Date: Mon, 08 Aug 2022 21:34:27 +0000 From: bugzilla-noreply@freebsd.org To: threads@FreeBSD.org Subject: [Bug 237195] pthread_mutex_unlock crash as unlocked mutex destroyed by signaled thread Message-ID: <bug-237195-13406-bJSLBwiQPi@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-237195-13406@https.bugs.freebsd.org/bugzilla/> References: <bug-237195-13406@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237195 --- Comment #13 from longwitz@incore.de --- OK, thank you for clarification. One bug in my test program was by mistake,= an other for demonstration. With following patch the program works as I have intended: --- mypshared.c.orig 2022-08-06 21:13:03.438699000 +0200 +++ mypshared.c 2022-08-08 10:24:26.021928000 +0200 @@ -34,7 +34,7 @@ pthread_mutexattr_t attr, *attrp =3D NULL; int rc, first, mycounter; -int init_only_on_first =3D 0, always_destroy =3D 1; +int init_only_on_first =3D 0, always_destroy =3D 0; pthread_mutex_t magic, *magicp =3D &magic; @@ -120,7 +120,7 @@ void start_mutex() { - if ( init_only_on_first && first ) { + if( !init_only_on_first || first ) { rc =3D pthread_mutex_init((pthread_mutex_t *)®ionp->mutexp, attrp= ); printf("rc of pthread_mutex_init =3D %d\n", rc); if( rc ) exit( rc ); --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-237195-13406-bJSLBwiQPi>