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-rw-r--r--src/pacman/Makefile.am1
-rw-r--r--src/pacman/pacman.c60
-rw-r--r--src/pacman/sighandler.c92
-rw-r--r--src/pacman/sighandler.h27
4 files changed, 122 insertions, 58 deletions
diff --git a/src/pacman/Makefile.am b/src/pacman/Makefile.am
index b07c6706..14572cd4 100644
--- a/src/pacman/Makefile.am
+++ b/src/pacman/Makefile.am
@@ -40,6 +40,7 @@ pacman_SOURCES = \
pacman.h pacman.c \
query.c \
remove.c \
+ sighandler.h sighandler.c \
sync.c \
callback.h callback.c \
upgrade.c \
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index ba86dec0..0f115c25 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -30,7 +30,6 @@
#include <limits.h>
#include <getopt.h>
#include <string.h>
-#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/utsname.h> /* uname */
@@ -45,6 +44,7 @@
#include "pacman.h"
#include "util.h"
#include "conf.h"
+#include "sighandler.h"
/* list of targets specified on command line */
static alpm_list_t *pm_targets;
@@ -294,51 +294,6 @@ static void cleanup(int ret)
exit(ret);
}
-/** Write function that correctly handles EINTR.
- */
-static ssize_t xwrite(int fd, const void *buf, size_t count)
-{
- ssize_t ret;
- do {
- ret = write(fd, buf, count);
- } while(ret == -1 && errno == EINTR);
- return ret;
-}
-
-/** Catches thrown signals. Performs necessary cleanup to ensure database is
- * in a consistent state.
- * @param signum the thrown signal
- */
-static void handler(int signum)
-{
- if(signum == SIGSEGV) {
- const char msg[] = "\nerror: segmentation fault\n"
- "Please submit a full bug report with --debug if appropriate.\n";
- xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
- exit(signum);
- } else if(signum == SIGINT || signum == SIGHUP) {
- if(signum == SIGINT) {
- const char msg[] = "\nInterrupt signal received\n";
- xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
- } else {
- const char msg[] = "\nHangup signal received\n";
- xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
- }
- if(alpm_trans_interrupt(config->handle) == 0) {
- /* a transaction is being interrupted, don't exit pacman yet. */
- return;
- }
- } else if(signum == SIGWINCH) {
- columns_cache_reset();
- return;
- }
- /* SIGINT/SIGHUP: no committing transaction, release it now and then exit pacman */
- alpm_unlock(config->handle);
- /* output a newline to be sure we clear any line we may be on */
- xwrite(STDOUT_FILENO, "\n", 1);
- _Exit(128 + signum);
-}
-
static void invalid_opt(int used, const char *opt1, const char *opt2)
{
if(used) {
@@ -1134,20 +1089,9 @@ int main(int argc, char *argv[])
{
int ret = 0;
size_t i;
- struct sigaction new_action;
- const int signals[] = { SIGHUP, SIGINT, SIGSEGV, SIGWINCH };
uid_t myuid = getuid();
- /* Set signal handlers */
- /* Set up the structure to specify the new action. */
- new_action.sa_handler = handler;
- sigemptyset(&new_action.sa_mask);
- new_action.sa_flags = SA_RESTART;
-
- /* assign our handler to any signals we care about */
- for(i = 0; i < ARRAYSIZE(signals); i++) {
- sigaction(signals[i], &new_action, NULL);
- }
+ install_signal_handlers();
/* i18n init */
#if defined(ENABLE_NLS)
diff --git a/src/pacman/sighandler.c b/src/pacman/sighandler.c
new file mode 100644
index 00000000..d488ecec
--- /dev/null
+++ b/src/pacman/sighandler.c
@@ -0,0 +1,92 @@
+/*
+ * sighandler.c
+ *
+ * Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include <alpm.h>
+
+#include "conf.h"
+#include "sighandler.h"
+#include "util.h"
+
+/** Write function that correctly handles EINTR.
+ */
+static ssize_t xwrite(int fd, const void *buf, size_t count)
+{
+ ssize_t ret;
+ do {
+ ret = write(fd, buf, count);
+ } while(ret == -1 && errno == EINTR);
+ return ret;
+}
+
+/** Catches thrown signals. Performs necessary cleanup to ensure database is
+ * in a consistent state.
+ * @param signum the thrown signal
+ */
+static void handler(int signum)
+{
+ if(signum == SIGSEGV) {
+ const char msg[] = "\nerror: segmentation fault\n"
+ "Please submit a full bug report with --debug if appropriate.\n";
+ xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
+ exit(signum);
+ } else if(signum == SIGINT || signum == SIGHUP) {
+ if(signum == SIGINT) {
+ const char msg[] = "\nInterrupt signal received\n";
+ xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
+ } else {
+ const char msg[] = "\nHangup signal received\n";
+ xwrite(STDERR_FILENO, msg, ARRAYSIZE(msg) - 1);
+ }
+ if(alpm_trans_interrupt(config->handle) == 0) {
+ /* a transaction is being interrupted, don't exit pacman yet. */
+ return;
+ }
+ } else if(signum == SIGWINCH) {
+ columns_cache_reset();
+ return;
+ }
+ /* SIGINT/SIGHUP: no committing transaction, release it now and then exit pacman */
+ alpm_unlock(config->handle);
+ /* output a newline to be sure we clear any line we may be on */
+ xwrite(STDOUT_FILENO, "\n", 1);
+ _Exit(128 + signum);
+}
+
+void install_signal_handlers(void)
+{
+ struct sigaction new_action;
+ const int signals[] = { SIGHUP, SIGINT, SIGSEGV, SIGWINCH };
+ size_t i;
+ /* Set signal handlers */
+ /* Set up the structure to specify the new action. */
+ new_action.sa_handler = handler;
+ sigemptyset(&new_action.sa_mask);
+ new_action.sa_flags = SA_RESTART;
+
+ /* assign our handler to any signals we care about */
+ for(i = 0; i < ARRAYSIZE(signals); i++) {
+ sigaction(signals[i], &new_action, NULL);
+ }
+}
+
+/* vim: set noet: */
diff --git a/src/pacman/sighandler.h b/src/pacman/sighandler.h
new file mode 100644
index 00000000..f7abc9ee
--- /dev/null
+++ b/src/pacman/sighandler.h
@@ -0,0 +1,27 @@
+/*
+ * sighandler.h
+ *
+ * Copyright (c) 2015 Pacman Development Team <pacman-dev@archlinux.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _PM_SIGHANDLER_H
+#define _PM_SIGHANDLER_H
+
+void install_signal_handlers(void);
+
+#endif /* _PM_SIGHANDLER_H */
+
+/* vim: set noet: */
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