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sysdeps/htl/raise.c
56 строк
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* raise.c - Generic raise implementation. Copyright (C) 2008-2026 Free Software Foundation, Inc. This file is part of the GNU Hurd. The GNU Hurd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. The GNU Hurd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <ldsodefs.h> #include <pthreadP.h> #include <signal.h> #include <unistd.h> #pragma weak __pthread_kill #pragma weak __pthread_self #pragma weak __pthread_threads #ifndef SHARED #pragma weak _dl_pthread_threads #endif int raise (int signo) { /* According to POSIX, if we implement threads (and we do), then "the effect of the raise() function shall be equivalent to calling: pthread_kill(pthread_self(), sig);" */ if (__pthread_kill != NULL && GL (dl_pthread_threads) != NULL) { int err; err = __pthread_kill (__pthread_self (), signo); if (err) { errno = err; return -1; } return 0; } else return __kill (__getpid (), signo); } libc_hidden_def (raise) weak_alias (raise, gsignal)