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libthr: add stable user interface for sigfastblock(2)

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Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D50377
This commit is contained in:
Konstantin Belousov 2025-05-16 16:18:21 +03:00
parent c0fdd2bf94
commit 31760ee65a
3 changed files with 23 additions and 0 deletions
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2
include/pthread_np.h
View file

@ -59,6 +59,8 @@ int pthread_resume_np(pthread_t);
int pthread_peekjoin_np(pthread_t, void **);
void pthread_set_name_np(pthread_t, const char *);
int pthread_setaffinity_np(pthread_t, size_t, const cpuset_t *);
void pthread_signals_block_np(void);
void pthread_signals_unblock_np(void);
int pthread_single_np(void);
void pthread_suspend_all_np(void);
int pthread_suspend_np(pthread_t);

2
lib/libthr/pthread.map
View file

@ -339,5 +339,7 @@ FBSD_1.6 {
};
FBSD_1.8 {
pthread_signals_block_np;
pthread_signals_unblock_np;
pthread_sigqueue;
};

19
lib/libthr/thread/thr_sig.c
View file

@ -37,6 +37,7 @@
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <pthread_np.h>
#include "un-namespace.h"
#include "libc_private.h"
@ -163,6 +164,24 @@ _thr_signal_block_setup(struct pthread *curthread)
__sys_sigfastblock(SIGFASTBLOCK_SETPTR, &curthread->fsigblock);
}
void
pthread_signals_block_np(void)
{
struct pthread *curthread;
curthread = _get_curthread();
_thr_signal_block(curthread);
}
void
pthread_signals_unblock_np(void)
{
struct pthread *curthread;
curthread = _get_curthread();
_thr_signal_unblock(curthread);
}
int
_thr_send_sig(struct pthread *thread, int sig)
{