build-sys: split internal basic/ library from shared/

basic/      can be used by everything
            cannot use anything outside of basic/

libsystemd/ can use basic/
            cannot use shared/

shared/     can use libsystemd/

1 files changed, 0 insertions, 268 deletions

diff --git a/src/shared/signal-util.c b/src/shared/signal-util.c
deleted file mode 100644
index 84cf42b285..0000000000
--- a/src/shared/signal-util.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2015 Lennart Poettering
-
-  systemd 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 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "util.h"
-#include "signal-util.h"
-
-int reset_all_signal_handlers(void) {
-        static const struct sigaction sa = {
-                .sa_handler = SIG_DFL,
-                .sa_flags = SA_RESTART,
-        };
-        int sig, r = 0;
-
-        for (sig = 1; sig < _NSIG; sig++) {
-
-                /* These two cannot be caught... */
-                if (sig == SIGKILL || sig == SIGSTOP)
-                        continue;
-
-                /* On Linux the first two RT signals are reserved by
-                 * glibc, and sigaction() will return EINVAL for them. */
-                if ((sigaction(sig, &sa, NULL) < 0))
-                        if (errno != EINVAL && r >= 0)
-                                r = -errno;
-        }
-
-        return r;
-}
-
-int reset_signal_mask(void) {
-        sigset_t ss;
-
-        if (sigemptyset(&ss) < 0)
-                return -errno;
-
-        if (sigprocmask(SIG_SETMASK, &ss, NULL) < 0)
-                return -errno;
-
-        return 0;
-}
-
-static int sigaction_many_ap(const struct sigaction *sa, int sig, va_list ap) {
-        int r = 0;
-
-        /* negative signal ends the list. 0 signal is skipped. */
-
-        if (sig < 0)
-                return 0;
-
-        if (sig > 0) {
-                if (sigaction(sig, sa, NULL) < 0)
-                        r = -errno;
-        }
-
-        while ((sig = va_arg(ap, int)) >= 0) {
-
-                if (sig == 0)
-                        continue;
-
-                if (sigaction(sig, sa, NULL) < 0) {
-                        if (r >= 0)
-                                r = -errno;
-                }
-        }
-
-        return r;
-}
-
-int sigaction_many(const struct sigaction *sa, ...) {
-        va_list ap;
-        int r;
-
-        va_start(ap, sa);
-        r = sigaction_many_ap(sa, 0, ap);
-        va_end(ap);
-
-        return r;
-}
-
-int ignore_signals(int sig, ...) {
-
-        static const struct sigaction sa = {
-                .sa_handler = SIG_IGN,
-                .sa_flags = SA_RESTART,
-        };
-
-        va_list ap;
-        int r;
-
-        va_start(ap, sig);
-        r = sigaction_many_ap(&sa, sig, ap);
-        va_end(ap);
-
-        return r;
-}
-
-int default_signals(int sig, ...) {
-
-        static const struct sigaction sa = {
-                .sa_handler = SIG_DFL,
-                .sa_flags = SA_RESTART,
-        };
-
-        va_list ap;
-        int r;
-
-        va_start(ap, sig);
-        r = sigaction_many_ap(&sa, sig, ap);
-        va_end(ap);
-
-        return r;
-}
-
-static int sigset_add_many_ap(sigset_t *ss, va_list ap) {
-        int sig, r = 0;
-
-        assert(ss);
-
-        while ((sig = va_arg(ap, int)) >= 0) {
-
-                if (sig == 0)
-                        continue;
-
-                if (sigaddset(ss, sig) < 0) {
-                        if (r >= 0)
-                                r = -errno;
-                }
-        }
-
-        return r;
-}
-
-int sigset_add_many(sigset_t *ss, ...) {
-        va_list ap;
-        int r;
-
-        va_start(ap, ss);
-        r = sigset_add_many_ap(ss, ap);
-        va_end(ap);
-
-        return r;
-}
-
-int sigprocmask_many(int how, ...) {
-        va_list ap;
-        sigset_t ss;
-        int r;
-
-        if (sigemptyset(&ss) < 0)
-                return -errno;
-
-        va_start(ap, how);
-        r = sigset_add_many_ap(&ss, ap);
-        va_end(ap);
-
-        if (r < 0)
-                return r;
-
-        if (sigprocmask(how, &ss, NULL) < 0)
-                return -errno;
-
-        return 0;
-}
-
-static const char *const __signal_table[] = {
-        [SIGHUP] = "HUP",
-        [SIGINT] = "INT",
-        [SIGQUIT] = "QUIT",
-        [SIGILL] = "ILL",
-        [SIGTRAP] = "TRAP",
-        [SIGABRT] = "ABRT",
-        [SIGBUS] = "BUS",
-        [SIGFPE] = "FPE",
-        [SIGKILL] = "KILL",
-        [SIGUSR1] = "USR1",
-        [SIGSEGV] = "SEGV",
-        [SIGUSR2] = "USR2",
-        [SIGPIPE] = "PIPE",
-        [SIGALRM] = "ALRM",
-        [SIGTERM] = "TERM",
-#ifdef SIGSTKFLT
-        [SIGSTKFLT] = "STKFLT",  /* Linux on SPARC doesn't know SIGSTKFLT */
-#endif
-        [SIGCHLD] = "CHLD",
-        [SIGCONT] = "CONT",
-        [SIGSTOP] = "STOP",
-        [SIGTSTP] = "TSTP",
-        [SIGTTIN] = "TTIN",
-        [SIGTTOU] = "TTOU",
-        [SIGURG] = "URG",
-        [SIGXCPU] = "XCPU",
-        [SIGXFSZ] = "XFSZ",
-        [SIGVTALRM] = "VTALRM",
-        [SIGPROF] = "PROF",
-        [SIGWINCH] = "WINCH",
-        [SIGIO] = "IO",
-        [SIGPWR] = "PWR",
-        [SIGSYS] = "SYS"
-};
-
-DEFINE_PRIVATE_STRING_TABLE_LOOKUP(__signal, int);
-
-const char *signal_to_string(int signo) {
-        static thread_local char buf[sizeof("RTMIN+")-1 + DECIMAL_STR_MAX(int) + 1];
-        const char *name;
-
-        name = __signal_to_string(signo);
-        if (name)
-                return name;
-
-        if (signo >= SIGRTMIN && signo <= SIGRTMAX)
-                snprintf(buf, sizeof(buf), "RTMIN+%d", signo - SIGRTMIN);
-        else
-                snprintf(buf, sizeof(buf), "%d", signo);
-
-        return buf;
-}
-
-int signal_from_string(const char *s) {
-        int signo;
-        int offset = 0;
-        unsigned u;
-
-        signo = __signal_from_string(s);
-        if (signo > 0)
-                return signo;
-
-        if (startswith(s, "RTMIN+")) {
-                s += 6;
-                offset = SIGRTMIN;
-        }
-        if (safe_atou(s, &u) >= 0) {
-                signo = (int) u + offset;
-                if (signo > 0 && signo < _NSIG)
-                        return signo;
-        }
-        return -EINVAL;
-}
-
-int signal_from_string_try_harder(const char *s) {
-        int signo;
-        assert(s);
-
-        signo = signal_from_string(s);
-        if (signo <= 0)
-                if (startswith(s, "SIG"))
-                        return signal_from_string(s+3);
-
-        return signo;
-}