Implement signal handlersubmit/tizen_common/20151229.154718submit/tizen_common/20151229.144031submit/tizen_common/20151229.142028submit/tizen/20151223.015058submit/tizen/20151012.045837accepted/tizen/wearable/20151223.052505accepted/tizen/tv/20151223.052501accepted/tizen/mobile/20151223.052452

[Version] Release 0.2.8
[Profile] Common
[Issue Type] Add features

As ASM deprecated in 3.0, signal handler is  implemented in mm_session library

Change-Id: Ic08a0484c95966bb0696beb6e1b39c794d67d59c
Signed-off-by: inhyeok <i_bc.kim@samsung.com>

2 files changed, 99 insertions, 11 deletions

diff --git a/mm_session.c b/mm_session.c
index d481e3e..f37ff98 100644
--- a/mm_session.c
+++ b/mm_session.c
@@ -30,12 +30,20 @@
 #include <errno.h>
 #include <glib.h>
 #include <pthread.h>
+#include <signal.h>
 
 #define EXPORT_API __attribute__((__visibility__("default")))
 #define MAX_FILE_LENGTH 256
 
 int g_session_type = -1;
 
+struct sigaction session_int_old_action;
+struct sigaction session_abrt_old_action;
+struct sigaction session_segv_old_action;
+struct sigaction session_term_old_action;
+struct sigaction session_sys_old_action;
+struct sigaction session_xcpu_old_action;
+
 EXPORT_API
 int mm_session_init(int sessiontype)
 {
@@ -296,7 +304,7 @@ int _mm_session_util_delete_information(int app_pid)
 		mypid = (pid_t)app_pid;
 
 	////// DELETE SESSION TYPE /////////
-	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d",mypid);
+	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d", mypid);
 	if(-1 ==  unlink(filename))
 		return MM_ERROR_FILE_NOT_FOUND;
 	////// DELETE SESSION TYPE /////////
@@ -321,7 +329,7 @@ int _mm_session_util_write_type(int app_pid, int sessiontype)
 		mypid = (pid_t)app_pid;
 
 	////// WRITE SESSION TYPE /////////
-	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d",mypid);
+	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d", mypid);
 	fd = open(filename, O_WRONLY | O_CREAT, 0644 );
 	if(fd < 0) {
 		debug_error("open() failed with %d",errno);
@@ -358,7 +366,7 @@ int _mm_session_util_read_type(int app_pid, int *sessiontype)
 		mypid = (pid_t)app_pid;
 
 	////// READ SESSION TYPE /////////
-	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d",mypid);
+	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d", mypid);
 	fd = open(filename, O_RDONLY);
 	if(fd < 0) {
 		return MM_ERROR_INVALID_HANDLE;
@@ -396,7 +404,7 @@ int _mm_session_util_write_information(int app_pid, int session_type, int flags)
 	}
 
 	////// WRITE SESSION INFO /////////
-	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d",mypid);
+	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d", mypid);
 	fd = open(filename, O_WRONLY | O_CREAT, 0644 );
 	if(fd < 0) {
 		debug_error("open() failed with %d",errno);
@@ -437,7 +445,7 @@ int _mm_session_util_read_information(int app_pid, int *session_type, int *flags
 	}
 
 	////// READ SESSION INFO /////////
-	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d",mypid);
+	snprintf(filename, sizeof(filename)-1, "/tmp/mm_session_%d", mypid);
 	fd = open(filename, O_RDONLY);
 	if(fd < 0) {
 		return MM_ERROR_INVALID_HANDLE;
@@ -455,19 +463,99 @@ int _mm_session_util_read_information(int app_pid, int *session_type, int *flags
 	return MM_ERROR_NONE;
 }
 
-__attribute__ ((destructor))
-void __mmsession_finalize(void)
+void __session_signal_handler(int signo)
 {
-	debug_fenter();
+	char* filename = NULL;
+	char str_error[256];
 
-	_mm_session_util_delete_information(-1);
+	debug_warning("ENTER, sig.num(%d)", signo);
 
-	debug_fleave();
+	/* signal block -------------- */
+	sigset_t old_mask, all_mask;
+	sigfillset(&all_mask);
+	sigprocmask(SIG_BLOCK, &all_mask, &old_mask);
+
+	filename = g_strdup_printf("/tmp/mm_session_%d", getpid());
+	if (!remove(filename)) {
+		debug_log(" remove %s success\n", filename);
+	} else {
+		strerror_r (errno, str_error, sizeof (str_error));
+		debug_error(" remove %s failed with %s\n", filename, str_error);
+	}
+
+	g_free(filename);
+
+	sigprocmask(SIG_SETMASK, &old_mask, NULL);
+	/* signal unblock ------------ */
+
+	switch (signo) {
+	case SIGINT:
+		sigaction(SIGINT, &session_int_old_action, NULL);
+		raise(signo);
+		break;
+	case SIGABRT:
+		sigaction(SIGABRT, &session_abrt_old_action, NULL);
+		raise(signo);
+		break;
+	case SIGSEGV:
+		sigaction(SIGSEGV, &session_segv_old_action, NULL);
+		raise(signo);
+		break;
+	case SIGTERM:
+		sigaction(SIGTERM, &session_term_old_action, NULL);
+		raise(signo);
+		break;
+	case SIGSYS:
+		sigaction(SIGSYS, &session_sys_old_action, NULL);
+		raise(signo);
+		break;
+	case SIGXCPU:
+		sigaction(SIGXCPU, &session_xcpu_old_action, NULL);
+		raise(signo);
+		break;
+	default:
+		break;
+	}
+
+	debug_warning("LEAVE");
 }
 
 __attribute__ ((constructor))
 void __mmsession_initialize(void)
 {
+	struct sigaction session_action;
+	session_action.sa_handler = __session_signal_handler;
+	session_action.sa_flags = SA_NOCLDSTOP;
+
+	debug_fenter();
+
+	sigemptyset(&session_action.sa_mask);
 
+	sigaction(SIGINT, &session_action, &session_int_old_action);
+	sigaction(SIGABRT, &session_action, &session_abrt_old_action);
+	sigaction(SIGSEGV, &session_action, &session_segv_old_action);
+	sigaction(SIGTERM, &session_action, &session_term_old_action);
+	sigaction(SIGSYS, &session_action, &session_sys_old_action);
+	sigaction(SIGXCPU, &session_action, &session_xcpu_old_action);
+
+	debug_fleave();
+}
+
+__attribute__ ((destructor))
+void __mmsession_finalize(void)
+{
+
+	debug_fenter();
+
+	_mm_session_util_delete_information(-1);
+
+	sigaction(SIGINT, &session_int_old_action, NULL);
+	sigaction(SIGABRT, &session_abrt_old_action, NULL);
+	sigaction(SIGSEGV, &session_segv_old_action, NULL);
+	sigaction(SIGTERM, &session_term_old_action, NULL);
+	sigaction(SIGSYS, &session_sys_old_action, NULL);
+	sigaction(SIGXCPU, &session_xcpu_old_action, NULL);
+
+	debug_fleave();
 }
 
diff --git a/packaging/libmm-session.spec b/packaging/libmm-session.spec
index c9b5bb5..ae1dd78 100644
--- a/packaging/libmm-session.spec
+++ b/packaging/libmm-session.spec
@@ -1,6 +1,6 @@
 Name:       libmm-session
 Summary:    Multimedia Session Library
-Version:    0.2.7
+Version:    0.2.8
 Release:    0
 Group:      Multimedia/Libraries
 License:    Apache-2.0