Signed-off-by: Andrew Gregory <[email protected]>
---
src/pacman/pacman.c | 1 +
src/pacman/sighandler.c | 44 +++++++++++++++++++++++++++-----------------
src/pacman/sighandler.h | 1 +
3 files changed, 29 insertions(+), 17 deletions(-)
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index e1f9039..6a0eb97 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -1091,6 +1091,7 @@ int main(int argc, char *argv[])
size_t i;
uid_t myuid = getuid();
+ install_segv_handler();
install_signal_handlers();
/* i18n init */
diff --git a/src/pacman/sighandler.c b/src/pacman/sighandler.c
index 76f7e9d..36f87d7 100644
--- a/src/pacman/sighandler.c
+++ b/src/pacman/sighandler.c
@@ -44,23 +44,16 @@ static ssize_t xwrite(int fd, const void *buf, size_t count)
*/
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";
+ if(signum == SIGINT) {
+ const char msg[] = "\nInterrupt signal received\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 {
+ 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;
}
/* SIGINT/SIGHUP: no committing transaction, release it now and then
exit pacman */
alpm_unlock(config->handle);
@@ -69,6 +62,23 @@ static void handler(int signum)
_Exit(128 + signum);
}
+static void segv_handler(int signum)
+{
+ const char msg[] = "\nerror: segmentation fault\n"
+ "Please submit a full bug report with --debug if
appropriate.\n";
+ xwrite(STDERR_FILENO, msg, sizeof(msg) - 1);
+ _Exit(signum);
+}
+
+void install_segv_handler(void)
+{
+ struct sigaction new_action;
+ new_action.sa_handler = segv_handler;
+ sigemptyset(&new_action.sa_mask);
+ new_action.sa_flags = SA_RESTART;
+ sigaction(SIGSEGV, &new_action, NULL);
+}
+
static void winch_handler(int signum)
{
(void)signum; /* suppress unused variable warnings */
@@ -87,7 +97,7 @@ void install_winch_handler(void)
void install_signal_handlers(void)
{
struct sigaction new_action;
- const int signals[] = { SIGHUP, SIGINT, SIGSEGV };
+ const int signals[] = { SIGHUP, SIGINT };
size_t i;
/* Set signal handlers */
diff --git a/src/pacman/sighandler.h b/src/pacman/sighandler.h
index bcf7d88..037d54f 100644
--- a/src/pacman/sighandler.h
+++ b/src/pacman/sighandler.h
@@ -20,6 +20,7 @@
#ifndef _PM_SIGHANDLER_H
#define _PM_SIGHANDLER_H
+void install_segv_handler(void);
void install_winch_handler(void);
void install_signal_handlers(void);
--
2.6.3
