5
lib/libpthread/thread/thr_private.h
View File

@ -572,11 +572,6 @@ struct pthread {
sigset_t sigmask;
sigset_t sigpend;
#ifndef _NO_UNDISPATCH
/* Non-zero if there are undispatched signals for this thread. */
int undispatched_signals;
#endif
/* Thread state: */
enum pthread_state state;
enum pthread_state oldstate;

23
lib/libpthread/thread/thr_sig.c
View File

@ -628,27 +628,10 @@ _thread_sig_send(pthread_t pthread, int sig)
!sigismember(&pthread->sigmask, sig)) {
/* Perform any state changes due to signal arrival: */
thread_sig_check_state(pthread, sig);
#ifndef _NO_UNDISPATCH
if (_thread_run != pthread) {
/*
* Make a note to call the signal handler once
* the signaled thread is running. This is
* necessary in order to make sure that the
* signal is delivered on the correct stack.
*/
pthread->undispatched_signals++;
} else {
#endif
/* Call the installed signal handler. */
_thread_sig_deliver(pthread, sig);
#ifndef _NO_UNDISPATCH
}
#endif
} else {
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
/* Increment the pending signal count. */
sigaddset(&pthread->sigpend,sig);
}
}